EdTech Discovery
Hermes

Named after the Greek god of messengers, Hermes watches the education landscape: spotting new opportunities, pressure-testing the ventures we're building, and tracing every read back to the real-world signals behind it.

Updated Jun 24, 2026 · 10 ideas · 1848 signals
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Signals

The evidence library: the raw signals the pipeline is watching across the education ecosystem. Every idea is built from these.

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Reviews: Duolingo

[4/5] Hi

I don’t like how they basically try to force you into paying. But other than that, everything is great.

App Store review · no public link
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Reviews: Duolingo

[5/5] The best app for kids

Learn how to speak other languages compare for trips and it makes me feel like I can move anywhere and speak any language they speak if I don’t know the language I’m going to Duolingo. It’s not that hard. step-by-step. You can get it for free or you can get out knowing on Max or Duolingo Duolingo Max you can FaceTime the cartoons or characters that that’s helping you try Duolingo. It’s always gonna be there if you delete it you’re gonna download it again. And to keep you active. You have a streak level if you skip a day or a few days then your streak freezes if it frozen in for too long then you have to start over your whole streak that’s why you want to stay on Duolingo, download Duolingo.

App Store review · no public link
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Reviews: Duolingo

[5/5] Teaching me Japanese well!

This was the BEST app to use for learning my Japanese this app teached me Japanese very well I have been addicted to duolingo not only is it teaching me but it's addicting! It's not like school that teaches you in a boring way thank you duoLingo for helping

App Store review · no public link
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Reviews: Duolingo

[4/5] It’s ok

I think I’m doing rather well, but I feel like I don’t get a chance to speak with people. I heard someone behind me at an ice cream shop speaking French and they were speaking so fast. I had no idea what they were saying. Could not make out a single word and I have been doing this Since November and here it is June. One of the frustrating things on this app is when you try to speak the words, no matter how many times you say it right it will tell you it’s wrong and take the points away from you. I have lost Out on many perfect scores because of this. I knew the word or if I knew the word and misspelled it… It’s just frustrating.

App Store review · no public link
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Reviews: Duolingo

[3/5] Needs more time teaching grammar rules

I enjoy the speed at which you can learn in Duolingo starting from an absolute beginner level. What I’ve been saying during these last 5 years that I’ve been actively using the app, is that it needs to include more lessons explaining why grammar rules are implemented. For example, where German verbs fall, how they are conjugated, and why. I know you can select “explain my answer” now, but it needs to be integrated with lessons.

App Store review · no public link
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Reviews: Duolingo

[1/5] wtf

Okay bro i like this app but like it wont let me delete it. I tried to delete it and it says i have to put the time limit password n idk what it is. And theres ads for apps Not Duolingo. Lemme delete this app bro plz 😭😭😭🙏🙏🙏

App Store review · no public link
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Reviews: Duolingo

[1/5] Don’t do it

It started off as fun or educational. It is now all about money. it isn’t even a great way to learn a language. don’t buy it. almost a scam.

App Store review · no public link
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Reviews: Duolingo

[1/5] Demoralizing and Demotivating

Over a year in! Not a day missed! Making serious progress and continuously on the top of the Diamond league. Then came the app update. I didn’t know anything of the new vocabulary or grammar. I dropped like a rock. I had to delete my progress and start over and I still am having a hard time with it. Taking the foundation I have and getting a real teacher. This app sucks.

App Store review · no public link
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Reviews: Duolingo

[5/5] It’s amazing to learn French through this app

I’ve been enjoying myself here learning French through this app In fact, I love French by the way, n I’m fascinated using this app, Dualingo Thank you, Eva Reyes

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Reviews: Duolingo

[1/5] Graphics Concern

There are so many good things about Duolingo (language lessons, math, chess). The graphics of Oscar are suggestive in unnecessary ways. Nobody needs to see him wearing a towel. Recently, they portrayed Oscar bare-chested with a “continue” button to push in his lower abdomen. That’s sick or just weird. There is another graphic of Oscar riding a dolphin and holding a glass of wine. How does that teach people chess? If you are looking for a site for your children, please be cautious of these questionable graphics. If they would clean up these graphic concerns, I would give a much higher rating.

