# HappyKey vs EdTechTerms

The clearest difference is review sentiment: EdTechTerms at 100% against HappyKey's 50%. EdTechTerms also leads on rating (5.0 vs 3.7) and update cadence (every 4 days vs every 8 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

EdTechTerms holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 9 and 7 respectively. Written reviews point the same way: 50% of HappyKey's written reviews are positive against 100% of EdTechTerms's.

HappyKey ships an update every 8 months, EdTechTerms every 4 days. The most recent releases landed on September 24, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | HappyKey | EdTechTerms |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (9 ratings)](https://appshunter.io/ios/app/happykey/id965705471/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/edtechterms/id1605962612/reviews)** |
| Number of ratings | **9** | 7 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 26 MB | 31 MB |
| Requires iOS | 17.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Baratti](https://appshunter.io/developer/1264988386) | [ESP Solutions Group, Inc.](https://appshunter.io/developer/1605962614) |

## What reviewers say

### HappyKey

[App page](https://appshunter.io/ios/app/happykey/id965705471)

This app offers a specialized keyboard for easily inputting a wide range of mathematical symbols. It includes numbers, operators, pi, infinity, and more, simplifying the process of writing math notation on your device.

**Highlights:** Specialized math symbol keyboard, Includes numbers and operators, Supports pi and infinity symbols, Simplifies math notation input, Customizable keyboard layout

**In-app purchases:** none


### EdTechTerms

[App page](https://appshunter.io/ios/app/edtechterms/id1605962612)

This app provides quick definitions and references for technology terms, especially those used in education. It helps users understand new or unclear terms during presentations, writing, or discussions. Access thousands of tech terms, build personal lists, and filter by category.

**Highlights:** Quick definitions for tech terms, References for education technology, Thousands of tech terms, Personalized term lists, Daily term highlights, Category filtering

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HappyKey free?

HappyKey is free to download, with no in-app purchases.

### Is EdTechTerms free?

EdTechTerms is free to download, with no in-app purchases.

### Which has better reviews, HappyKey or EdTechTerms?

EdTechTerms is rated higher. HappyKey averages 3.7 out of 5 from 9 ratings, while EdTechTerms averages 5.0 from 7 ratings.

### Do HappyKey or EdTechTerms have ads?

Neither HappyKey nor EdTechTerms shows ads.

### Which is updated more often, HappyKey or EdTechTerms?

HappyKey ships an update every 8 months, and EdTechTerms every 4 days. Most recently, HappyKey was updated on September 24, 2026 and EdTechTerms on October 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*