# Timer for HIIT training vs Siempre

The clearest difference is in-app purchases: Timer for HIIT training at none against Siempre's 1. Timer for HIIT training also leads on iOS requirement (14.0 vs 16). Siempre's advantage is ads (none vs shown) and update cadence (every 3 days vs every 37 months). On price and device support there is nothing between them.

Both are free to download. Siempre sells 1 one-off in-app purchase. Timer for HIIT training asks for nothing beyond the download.

Timer for HIIT training ships an update every 37 months, Siempre every 3 days. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Timer for HIIT training | Siempre |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (11 ratings)](https://appshunter.io/ios/app/timer-for-hiit-training/id1352280983/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 37 months | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 5 MB | 4 MB |
| Requires iOS | **14.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sergio Musoles Tornador](https://appshunter.io/developer/1235548127) | [Noritsugu Tagami](https://appshunter.io/developer/1841539818) |

## What reviewers say

### Timer for HIIT training

[App page](https://appshunter.io/ios/app/timer-for-hiit-training/id1352280983)

This interval training app helps you manage your workouts for various activities like cycling, running, weightlifting, and HIIT. It offers customizable timers for sets, repetitions, and pauses, with visual cues to guide your sessions.

**Highlights:** Customizable time settings, Customizable number of series, Customizable number of repetitions, Pause and resume sessions, Visual cue screen color changes

**Features:** macOS Compatibility

**In-app purchases:** none


### Siempre

[App page](https://appshunter.io/ios/app/siempre-simple-repeat-timer/id6752882686)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Japon/Espanol | $2.99 | one-time |


## Frequently asked questions

### Is Timer for HIIT training free?

Timer for HIIT training is free to download, with no in-app purchases.

### Is Siempre free?

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

### Do Timer for HIIT training or Siempre have ads?

Timer for HIIT training shows ads; Siempre does not.

### Which is updated more often, Timer for HIIT training or Siempre?

Timer for HIIT training ships an update every 37 months, and Siempre every 3 days. Most recently, Timer for HIIT training was updated on October 24, 2026 and Siempre on October 30, 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.*