# Fodmapper vs Celiscan

The clearest difference is in-app purchases: Fodmapper at none against Celiscan's 2. Fodmapper also leads on ratings volume (6 vs 2). Celiscan's advantage is update cadence (every 6 days vs every 6 weeks) and iOS requirement (17.0 vs 26.0). On price, rating, ads and device support there is nothing between them.

Both are free to download. Celiscan sells 2 in-app purchases, starting at $9.99 per month. Fodmapper asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Fodmapper against 5.0 for Celiscan. Both are backed by a comparable volume of ratings — 6 and 2 respectively.

Fodmapper ships an update every 6 weeks, Celiscan every 6 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | Fodmapper | Celiscan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/fodmapper/id6747147405/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/celiscan-gluten-free-scanner/id6783390037/reviews) |
| Number of ratings | **6** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Monetization | **Free** | Subscription |
| Size | 6 MB | 16 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Pala Technologies LLC](https://appshunter.io/developer/1798626190) | [Roop Labs, LLC](https://appshunter.io/developer/1547326109) |

## What reviewers say

### Fodmapper

[App page](https://appshunter.io/ios/app/fodmapper/id6747147405)

This dietary companion helps you navigate specific eating plans like low-FODMAP, Keto, and Whole30. Easily check ingredients via text or photo and get personalized meal prep and dining advice. It offers a stress-free way to manage your diet without accounts, ads, or subscriptions.

**Highlights:** Dietary plan support (Low-FODMAP, Keto, Whole30, etc.), Ingredient checking via text, camera, or photo, Personalized meal prep and dining assistance, On-device data storage, No accounts, ads, or subscriptions

**Features:** macOS Compatibility

**In-app purchases:** none


### Celiscan

[App page](https://appshunter.io/ios/app/celiscan-gluten-free-scanner/id6783390037)

Scan barcodes or ingredient labels to identify gluten content in food products. Get detailed reasons for results, including warnings and potential cross-contamination risks. Save scanned items to your digital pantry for easy reference.

**Highlights:** Barcode scanning for product lookup, Ingredient label analysis, Detailed result explanations, Gluten-free, May Contain, Contains Gluten, Not Sure Yet classifications, Pantry for saving scanned products, Checks for oats and 'may contain' warnings

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Celiscan Pro | $9.99 | per month |
| Celiscan Pro | $39.99 | per year |


## Frequently asked questions

### Is Fodmapper free?

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

### Is Celiscan free?

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

### Which has better reviews, Fodmapper or Celiscan?

Fodmapper and Celiscan are both rated 5.0 out of 5 on the App Store, from 6 and 2 ratings respectively.

### Do Fodmapper or Celiscan have ads?

Neither Fodmapper nor Celiscan shows ads.

### Which is updated more often, Fodmapper or Celiscan?

Fodmapper ships an update every 6 weeks, and Celiscan every 6 days. Most recently, Fodmapper was updated on October 30, 2026 and Celiscan on October 30, 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.*