# kong calculator vs TextMath

The clearest difference is in-app purchases: kong calculator at none against TextMath's 1. TextMath's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. TextMath sells 1 one-off in-app purchase. kong calculator asks for nothing beyond the download.

kong calculator ships an update every 4 days, TextMath every 5 days. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | kong calculator | TextMath |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 5 days |
| Size | 20 MB | 41 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Changyeol Seo](https://appshunter.io/developer/551904752) | [MHOST LTD](https://appshunter.io/developer/1805479638) |

## What reviewers say

### kong calculator

[App page](https://appshunter.io/ios/app/kong-calculator/id1594969449)

**Features:** macOS Compatibility

**In-app purchases:** none


### TextMath

[App page](https://appshunter.io/ios/app/textmath/id6753336547)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Pages | $1.99 | one-time |


## Frequently asked questions

### Is kong calculator free?

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

### Is TextMath free?

TextMath is free to download, with in-app purchases available.

### Do kong calculator or TextMath have ads?

kong calculator shows ads; TextMath does not.

### Which is updated more often, kong calculator or TextMath?

kong calculator ships an update every 4 days, and TextMath every 5 days. Most recently, kong calculator was updated on October 27, 2026 and TextMath on October 30, 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.*