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Reviews: Duolingo

[5/5] Pretty goood

The emo girl is hot

App Store review · no public link
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Reviews: Duolingo

[5/5] Duolingo

Its fun and educational I learnt Japanese and Spanish

App Store review · no public link
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Reviews: Duolingo

[1/5] Get the hearts back

The new energy system is nuts. You should be rewarded for correct answers, instead you are loosing energy with each answer. And 25 isn’t even enough for two lectures in a row 🤯 How are you supposed to learn a new language if you can’t even repeat one lecture

App Store review · no public link
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Reviews: Duolingo

[2/5] no opportunities to learn

i used to like it until they changed it from lives, to energy. i barely get to learn anything at all this way. only one lesson per sitting? no one will be able to learn a language from this app if the energy system continues. and their premium version is so expensive, students like me can no way afford it.

App Store review · no public link
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Reviews: Duolingo

[4/5] Really good but little bit bad

It is soo good it really makes me learn and when I say somthing a bit bad it says it is good but Duolingo keeps giving me a small ad of super Duolingo with not leting me press any x to make it go away but it is reallyyyyy of a awesome app

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Reviews: Duolingo

[5/5] I KNOW FRENCH

J’aime Duolingo

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Reviews: Duolingo

[5/5] Success

I now speak Spanish!

App Store review · no public link
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Reviews: Duolingo

[5/5] Amazing app!

I’m learning Italian and I already feel myself being able to speak it easily!

App Store review · no public link
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Reviews: Duolingo

[5/5] Five stars

The way how it teaches stuff so fast

App Store review · no public link
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Reviews: Duolingo

[1/5] Not good if you don’t do the paid subscription

Sell-outs

App Store review · no public link
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Reviews: Duolingo

[5/5] W duo

It was soooooooooooooooooo good and easy and I’m lerning

App Store review · no public link
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Reviews: Duolingo

[1/5] Price gouging?

I’ve been a long time Duolingo user and it’s really disappointing that you can’t do more than one lesson a day without buying more energy. Unless you want to spend $80 a year for lessons, you’re better off using Google Translate to learn a language because it’s actually free and each lesson is a regurgitation of 4 different words too so you won’t be learning much unless you upgrade to super. And they offer it to you through an unskippable ad after every single lesson. Truly a waste of time.

App Store review · no public link
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Reviews: Duolingo

[1/5] Overloaded with pointless, annoying animations

A lesson that should take 3 minutes requires watching an additional 3 minutes of cartoon slop

App Store review · no public link
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Reviews: Duolingo

[3/5] Sad

I wish there was Cantonese for people who want to learn it I know there is mandarin but Cantonese would be nice to have

App Store review · no public link
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Reviews: Duolingo

[4/5] Great but a new person ⭐️💪🏼

This app is amazing it definitely helped me with a lot of my Spanish it helped me start a conversation and now I’m looking forward for more. I hope you read this cause I really want a new character. I want the new character to be a Latina woman who Naturally speaks Spanish and she only speaks Spanish to help with people’s reading skills in Spanish . Pls take your time I just wanted to let you know if this could happen!

App Store review · no public link
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Reviews: Duolingo

[4/5] Super fun but…

This game was so fun my kid loved it and it was helping her a lot but once she ran out of energy she could not play unless she watched an add or get 5% energy for free which we did both but then it told us to try a free week trial so we tryed to but it asked for a subscription and when we looked at the prices for it to have unlimited enargy it was over 100 dollars a year which is kind of hard to pay for. I really don’t know if there is another way to get it for free because she loved it so someone help us out or give a couple tips!🙃😁

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Reviews: Duolingo

[5/5] Best app ever

This app helps me so much I finally get to learn the language I’ve always wanted to learn Spanish

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Reviews: Duolingo

[5/5] Actually kinda fun!

This is a fun language learning game! Just make sure you do your lessons….

