# HelloAndBye vs Math keyboard

The clearest difference is price: HelloAndBye at Free against Math keyboard's $0.99. Math keyboard's advantage is update cadence (monthly vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

HelloAndBye is free to download; Math keyboard costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HelloAndBye ships an update every 3 months, Math keyboard monthly. The most recent releases landed on September 9, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | HelloAndBye | Math keyboard |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/math-keyboard-calcuboard/id6744564198/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Paid |
| Size | 5 MB | 3 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mauro Bianchelli](https://appshunter.io/developer/1333240906) | [Nikolai Rodionov](https://appshunter.io/developer/1123457016) |

## What reviewers say

### HelloAndBye

[App page](https://appshunter.io/ios/app/helloandbye/id6743363518)

**Features:** macOS Compatibility

**In-app purchases:** none


### Math keyboard

[App page](https://appshunter.io/ios/app/math-keyboard-calcuboard/id6744564198)

Perform calculations directly from your keyboard without switching apps. This smart helper allows quick math while chatting, taking notes, or entering data. It features calculator memory to save and reuse values, enhancing productivity.

**Highlights:** Built-in calculator keyboard, Calculator memory function, No app switching required, Supports basic and advanced operations, Minimalist design for productivity

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HelloAndBye free?

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

### Is Math keyboard free?

Math keyboard costs $0.99, with no in-app purchases.

### Do HelloAndBye or Math keyboard have ads?

Neither HelloAndBye nor Math keyboard shows ads.

### Which is updated more often, HelloAndBye or Math keyboard?

HelloAndBye ships an update every 3 months, and Math keyboard monthly. Most recently, HelloAndBye was updated on September 9, 2026 and Math keyboard 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.*