# IntervalGuide vs Calorie Burndown

The clearest difference is ads: Calorie Burndown at none against IntervalGuide's shown. Calorie Burndown also leads on update cadence (every 3 days vs every 11 days). IntervalGuide's advantage is iOS requirement (16.0 vs 26.5). On price, in-app purchases 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 and Calorie Burndown sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

IntervalGuide ships an update every 11 days, Calorie Burndown every 3 days. The most recent releases landed on September 28, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | IntervalGuide | Calorie Burndown |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 11 days | **Every 3 days** |
| Size | 54 MB | 6 MB |
| Requires iOS | **16.0** | 26.5 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Amir Tairi](https://appshunter.io/developer/6775922253) | [Kevin McMahon](https://appshunter.io/developer/6783589762) |

## What reviewers say

### 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 |


### Calorie Burndown

[App page](https://appshunter.io/ios/app/calorie-burndown/id6800660426)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $1.99 | one-time |
| Buy me a few coffees | $4.99 | one-time |
| Buy the whole round | $9.99 | one-time |


## Frequently asked questions

### Is IntervalGuide free?

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

### Is Calorie Burndown free?

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

### Do IntervalGuide or Calorie Burndown have ads?

IntervalGuide shows ads; Calorie Burndown does not.

### Which is updated more often, IntervalGuide or Calorie Burndown?

IntervalGuide ships an update every 11 days, and Calorie Burndown every 3 days. Most recently, IntervalGuide was updated on September 28, 2026 and Calorie Burndown on October 9, 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.*