# ONSI ALS App vs Calometer

The clearest difference is in-app purchases: ONSI ALS App at none against Calometer's 4. ONSI ALS App also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Calometer sells 4 in-app purchases, starting at $9.99 per month. ONSI ALS App asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 20, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | ONSI ALS App | Calometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calometer-calorie-scanner/id6714451110/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 22 MB | 56 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [University of Kentucky](https://appshunter.io/developer/328074751) | [Lukas Visinskis](https://appshunter.io/developer/1639409744) |

## What reviewers say

### ONSI ALS App

[App page](https://appshunter.io/ios/app/onsi-als-app/id6470493744)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calometer

[App page](https://appshunter.io/ios/app/calometer-calorie-scanner/id6714451110)

Track calories, organize recipes, and access a vast food database to achieve your fitness and nutrition goals. Get personalized feedback and accountability from fitness professionals. Integrates with HealthKit for step data.

**Highlights:** Calorie tracking, Recipe organization, 4M+ verified food database, Barcode scanning, Personalized feedback from fitness professionals, HealthKit integration

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calometer pro monthly | $9.99 | per month |
| Calometer pro yearly offer | $19.99 | per year |
| Calometer Pro yearly | $49.99 | per year |
| calometer pro yearly | $49.99 | per year |


## Frequently asked questions

### Is ONSI ALS App free?

ONSI ALS App is free to download, with no in-app purchases.

### Is Calometer free?

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

### Do ONSI ALS App or Calometer have ads?

Neither ONSI ALS App nor Calometer shows ads.

### Which is updated more often, ONSI ALS App or Calometer?

ONSI ALS App ships an update every 3 weeks, and Calometer every 3 weeks. Most recently, ONSI ALS App was updated on October 20, 2026 and Calometer on September 26, 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.*