# HappyKey vs Body Language Reader

The clearest difference is in-app purchases: HappyKey at none against Body Language Reader's 2. Body Language Reader's advantage is update cadence (every 6 days vs every 8 months) and iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Body Language Reader sells 2 in-app purchases, starting at $6.99 per month. HappyKey asks for nothing beyond the download.

HappyKey ships an update every 8 months, Body Language Reader every 6 days. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | HappyKey | Body Language Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (9 ratings)](https://appshunter.io/ios/app/happykey/id965705471/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 26 MB | 50 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Alexander Baratti](https://appshunter.io/developer/1264988386) | [ANIL BURCU](https://appshunter.io/developer/1820835368) |

## 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


### Body Language Reader

[App page](https://appshunter.io/ios/app/body-language-reader-bodica/id6756843038)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bodica Pro | $6.99 | per month |
| Bodica Pro | $44.99 | per year |


## Frequently asked questions

### Is HappyKey free?

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

### Is Body Language Reader free?

Body Language Reader is free to download, with in-app purchases available.

### Do HappyKey or Body Language Reader have ads?

Neither HappyKey nor Body Language Reader shows ads.

### Which is updated more often, HappyKey or Body Language Reader?

HappyKey ships an update every 8 months, and Body Language Reader every 6 days. Most recently, HappyKey was updated on October 24, 2026 and Body Language Reader on October 20, 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.*