# MacroFactor vs Rx Alert

The clearest difference is price: MacroFactor at Free against Rx Alert's $0.99. MacroFactor also leads on chart position (#10 vs unranked) and device support (4 vs 2). Rx Alert's advantage is in-app purchases (none vs 10). On update cadence and ads there is nothing between them.

MacroFactor is free to download; Rx Alert costs $0.99 up front. MacroFactor sells 10 in-app purchases, starting at $9.99 per month. Rx Alert asks for nothing beyond the download.

MacroFactor ships an update every 9 days, Rx Alert fortnightly. The most recent releases landed on November 10, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | MacroFactor | Rx Alert |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.8 (24K ratings)](https://appshunter.io/ios/app/macrofactor-macro-tracker/id1553503471/reviews)** | — |
| Number of ratings | **24K** | — |
| Positive reviews | 70.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#10** | — |
| Size | 247 MB | 4 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Stronger By Science Technologies LLC](https://appshunter.io/developer/1553503473) | [Ryan Hunter](https://appshunter.io/developer/1456867166) |

## What reviewers say

### MacroFactor

[App page](https://appshunter.io/ios/app/macrofactor-macro-tracker/id1553503471)

**Currently charting:** #10 Top Grossing · Health & Fitness, #84 Top Free · Health & Fitness (US App Store)

This nutrition app personalizes calorie and macro targets using adaptive algorithms and behavioral science. It offers advanced food logging, detailed breakdowns, and weight trend analysis to help users achieve sustainable diet goals.

**Highlights:** Adaptive nutrition coach, Best-in-class expenditure estimate (TDEE), Fastest macro tracker, Verified food database, Weight Trend visualization, Flexible plan modes, AI photo food logging

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Monthly Subscription | $11.99 | per month |
| Monthly Subscription | $11.99 | per month |
| Monthly Subscription | $11.99 | per month |
| Semiannual Subscription | $47.99 | per 6 months |
| Semiannual Subscription | $47.99 | per 6 months |
| Annual Subscription | $59.99 | per year |
| Annual Subscription | $71.99 | per year |
| Annual Subscription | $71.99 | per year |
| Annual Subscription Bundle | $89.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 🔍 Detailed analytics and data
- 🤖 Intelligent algorithm adjustments
- 👍 Flexible and customizable
- 💯 Comprehensive food database

**What reviewers complain about**

- 🔍 Limited food database for some regions
- 🤔 Steep learning curve for some users
- 💰 Subscription-based model
- 🤖 Occasional inaccuracies in AI-generated entries
- 🔀 Convoluted navigation in some areas

**Reported bugs**

- Disappearing food entries
- Inconsistent syncing with Apple Health

**Requested features**

- Apple Watch integration
- Micronutrient tracking
- Ability to edit database entries
- Improved barcode scanning for international users
- Customizable dashboard and widgets


### Rx Alert

[App page](https://appshunter.io/ios/app/rx-alert/id1622253475)

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

**In-app purchases:** none


## Frequently asked questions

### Is MacroFactor free?

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

### Is Rx Alert free?

Rx Alert costs $0.99, with no in-app purchases.

### Do MacroFactor or Rx Alert have ads?

Neither MacroFactor nor Rx Alert shows ads.

### Which is updated more often, MacroFactor or Rx Alert?

MacroFactor ships an update every 9 days, and Rx Alert fortnightly. Most recently, MacroFactor was updated on November 10, 2026 and Rx Alert on November 7, 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.*