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Reviews: Duolingo

[5/5] my favorite soo one down fall

I LOVE this app, it’s great for learning math, music, chess and most importantly learning different languages. Definitely recommend. But one thing I don’t like is that you only have a certain amount of time to learn. Apparently it used to be like where you have 3 hearts and if you like lose all your hearts you have a chance to gain them back, by practicing. But now you have this battery that only goes up to 25% and you can lose energy FAST and once you lose energy you can’t play till HOURS later or the next day. So that’s the one down fall. But yeah great app love soooo much.

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Reviews: Duolingo

[5/5] Amazing App

This is a really amazing app to learn different languages to get more fluent with languages that you really want to learn so you can go around the world and Get to know how other people speak

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Reviews: Duolingo

[5/5] Journey

Helped me learn how to understand people

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Reviews: Duolingo

[5/5] Amazing

Using Duo feels like im just playing a game but Im genuinely learning so much while having fun!

App Store review · no public link
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Reviews: Duolingo

[5/5] Fun learning

If my college Japanese class in 1990 had been this fun, I would be a native speaker by now.

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Reviews: Duolingo

[5/5] Great experience

Very good app and I learned a lot of Spanish and I can hold a full conversation I highly recommend trying this app if you wanna learn languages and other stuff

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Reviews: Duolingo

[4/5] забрали опыт

приложение нормальное но много рекламы и у меня забрали тройной опыт и опыт на 30 минут за задание спасибо

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Reviews: Duolingo

[5/5] JUST AMAZING

Everything is great, easy to learn fast and very leveled out for the knowledge you already have.

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Reviews: Duolingo

[5/5] Its fun

It’s literally so fun to be honest I love that you can make Duolingo a widget and everytime I forget he gives me a notification and makes mad faces and I always have to do my special round

App Store review · no public link
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Reviews: Duolingo

[5/5] I love to speak Spanish learning thanks Duolingo

As a nine-year-old I love Duolingo I like to speak Spanish and I’m learning more by Duolingo. This also helps me speak in different languages and after I finish my whole lesson, I get my streak I will do math cause I’m pretty bad at math, but I’m kinda good anyways. OK thank you I love you so much. I should’ve tried this app as soon as I heard it.

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Reviews: Duolingo

[5/5] Very very good one pound of learning

This will be very helpful when school comes

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Reviews: Quizlet

[5/5] Great studying tool!!

I have utilized it for multiple exams in my career

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Reviews: Google Classroom

[5/5] Wow

I’m a 8th grade middle schooler. Good and easy to use Google Classroom is helpful and easy to use even though I hate work that the teachers assign me it’s not this apps fault but this app is useful and I believe it deserves a 5 stars sometimes when I submit a assignment it doesn’t submit for some reason I don’t know my teacher says she doesn’t see but still 5 stars. Good job Google Classroom

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Reviews: Google Classroom

[2/5] Uploads not working correctly

When I try to upload something on google classroom for work sometimes the file I upload sometimes just don’t even open or load at all and this happens very frequently

App Store review · no public link
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Reviews: Google Classroom

[2/5] snezhnaya

wheres the trailer🤨🤨🤨🤨🤨🤨 (decent app though somewhat glitchy)

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Reviews: Google Classroom

[1/5] Glorp

WHERE IS MY SNEZHNAYA PV DONT PLAY WITH ME RIGHT NOW

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Reviews: Khan Academy

[5/5] Khan academy

It’s an awesome educational app. It has very descriptive videos and it’s free no ads no pop-ups for “ get your subscription”. If you’re looking for an educational app, I recommend this.

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Reviews: Duolingo

[5/5] Thanks

Thank for teaching me how to learn chest

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Reviews: Duolingo

[5/5] Sign language?

I think this is a really useful app for learning languages but I also think a lot more people would benefit and use it if sign language was added.

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Reviews: Duolingo

[5/5] Muy buena app

Perfecto per me

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Reviews: Duolingo

[5/5] 🤩🤩🤩🤩🤩🤩🤩🤩🤩🤩🤩🤩

This app really helps me with learning

App Store review · no public link
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Reviews: Duolingo

[3/5] 😬

duolingo is good, but I have realized since I’m learning German that they don’t say the same things that they teach you like they’ll teach you the basic stuff but they’ll say a different in a different country

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