# 一念佛音 vs 时辰调音 · ChronoTune

The clearest difference is iOS requirement: 一念佛音 at 13.0 against 时辰调音 · ChronoTune's 26.0. On price, ads, 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.

## The numbers

| Metric | 一念佛音 | 时辰调音 · ChronoTune |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 25 MB | 17 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [广州未科网络科技有限公司](https://appshunter.io/developer/1720101588) | [仁浩 文](https://appshunter.io/developer/1783294123) |

## What reviewers say

### 一念佛音

[App page](https://appshunter.io/ios/app/id6748550059)

**Features:** macOS Compatibility

**In-app purchases:** none


### 时辰调音 · ChronoTune

[App page](https://appshunter.io/ios/app/chronotune/id6766404653)

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

**In-app purchases:** none


## Frequently asked questions

### Is 一念佛音 free?

一念佛音 is free to download, with no in-app purchases.

### Is 时辰调音 · ChronoTune free?

时辰调音 · ChronoTune is free to download, with no in-app purchases.

### Do 一念佛音 or 时辰调音 · ChronoTune have ads?

Neither 一念佛音 nor 时辰调音 · ChronoTune 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.*