# Supplements AI vs Fair Interval Timer

The clearest difference is ads: Supplements AI at none against Fair Interval Timer's shown. Supplements AI also leads on device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Supplements AI sells 4 in-app purchases, starting at $4.99 per month and Fair Interval Timer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Supplements AI ships an update every 4 days, Fair Interval Timer every 5 days. The most recent releases landed on September 15, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Supplements AI | Fair Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| 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 | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | Free with in-app purchases | — |
| Size | 54 MB | 57 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Adrien Pierre Grusse](https://appshunter.io/developer/1795657365) | [Leander Joshua Kilian](https://appshunter.io/developer/1895129854) |

## 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 |


### Fair Interval Timer

[App page](https://appshunter.io/ios/app/fair-interval-timer/id6776839879)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Forever | $3.99 | one-time |


## Frequently asked questions

### Is Supplements AI free?

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

### Is Fair Interval Timer free?

Fair Interval Timer is free to download, with in-app purchases available.

### Do Supplements AI or Fair Interval Timer have ads?

Fair Interval Timer shows ads; Supplements AI does not.

### Which is updated more often, Supplements AI or Fair Interval Timer?

Supplements AI ships an update every 4 days, and Fair Interval Timer every 5 days. Most recently, Supplements AI was updated on September 15, 2026 and Fair Interval Timer on September 11, 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.*