# 随声练 vs iTimer

The clearest difference is in-app purchases: 随声练 at none against iTimer's 2. iTimer's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. iTimer sells 2 in-app purchases, starting at $3.99 per month. 随声练 asks for nothing beyond the download.

## The numbers

| Metric | 随声练 | iTimer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 1 MB | 51 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [永强 李](https://appshunter.io/developer/1629439485) | [Babak Shirvani](https://appshunter.io/developer/1816520297) |

## What reviewers say

### 随声练

[App page](https://appshunter.io/ios/app/id6757973387)

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

**In-app purchases:** none


### iTimer

[App page](https://appshunter.io/ios/app/itimer-hiit-and-interval-timer/id6762029019)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iTimer Pro (Monthly) | $3.99 | per month |
| Lifetime Access | $14.99 | one-time |


## Frequently asked questions

### Is 随声练 free?

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

### Is iTimer free?

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

### Do 随声练 or iTimer have ads?

Neither 随声练 nor iTimer shows ads.

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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.*