# Math King vs Write Letters

The clearest difference is update cadence: Math King at every 2 months against Write Letters's every 9 months. Write Letters's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Math King sells 1 one-off in-app purchase and Write Letters sells 1 in-app purchase, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Math King ships an update every 2 months, Write Letters every 9 months. The most recent releases landed on April 26, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Math King | Write Letters |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (28 ratings)](https://appshunter.io/ios/app/write-letters-tracing-abc/id6447449194/reviews)** |
| Number of ratings | — | **28** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | — | Free with in-app purchases |
| Size | 69 MB | 28 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sadgun Infotech](https://appshunter.io/developer/1563703272) | [KIDA Apps L.L.C.](https://appshunter.io/developer/1825209452) |

## What reviewers say

### Math King

[App page](https://appshunter.io/ios/app/math-king/id1617597133)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Write Letters

[App page](https://appshunter.io/ios/app/write-letters-tracing-abc/id6447449194)

This app helps children learn to write uppercase letters through interactive tracing exercises. It offers a fun and engaging way for kids to develop foundational writing skills with colorful graphics and an intuitive interface. Ideal for parents and educators supporting early literacy.

**Highlights:** Interactive letter tracing, Uppercase alphabet practice, Colorful graphics, Intuitive interface, Progressive difficulty levels, Supports early literacy development

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Write Letters Premium | $2.99 | per 7 days |


## Frequently asked questions

### Is Math King free?

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

### Is Write Letters free?

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

### Do Math King or Write Letters have ads?

Neither Math King nor Write Letters shows ads.

### Which is updated more often, Math King or Write Letters?

Math King ships an update every 2 months, and Write Letters every 9 months. Most recently, Math King was updated on April 26, 2026 and Write Letters on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*