# RoundShift vs HearTime

The clearest difference is update cadence: RoundShift at every 2 days against HearTime's every 4 days. RoundShift also leads on device support (4 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. RoundShift sells 1 one-off in-app purchase and HearTime sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

RoundShift ships an update every 2 days, HearTime every 4 days. The most recent releases landed on August 4, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | RoundShift | HearTime |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/roundshift-interval-timer/id6793125180/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 days |
| Monetization | Free with in-app purchases | — |
| Size | 143 MB | 37 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Carl Law](https://appshunter.io/developer/1671704999) | [平 丁](https://appshunter.io/developer/6798122714) |

## What reviewers say

### RoundShift

[App page](https://appshunter.io/ios/app/roundshift-interval-timer/id6793125180)

This interval timer app provides voice coaching for various workout types, allowing you to keep your eyes on your exercise rather than the screen. It offers customizable presets, multiple voice options, and can even display workouts on a larger screen for group sessions. Advanced features like adaptive rest and Apple Health integration are available with a Pro upgrade.

**Highlights:** Voice coaching for workouts, Customizable interval presets, Plain language workout builder, Multi-language coach voices, Screen-off and face-down operation, AirPlay for group sessions, Adaptive rest with Apple Watch

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Intervo Pro (Lifetime) | $4.99 | one-time |


### HearTime

[App page](https://appshunter.io/ios/app/heartime-voice-timer/id6799259518)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HearTime Pro Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is RoundShift free?

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

### Is HearTime free?

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

### Do RoundShift or HearTime have ads?

Neither RoundShift nor HearTime shows ads.

### Which is updated more often, RoundShift or HearTime?

RoundShift ships an update every 2 days, and HearTime every 4 days. Most recently, RoundShift was updated on August 4, 2026 and HearTime on September 10, 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.*