# Shift vs TempoBell

The clearest difference is in-app purchases: Shift at none against TempoBell's 1. Shift also leads on update cadence (every 4 days vs every 2 weeks). TempoBell's advantage is iOS requirement (17.0 vs 26). On price, ads and device support there is nothing between them.

Both are free to download. TempoBell sells 1 one-off in-app purchase. Shift asks for nothing beyond the download.

Shift ships an update every 4 days, TempoBell every 2 weeks. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Shift | TempoBell |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/shift-workout-interval-timer/id6805132734/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Size | 51 MB | 6 MB |
| Requires iOS | 26 | **17.0** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Jorick van Meijeren](https://appshunter.io/developer/1882811593) | [Asharaf Ali](https://appshunter.io/developer/1860905425) |

## What reviewers say

### Shift

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

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

**In-app purchases:** none


### TempoBell

[App page](https://appshunter.io/ios/app/tempobell-boxing-timer/id6808922989)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TempoBell Pro | $7.99 | one-time |


## Frequently asked questions

### Is Shift free?

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

### Is TempoBell free?

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

### Do Shift or TempoBell have ads?

Neither Shift nor TempoBell shows ads.

### Which is updated more often, Shift or TempoBell?

Shift ships an update every 4 days, and TempoBell every 2 weeks. Most recently, Shift was updated on October 29, 2026 and TempoBell on October 26, 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.*