# The Supplement Tracker vs IntervalGuide

The clearest difference is in-app purchases: The Supplement Tracker at none against IntervalGuide's 1. The Supplement Tracker also leads on ads (none vs shown) and iOS requirement (12.0 vs 16.0). IntervalGuide's advantage is update cadence (every 11 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. IntervalGuide sells 1 in-app purchase, starting at $2.99 per month. The Supplement Tracker asks for nothing beyond the download.

The Supplement Tracker ships an update every 2 months, IntervalGuide every 11 days. The most recent releases landed on October 11, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | The Supplement Tracker | IntervalGuide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 11 days** |
| Size | 28 MB | 54 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Eudald Pons Boronat](https://appshunter.io/developer/1810275727) | [Amir Tairi](https://appshunter.io/developer/6775922253) |

## What reviewers say

### The Supplement Tracker

[App page](https://appshunter.io/ios/app/the-supplement-tracker/id6749189612)

**In-app purchases:** none


### IntervalGuide

[App page](https://appshunter.io/ios/app/intervalguide-intervall-timer/id6775922251)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IntervalGuide Premium | $2.99 | per month |


## Frequently asked questions

### Is The Supplement Tracker free?

The Supplement Tracker is free to download, with no in-app purchases.

### Is IntervalGuide free?

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

### Do The Supplement Tracker or IntervalGuide have ads?

IntervalGuide shows ads; The Supplement Tracker does not.

### Which is updated more often, The Supplement Tracker or IntervalGuide?

The Supplement Tracker ships an update every 2 months, and IntervalGuide every 11 days. Most recently, The Supplement Tracker was updated on October 11, 2026 and IntervalGuide on September 28, 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.*