# Trace Letters Level 4 Number vs Write Numbers

The clearest difference is iOS requirement: Trace Letters Level 4 Number at 6.0 against Write Numbers's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Trace Letters Level 4 Number sells 2 one-off in-app purchases and Write Numbers sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Trace Letters Level 4 Number ships an update every 16 months, Write Numbers every 9 months. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Trace Letters Level 4 Number | Write Numbers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (29 ratings)](https://appshunter.io/ios/app/write-numbers-tracing-123-plus-3/id6447486549/reviews)** |
| Number of ratings | — | **29** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 9 months** |
| Monetization | — | Free with in-app purchases |
| Size | 23 MB | 82 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [宁 王](https://appshunter.io/developer/431513082) | [KIDA Apps L.L.C.](https://appshunter.io/developer/1825209452) |

## What reviewers say

### Trace Letters Level 4 Number

[App page](https://appshunter.io/ios/app/trace-letters-level-4-number/id1163052492)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ADs | $0.99 | one-time |
| Unlock All Pens | $0.99 | one-time |


### Write Numbers

[App page](https://appshunter.io/ios/app/write-numbers-tracing-123-plus-3/id6447486549)

This app helps children learn to write numbers 0-50 through interactive tracing and colorful animations. It gamifies the learning process with a star reward system to encourage skill development and build confidence.

**Highlights:** Learn numbers 0-50, Interactive tracing guides, Colorful animations, Star reward system, Step-by-step number formation, Builds writing confidence

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Numbers : Weekly | $1.99 | per 7 days |
| Full Version | $19.99 | one-time |


## Frequently asked questions

### Is Trace Letters Level 4 Number free?

Trace Letters Level 4 Number is free to download, with in-app purchases available.

### Is Write Numbers free?

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

### Do Trace Letters Level 4 Number or Write Numbers have ads?

Neither Trace Letters Level 4 Number nor Write Numbers shows ads.

### Which is updated more often, Trace Letters Level 4 Number or Write Numbers?

Trace Letters Level 4 Number ships an update every 16 months, and Write Numbers every 9 months. Most recently, Trace Letters Level 4 Number was updated on October 12, 2026 and Write Numbers on October 25, 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.*