# KDIGO vs Scrawl AI

The clearest difference is ads: KDIGO at none against Scrawl AI's shown. KDIGO also leads on iOS requirement (15.1 vs 17.0). Scrawl AI's advantage is update cadence (every 3 days vs every 10 days). On price, in-app purchases and device support there is nothing between them.

Both are free to download. KDIGO sells 2 in-app purchases, starting at $5.99 per 7 days and Scrawl AI sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

KDIGO ships an update every 10 days, Scrawl AI every 3 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | KDIGO | Scrawl AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/scrawl-ai-ace-hw-pass-class/id6760667282/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 38 MB | 32 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Eduardo Alexandru Apostu](https://appshunter.io/developer/1871906706) | [Guohan Zhang](https://appshunter.io/developer/1885612062) |

## What reviewers say

### KDIGO

[App page](https://appshunter.io/ios/app/kdigo-asistente-de-chat/id6758273227)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KDIGO Premium Semanal | $5.99 | per 7 days |
| KDIGO Premium Mensual | $22.99 | per month |


### Scrawl AI

[App page](https://appshunter.io/ios/app/scrawl-ai-ace-hw-pass-class/id6760667282)

This app uses AI to solve homework problems and render the solutions in realistic, customizable handwriting. It supports a wide range of STEM subjects and allows users to create their own handwriting fonts. Choose from different AI tiers for varying levels of accuracy and speed.

**Highlights:** AI-powered homework solving, Customizable handwriting fonts, STEM subject support, Multiple AI tiers (Fast/Pro), Background and layout customization, LMS integration, Deadline tracking

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Annual | $69.99 | per year |
| One-Time Solve | $2.99 | one-time |


## Frequently asked questions

### Is KDIGO free?

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

### Is Scrawl AI free?

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

### Do KDIGO or Scrawl AI have ads?

Scrawl AI shows ads; KDIGO does not.

### Which is updated more often, KDIGO or Scrawl AI?

KDIGO ships an update every 10 days, and Scrawl AI every 3 days. Most recently, KDIGO was updated on October 25, 2026 and Scrawl AI on October 31, 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.*