# 心率管家 vs 天天K歌

The clearest difference is update cadence: 心率管家 at every 4 days against 天天K歌's every 2 weeks. 天天K歌's advantage is iOS requirement (13 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 心率管家 sells 3 in-app purchases, starting at $3.99 per 7 days and 天天K歌 sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

心率管家 ships an update every 4 days, 天天K歌 every 2 weeks. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 心率管家 | 天天K歌 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Size | 47 MB | 68 MB |
| Requires iOS | 15.1 | **13** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Nanjing Dark Matter Tech Co., Ltd.](https://appshunter.io/developer/1885416455) | [晨 陈](https://appshunter.io/developer/6790364713) |

## What reviewers say

### 心率管家

[App page](https://appshunter.io/ios/app/id6781536351)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Monthly | $7.99 | per month |
| Yearly | $19.99 | per year |


### 天天K歌

[App page](https://appshunter.io/ios/app/k/id6790620865)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30元积分 | $3.99 | one-time |
| 50元积分 | $6.99 | one-time |
| 100元积分 | $14.99 | one-time |
| 永久会员 | $29.99 | one-time |


## Frequently asked questions

### Is 心率管家 free?

心率管家 is free to download, with in-app purchases available.

### Is 天天K歌 free?

天天K歌 is free to download, with in-app purchases available.

### Do 心率管家 or 天天K歌 have ads?

Neither 心率管家 nor 天天K歌 shows ads.

### Which is updated more often, 心率管家 or 天天K歌?

心率管家 ships an update every 4 days, and 天天K歌 every 2 weeks. Most recently, 心率管家 was updated on October 31, 2026 and 天天K歌 on October 25, 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.*