# Longevity Master vs 宝宝身高测量

The clearest difference is in-app purchases: 宝宝身高测量 at none against Longevity Master's 1. 宝宝身高测量 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Longevity Master sells 1 one-off in-app purchase. 宝宝身高测量 asks for nothing beyond the download.

Longevity Master ships an update every 2 weeks, 宝宝身高测量 every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Longevity Master | 宝宝身高测量 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 21 MB | 24 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [APPS BAY LIMITED](https://appshunter.io/developer/1599035519) | [山西深海科技有限公司](https://appshunter.io/developer/6791085339) |

## What reviewers say

### Longevity Master

[App page](https://appshunter.io/ios/app/longevity-master-habits/id6747810020)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Premium | $6.99 | one-time |


### 宝宝身高测量

[App page](https://appshunter.io/ios/app/id6791085337)

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

**In-app purchases:** none


## Frequently asked questions

### Is Longevity Master free?

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

### Is 宝宝身高测量 free?

宝宝身高测量 is free to download, with no in-app purchases.

### Do Longevity Master or 宝宝身高测量 have ads?

Longevity Master shows ads; 宝宝身高测量 does not.

### Which is updated more often, Longevity Master or 宝宝身高测量?

Longevity Master ships an update every 2 weeks, and 宝宝身高测量 every 3 weeks. Most recently, Longevity Master was updated on October 24, 2026 and 宝宝身高测量 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.*