# HIIT Timer / Interval Timer vs Spielzeit Ninja

The clearest difference is ads: Spielzeit Ninja at none against HIIT Timer / Interval Timer's shown. Spielzeit Ninja also leads on update cadence (every 6 days vs every 2 months) and iOS requirement (16.4 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HIIT Timer / Interval Timer ships an update every 2 months, Spielzeit Ninja every 6 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | HIIT Timer / Interval Timer | Spielzeit Ninja |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (22 ratings)](https://appshunter.io/ios/app/hiit-timer-interval-timer/id1610842683/reviews)** | — |
| Number of ratings | **22** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Ad-supported | — |
| Size | 12 MB | 60 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [FugaPiyo Inc.](https://appshunter.io/developer/1497887610) | [Bjoern Kohnen](https://appshunter.io/developer/1623625921) |

## What reviewers say

### HIIT Timer / Interval Timer

[App page](https://appshunter.io/ios/app/hiit-timer-interval-timer/id1610842683)

This app provides a customizable timer for high-intensity interval training. Easily set up warm-up, workout, and cool-down periods with adjustable intervals and counts. Personalize colors, sounds, and notifications for a tailored experience.

**Highlights:** Unlimited timer creation, Customizable intervals (warm-up, workout, cool-down), Adjustable counts, Color and sound customization, Dark mode support, Background notifications

**Features:** Vision Pro support

**In-app purchases:** none


### Spielzeit Ninja

[App page](https://appshunter.io/ios/app/spielzeit-ninja/id6742789725)

**In-app purchases:** none


## Frequently asked questions

### Is HIIT Timer / Interval Timer free?

HIIT Timer / Interval Timer is free to download, with no in-app purchases.

### Is Spielzeit Ninja free?

Spielzeit Ninja is free to download, with no in-app purchases.

### Do HIIT Timer / Interval Timer or Spielzeit Ninja have ads?

HIIT Timer / Interval Timer shows ads; Spielzeit Ninja does not.

### Which is updated more often, HIIT Timer / Interval Timer or Spielzeit Ninja?

HIIT Timer / Interval Timer ships an update every 2 months, and Spielzeit Ninja every 6 days. Most recently, HIIT Timer / Interval Timer was updated on October 30, 2026 and Spielzeit Ninja on October 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.*