# TextMath vs Chain Calculator

The clearest difference is in-app purchases: Chain Calculator at none against TextMath's 1. Chain Calculator also leads on iOS requirement (13.0 vs 15.1). TextMath's advantage is update cadence (every 5 days vs monthly). On price, ads and device support there is nothing between them.

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

TextMath ships an update every 5 days, Chain Calculator monthly. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | TextMath | Chain Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Monthly |
| Size | 41 MB | 18 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MHOST LTD](https://appshunter.io/developer/1805479638) | [seongkuk park](https://appshunter.io/developer/1895828986) |

## What reviewers say

### 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 |


### Chain Calculator

[App page](https://appshunter.io/ios/app/chain-calculator/id6764549705)

**In-app purchases:** none


## Frequently asked questions

### Is TextMath free?

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

### Is Chain Calculator free?

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

### Do TextMath or Chain Calculator have ads?

Neither TextMath nor Chain Calculator shows ads.

### Which is updated more often, TextMath or Chain Calculator?

TextMath ships an update every 5 days, and Chain Calculator monthly. Most recently, TextMath was updated on October 13, 2026 and Chain Calculator on October 6, 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.*