# Macro AI vs Rust Strength

The clearest difference is review sentiment: Rust Strength at 100% against Macro AI's 32%. Rust Strength also leads on in-app purchases (none vs 10) and rating (5.0 vs 4.7). Macro AI's advantage is ratings volume (602 vs 2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Macro AI sells 10 in-app purchases, starting at $4.99 per 7 days. Rust Strength asks for nothing beyond the download.

Rust Strength holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Macro AI has 602 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 32% of Macro AI's written reviews are positive against 100% of Rust Strength's.

Macro AI ships an update every 3 weeks, Rust Strength fortnightly. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Macro AI | Rust Strength |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (602 ratings)](https://appshunter.io/ios/app/macro-ai-calorie-tracker/id6741170067/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rust-strength/id6811736131/reviews)** |
| Number of ratings | **602** | 2 |
| Positive reviews | 32.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Subscription | **Free** |
| Size | 198 MB | 42 MB |
| Requires iOS | **15.5** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Stefan Neuber](https://appshunter.io/developer/1502308701) | [RHETT JOHN LINDELL](https://appshunter.io/developer/6811736133) |

## What reviewers say

### Macro AI

[App page](https://appshunter.io/ios/app/macro-ai-calorie-tracker/id6741170067)

Effortlessly track your calorie and macro intake with AI-powered photo recognition. Simply snap a picture of your meal, and the app instantly analyzes it, providing accurate breakdowns of calories, protein, carbs, and fats. Monitor your progress with a visual dashboard and customizable goals.

**Highlights:** Instant photo food recognition, Accurate macro breakdown, Smart meal history, Progress dashboard, Customizable nutrition goals

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited | $4.99 | per 7 days |
| Unlimited | $9.99 | per year |
| Unlimited | $9.99 | per month |
| Unlimited | $14.99 | per year |
| Unlimited | $19.99 | per year |
| Unlimited | $29.99 | per year |
| Unlimited | $29.99 | per year |
| Unlimited | $39.99 | per year |
| Unlimited | $39.99 | per year |
| Unlimited | $49.99 | per year |


### Rust Strength

[App page](https://appshunter.io/ios/app/rust-strength/id6811736131)

This app helps weightlifters determine the optimal weight for their next set based on previous performance and desired rep range. It also tracks runs with GPS, providing detailed metrics and progress summaries. Users can connect with friends, compete on leaderboards, and earn achievements.

**Highlights:** Smart weight suggestions for next lifting set, GPS running tracking with live map, Workout and run summaries with charts, Social feed and leaderboards for friends, Progress tracking with streaks and trophies, Rest timer with Lock Screen and Dynamic Island integration, Support for over 40 activities

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

**In-app purchases:** none


## Frequently asked questions

### Is Macro AI free?

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

### Is Rust Strength free?

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

### Which has better reviews, Macro AI or Rust Strength?

Rust Strength is rated higher. Macro AI averages 4.7 out of 5 from 602 ratings, while Rust Strength averages 5.0 from 2 ratings.

### Do Macro AI or Rust Strength have ads?

Neither Macro AI nor Rust Strength shows ads.

### Which is updated more often, Macro AI or Rust Strength?

Macro AI ships an update every 3 weeks, and Rust Strength fortnightly. Most recently, Macro AI was updated on October 24, 2026 and Rust Strength on October 31, 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.*