# Openweight vs Calorize

The clearest difference is in-app purchases: Openweight at none against Calorize's 4. Openweight also leads on ads (none vs shown) and iOS requirement (12.4 vs 15.0). Calorize's advantage is update cadence (every 2 weeks vs every 4 months) and device support (4 vs 2). On price there is nothing between them.

Both are free to download. Calorize sells 4 in-app purchases, starting at $7.99 per month. Openweight asks for nothing beyond the download.

Openweight ships an update every 4 months, Calorize every 2 weeks. The most recent releases landed on October 25, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Openweight | Calorize |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (20 ratings)](https://appshunter.io/ios/app/calorize-ai-calorie-tracker/id6765892774/reviews)** |
| Number of ratings | — | **20** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 22 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Lewis Casewell](https://appshunter.io/developer/1672790444) | [Lialia Sakhno](https://appshunter.io/developer/1896118513) |

## What reviewers say

### Openweight

[App page](https://appshunter.io/ios/app/openweight/id6449994612)

**Features:** Vision Pro support

**In-app purchases:** none


### Calorize

[App page](https://appshunter.io/ios/app/calorize-ai-calorie-tracker/id6765892774)

Effortlessly log your meals using AI, voice, or camera. Get personalized insights into your eating habits and track progress towards your health goals. Supports water, weight, and workout logging.

**Highlights:** AI food logging via voice or camera, Automatic calorie and macro estimation, Personalized daily and weekly analysis, Recipe builder, Water, weight, and workout tracking, Apple Watch integration

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calorize Premium | $7.99 | per month |
| Calorize Max | $17.99 | per month |
| Calorize Premium | $49.99 | per year |
| Calorize Max | $119.99 | per year |


## Frequently asked questions

### Is Openweight free?

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

### Is Calorize free?

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

### Do Openweight or Calorize have ads?

Calorize shows ads; Openweight does not.

### Which is updated more often, Openweight or Calorize?

Openweight ships an update every 4 months, and Calorize every 2 weeks. Most recently, Openweight was updated on October 25, 2026 and Calorize on November 4, 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.*