# Allergy Safe Scanner vs BMI Tracker

The clearest difference is in-app purchases: Allergy Safe Scanner at none against BMI Tracker's 1. BMI Tracker's advantage is update cadence (every 2 days vs every 15 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. BMI Tracker sells 1 one-off in-app purchase. Allergy Safe Scanner asks for nothing beyond the download.

Allergy Safe Scanner ships an update every 15 months, BMI Tracker every 2 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Allergy Safe Scanner | BMI Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/allergy-safe-scanner/id6743175068/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 32 MB | 7 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ashish Koirala](https://appshunter.io/developer/1792363222) | [Matteo Pezzulla](https://appshunter.io/developer/1883078182) |

## What reviewers say

### Allergy Safe Scanner

[App page](https://appshunter.io/ios/app/allergy-safe-scanner/id6743175068)

Easily scan product barcodes to instantly identify allergen information. Customize your scan to highlight specific allergens like gluten, dairy, or nuts, and review full ingredient lists. Save your scan history for quick reference.

**Highlights:** Scan product barcodes with camera, Select custom allergens to track, View ingredient text and declared allergens, Filter scan history by allergen alerts, Clear result indicators (Contains, May contain, Not detected)

**Features:** macOS Compatibility

**In-app purchases:** none


### BMI Tracker

[App page](https://appshunter.io/ios/app/bmi-tracker-weight-journal/id6760191699)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BMI Tracker Pro Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is Allergy Safe Scanner free?

Allergy Safe Scanner is free to download, with no in-app purchases.

### Is BMI Tracker free?

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

### Do Allergy Safe Scanner or BMI Tracker have ads?

Neither Allergy Safe Scanner nor BMI Tracker shows ads.

### Which is updated more often, Allergy Safe Scanner or BMI Tracker?

Allergy Safe Scanner ships an update every 15 months, and BMI Tracker every 2 days. Most recently, Allergy Safe Scanner was updated on October 21, 2026 and BMI Tracker 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.*