# ABCs Writer vs KCSI Mobile App

The clearest difference is update cadence: KCSI Mobile App at every 3 months against ABCs Writer's every 22 months. KCSI Mobile App also leads on iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ABCs Writer ships an update every 22 months, KCSI Mobile App every 3 months. The most recent releases landed on October 23, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ABCs Writer | KCSI Mobile App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/abcs-writer-letter-tracing/id490860902/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 6 MB | 69 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Dawson Toth](https://appshunter.io/developer/439948217) | [Livro Systems Incorporated](https://appshunter.io/developer/1896544025) |

## What reviewers say

### ABCs Writer

[App page](https://appshunter.io/ios/app/abcs-writer-letter-tracing/id490860902)

This app allows users to draw freely or trace letters of the alphabet. Saved artwork can be kept for later viewing. It's designed for creative expression and early letter learning.

**Highlights:** Finger drawing, Alphabet tracing, Save artwork, Freehand drawing, Creative expression

**Features:** macOS Compatibility

**In-app purchases:** none


### KCSI Mobile App

[App page](https://appshunter.io/ios/app/kcsi-mobile-app/id6747713603)

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

**In-app purchases:** none


## Frequently asked questions

### Is ABCs Writer free?

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

### Is KCSI Mobile App free?

KCSI Mobile App is free to download, with no in-app purchases.

### Do ABCs Writer or KCSI Mobile App have ads?

Neither ABCs Writer nor KCSI Mobile App shows ads.

### Which is updated more often, ABCs Writer or KCSI Mobile App?

ABCs Writer ships an update every 22 months, and KCSI Mobile App every 3 months. Most recently, ABCs Writer was updated on October 23, 2026 and KCSI Mobile App on October 28, 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.*