# Interval Timer HIIT vs Cadlo

Interval Timer HIIT and Cadlo are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Interval Timer HIIT sells 1 one-off in-app purchase and Cadlo sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Interval Timer HIIT | Cadlo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Size | 1 MB | 8 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cosmic Production d.o.o.](https://appshunter.io/developer/1882842325) | [INSIGHTIQ](https://appshunter.io/developer/1483336016) |

## What reviewers say

### Interval Timer HIIT

[App page](https://appshunter.io/ios/app/interval-timer-hiit/id6760827440)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium — Lifetime | $1.95 | one-time |


### Cadlo

[App page](https://appshunter.io/ios/app/cadlo-beep-test-and-pacer/id6785295472)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cadlo Pro — Monthly | $3.99 | per month |
| Cadlo Pro — Yearly | $22.99 | per year |


## Frequently asked questions

### Is Interval Timer HIIT free?

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

### Is Cadlo free?

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

### Do Interval Timer HIIT or Cadlo have ads?

Neither Interval Timer HIIT nor Cadlo shows ads.

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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.*