# HappyKey vs Commtech USA

The clearest difference is review sentiment: Commtech USA at 100% against HappyKey's 50%. Commtech USA also leads on rating (5.0 vs 3.7) and device support (5 vs 2). HappyKey's advantage is update cadence (every 8 months vs every 21 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.

Commtech USA holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 9 and 4 respectively. Written reviews point the same way: 50% of HappyKey's written reviews are positive against 100% of Commtech USA's.

HappyKey ships an update every 8 months, Commtech USA every 21 months. The most recent releases landed on September 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | HappyKey | Commtech USA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (9 ratings)](https://appshunter.io/ios/app/happykey/id965705471/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/commtech-usa/id1513755325/reviews)** |
| Number of ratings | **9** | 4 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 21 months |
| Monetization | Free | Free |
| Size | 26 MB | 4 MB |
| Requires iOS | 17.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Baratti](https://appshunter.io/developer/1264988386) | [Commtech USA LLC](https://appshunter.io/developer/1513755324) |

## 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


### Commtech USA

[App page](https://appshunter.io/ios/app/commtech-usa/id1513755325)

Access tech news, reviews, tips, and tutorials on the go. Features audio/video training, a podcast, and direct contact with support staff. Receive instant alerts for new content and announcements.

**Highlights:** Latest tech news and reviews, How-to guides and tutorials, Audio and video training samples, Access to Support Staff Podcast, Direct contact with support staff, Instant alerts for new content

**In-app purchases:** none


## Frequently asked questions

### Is HappyKey free?

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

### Is Commtech USA free?

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

### Which has better reviews, HappyKey or Commtech USA?

Commtech USA is rated higher. HappyKey averages 3.7 out of 5 from 9 ratings, while Commtech USA averages 5.0 from 4 ratings.

### Do HappyKey or Commtech USA have ads?

Neither HappyKey nor Commtech USA shows ads.

### Which is updated more often, HappyKey or Commtech USA?

HappyKey ships an update every 8 months, and Commtech USA every 21 months. Most recently, HappyKey was updated on September 24, 2026 and Commtech USA on October 7, 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.*