# OneCal Calorie Tracker vs Celiac Scan

The clearest difference is iOS requirement: OneCal Calorie Tracker at 18.6 against Celiac Scan's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

OneCal Calorie Tracker ships an update every 9 days, Celiac Scan every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OneCal Calorie Tracker | Celiac Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/onecal-calorie-tracker/id6753773780/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Every 5 days** |
| Size | 5 MB | 27 MB |
| Requires iOS | **18.6** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Marcus Spitzmiller](https://appshunter.io/developer/1844961002) | [Mobile Inspired Solutions LLC](https://appshunter.io/developer/1301414701) |

## What reviewers say

### OneCal Calorie Tracker

[App page](https://appshunter.io/ios/app/onecal-calorie-tracker/id6753773780)

**Features:** macOS Compatibility

**In-app purchases:** none


### Celiac Scan

[App page](https://appshunter.io/ios/app/celiac-scan/id6760714240)

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

**In-app purchases:** none


## Frequently asked questions

### Is OneCal Calorie Tracker free?

OneCal Calorie Tracker is free to download, with no in-app purchases.

### Is Celiac Scan free?

Celiac Scan is free to download, with no in-app purchases.

### Do OneCal Calorie Tracker or Celiac Scan have ads?

Both OneCal Calorie Tracker and Celiac Scan show ads.

### Which is updated more often, OneCal Calorie Tracker or Celiac Scan?

OneCal Calorie Tracker ships an update every 9 days, and Celiac Scan every 5 days. Most recently, OneCal Calorie Tracker was updated on October 24, 2026 and Celiac Scan 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.*