# HIIT Timer vs Shift

The clearest difference is review sentiment: Shift at 100% against HIIT Timer's 25%. Shift also leads on rating (5.0 vs 3.0) and ads (none vs shown). HIIT Timer's advantage is iOS requirement (17.6 vs 26). On price, ratings volume, 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.

Shift holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 25% of HIIT Timer's written reviews are positive against 100% of Shift's.

HIIT Timer ships an update every 2 months, Shift every 5 days. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | HIIT Timer | Shift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/hiit-timer/id1574999662/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/shift-workout-interval-timer/id6805132734/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Ad-supported | **Free** |
| Size | 9 MB | 52 MB |
| Requires iOS | **17.6** | 26 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Vividly Technologies Inc.](https://appshunter.io/developer/1574999664) | [Jorick van Meijeren](https://appshunter.io/developer/1882811593) |

## What reviewers say

### HIIT Timer

[App page](https://appshunter.io/ios/app/hiit-timer/id1574999662)

This interval timer is designed for High Intensity Interval Training (HIIT), warm-ups, and stretches. Easily configure workout, rest, and ready times, along with the number of rounds. The app remembers your settings for future use and offers a dark mode option.

**Highlights:** Customizable workout and rest intervals, Configurable number of rounds, Pre-workout 'Get Ready' time, Alarm notification before interval end, Dark mode option, Remembers previous settings

**Features:** macOS Compatibility

**In-app purchases:** none


### Shift

[App page](https://appshunter.io/ios/app/shift-workout-interval-timer/id6805132734)

This app provides a straightforward interval timer for workouts, allowing users to easily set up work, rest, and repeat cycles. It offers essential features like voice cues, background timing, and a live activity display, with all workout history saved locally.

**Highlights:** Customizable work, rest, and repeat intervals, Voice cues and tone options, Background timing, Live Activity on Lock Screen/Dynamic Island, Workout history saved locally, iPhone and iPad support

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

**In-app purchases:** none


## Frequently asked questions

### Is HIIT Timer free?

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

### Is Shift free?

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

### Which has better reviews, HIIT Timer or Shift?

Shift is rated higher. HIIT Timer averages 3.0 out of 5 from 2 ratings, while Shift averages 5.0 from 2 ratings.

### Do HIIT Timer or Shift have ads?

HIIT Timer shows ads; Shift does not.

### Which is updated more often, HIIT Timer or Shift?

HIIT Timer ships an update every 2 months, and Shift every 5 days. Most recently, HIIT Timer was updated on November 3, 2026 and Shift on November 6, 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.*