# KidDoo! vs CalScannn

The clearest difference is in-app purchases: KidDoo! at none against CalScannn's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CalScannn sells 4 in-app purchases, starting at $0.99 per 7 days. KidDoo! asks for nothing beyond the download.

KidDoo! ships an update every 4 days, CalScannn every 3 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | KidDoo! | CalScannn |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 66 MB | 4 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Loic Zimmermann](https://appshunter.io/developer/1751293593) | [慧辰 吴](https://appshunter.io/developer/1764726378) |

## What reviewers say

### KidDoo!

[App page](https://appshunter.io/ios/app/kiddoo/id6505066728)

**Features:** macOS Compatibility

**In-app purchases:** none


### CalScannn

[App page](https://appshunter.io/ios/app/calscannn/id6670170550)

Effortlessly track your daily food intake by simply uploading a photo of your meal. This app automatically identifies food items, calculates calorie content, and monitors macronutrients for a complete nutritional profile. Maintain a daily log of your meals to make informed nutritional decisions.

**Highlights:** Photo-based food recognition, Automatic calorie calculation, Comprehensive macro tracking, Daily food log, Nutrition tracking

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscribtion | $0.99 | per 7 days |
| Monthly Subscribtion | $1.99 | per month |
| Yearly Subscribtion | $5.99 | per year |
| purchase 1 month | $0.99 | one-time |


## Frequently asked questions

### Is KidDoo! free?

KidDoo! is free to download, with no in-app purchases.

### Is CalScannn free?

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

### Do KidDoo! or CalScannn have ads?

Neither KidDoo! nor CalScannn shows ads.

### Which is updated more often, KidDoo! or CalScannn?

KidDoo! ships an update every 4 days, and CalScannn every 3 days. Most recently, KidDoo! was updated on October 27, 2026 and CalScannn on October 24, 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.*