# Supplements AI vs Rest

The clearest difference is price: Supplements AI at Free against Rest's $0.99. Supplements AI also leads on update cadence (every 4 days vs every 9 days) and iOS requirement (15.1 vs 18.5). Rest's advantage is in-app purchases (none vs 4). On ads and device support there is nothing between them.

Supplements AI is free to download; Rest costs $0.99 up front. Supplements AI sells 4 in-app purchases, starting at $4.99 per month. Rest asks for nothing beyond the download.

Supplements AI ships an update every 4 days, Rest every 9 days. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Supplements AI | Rest |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.3 (122 ratings)](https://appshunter.io/ios/app/supplements-ai-stack-tracker/id6741800649/reviews)** | — |
| Number of ratings | **122** | — |
| Positive reviews | 54.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 54 MB | 8 MB |
| Requires iOS | **15.1** | 18.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Adrien Pierre Grusse](https://appshunter.io/developer/1795657365) | [Oscar Robert-Besle](https://appshunter.io/developer/1831517156) |

## What reviewers say

### Supplements AI

[App page](https://appshunter.io/ios/app/supplements-ai-stack-tracker/id6741800649)

Optimize your health routine with this intelligent supplement tracker. It creates personalized schedules, reminds you of doses, and analyzes potential interactions and synergies to maximize benefits. Gain insights into how your supplements impact your well-being and identify potential nutrient deficiencies.

**Highlights:** Personalized supplement schedule, Smart reminder notifications, Vitamin and mineral tracking, Synergy and interference analysis, Meal-aware planning, Well-being and performance tracking, Nutrient deficiency identification

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Supplements Premium Monthly | $4.99 | per month |
| Supplements Premium Monthly | $5.99 | per month |
| Supplements Premium Yearly | $29.99 | per year |
| Supplements Premium Yearly | $39.99 | per year |


### Rest

[App page](https://appshunter.io/ios/app/rest-timer/id6749635232)

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

**In-app purchases:** none


## Frequently asked questions

### Is Supplements AI free?

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

### Is Rest free?

Rest costs $0.99, with no in-app purchases.

### Do Supplements AI or Rest have ads?

Neither Supplements AI nor Rest shows ads.

### Which is updated more often, Supplements AI or Rest?

Supplements AI ships an update every 4 days, and Rest every 9 days. Most recently, Supplements AI was updated on October 3, 2026 and Rest on October 5, 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.*