# Interval Timer HIIT Timer ++ vs Interval Timer

The clearest difference is ads: Interval Timer at none against Interval Timer HIIT Timer ++'s shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Interval Timer HIIT Timer ++ sells 1 in-app purchase, starting at $1.99 per 7 days and Interval Timer sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 6 days. The most recent releases landed on June 11, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Interval Timer HIIT Timer ++ | Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 days | Every 6 days |
| Size | 6 MB | 18 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Appwallet Technologies Private Limited](https://appshunter.io/developer/1581780855) | [Ilya Paddubny](https://appshunter.io/developer/1692820417) |

## What reviewers say

### Interval Timer HIIT Timer ++

[App page](https://appshunter.io/ios/app/interval-timer-hiit-timer-plus-plus/id6737910658)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HIIT | $1.99 | per 7 days |


### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-boxing-and-plyo/id6742884744)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $1.99 | per month |
| Annual Premium (Best Value) | $11.99 | per year |
| Lifetime Access | Free | one-time |


## Frequently asked questions

### Is Interval Timer HIIT Timer ++ free?

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

### Is Interval Timer free?

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

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

Interval Timer HIIT Timer ++ shows ads; Interval Timer does not.

### Which is updated more often, Interval Timer HIIT Timer ++ or Interval Timer?

Interval Timer HIIT Timer ++ ships an update every 6 days, and Interval Timer every 6 days. Most recently, Interval Timer HIIT Timer ++ was updated on June 11, 2026 and Interval Timer on September 21, 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.*