# Tempo Interval vs RoundBell

The clearest difference is in-app purchases: Tempo Interval at none against RoundBell's 1. Tempo Interval also leads on update cadence (every 4 days vs every 9 days) and iOS requirement (16.2 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. RoundBell sells 1 one-off in-app purchase. Tempo Interval asks for nothing beyond the download.

Tempo Interval ships an update every 4 days, RoundBell every 9 days. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Tempo Interval | RoundBell |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tempo-interval/id6769674880/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 9 days |
| Monetization | Free | — |
| Size | 2 MB | 5 MB |
| Requires iOS | **16.2** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Mehdi Akbar Naqvi](https://appshunter.io/developer/1896678586) | [InnovaLabWorks](https://appshunter.io/developer/1888514726) |

## What reviewers say

### Tempo Interval

[App page](https://appshunter.io/ios/app/tempo-interval/id6769674880)

This interval timer app offers guided routines for mobility, breathwork, and automatic training logs. It features lock screen control and subtle haptic feedback for seamless workouts. Enjoy customizable sound modes and privacy with no account or data collection.

**Highlights:** Interval timer with customizable cycles, Built-in mobility and breathwork routines, Automatic training log with streak tracking, Lock screen and Dynamic Island controls, Haptic feedback for phase changes, Multiple sound modes for different environments

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

**In-app purchases:** none


### RoundBell

[App page](https://appshunter.io/ios/app/roundbell-round-timer/id6790007564)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RoundBell Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Tempo Interval free?

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

### Is RoundBell free?

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

### Do Tempo Interval or RoundBell have ads?

Neither Tempo Interval nor RoundBell shows ads.

### Which is updated more often, Tempo Interval or RoundBell?

Tempo Interval ships an update every 4 days, and RoundBell every 9 days. Most recently, Tempo Interval was updated on October 7, 2026 and RoundBell on September 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.*