# OpenNutriTracker vs CalTrak

The clearest difference is rating: CalTrak at 4.8 against OpenNutriTracker's 4.3. CalTrak also leads on review sentiment (100% vs 68%) and update cadence (every 3 days vs monthly). OpenNutriTracker's advantage is in-app purchases (none vs 3) and device support (3 vs 1). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. CalTrak sells 3 one-off in-app purchases. OpenNutriTracker asks for nothing beyond the download.

CalTrak holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 15 and 44 respectively. Written reviews point the same way: 68% of OpenNutriTracker's written reviews are positive against 100% of CalTrak's.

OpenNutriTracker ships an update monthly, CalTrak every 3 days. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | OpenNutriTracker | CalTrak |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (15 ratings)](https://appshunter.io/ios/app/opennutritracker/id6451490901/reviews) | **[4.8 (44 ratings)](https://appshunter.io/ios/app/caltrak-calorie-tracker/id6764352979/reviews)** |
| Number of ratings | 15 | **44** |
| Positive reviews | 68.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free | Free |
| Size | 37 MB | 35 MB |
| Requires iOS | **15.5** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Simon Oppowa](https://appshunter.io/developer/1698527681) | [Ryan Bulcher](https://appshunter.io/developer/1606574003) |

## What reviewers say

### OpenNutriTracker

[App page](https://appshunter.io/ios/app/opennutritracker/id6451490901)

This app offers a straightforward way to monitor your daily food intake and analyze nutritional information. It features a food diary, custom meal planning, and a barcode scanner for easy logging. Prioritizing user privacy, it provides a completely free and ad-free experience.

**Highlights:** Nutritional tracking, Food diary, Custom meal planning, Barcode scanner, Privacy focused, Open-source

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

**In-app purchases:** none


### CalTrak

[App page](https://appshunter.io/ios/app/caltrak-calorie-tracker/id6764352979)

Quickly log meals and track daily nutrition with a focus on privacy. Offers AI-powered meal descriptions, barcode scanning, and integration with Apple Health. View historical trends and macro breakdowns.

**Highlights:** Fast meal logging, AI-powered meal descriptions, Barcode scanning, Macro tracking, Calendar heatmap history, Apple Health integration, Private data storage

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Cal a coffee | $1.99 | one-time |
| Support development | $4.99 | one-time |
| Big thank you | $9.99 | one-time |


## Frequently asked questions

### Is OpenNutriTracker free?

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

### Is CalTrak free?

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

### Which has better reviews, OpenNutriTracker or CalTrak?

CalTrak is rated higher. OpenNutriTracker averages 4.3 out of 5 from 15 ratings, while CalTrak averages 4.8 from 44 ratings.

### Do OpenNutriTracker or CalTrak have ads?

Neither OpenNutriTracker nor CalTrak shows ads.

### Which is updated more often, OpenNutriTracker or CalTrak?

OpenNutriTracker ships an update monthly, and CalTrak every 3 days. Most recently, OpenNutriTracker was updated on October 15, 2026 and CalTrak on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*