# 滚水 vs LifeMark

The clearest difference is in-app purchases: 滚水 at none against LifeMark's 4. 滚水 also leads on iOS requirement (13.0 vs 17.0). LifeMark's advantage is update cadence (every 2 weeks vs every 25 months) and device support. On price there is nothing between them.

Both are free to download. LifeMark sells 4 in-app purchases, starting at $0.99 per month. 滚水 asks for nothing beyond the download.

滚水 ships an update every 25 months, LifeMark every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | 滚水 | LifeMark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lifemark/id6745689205/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | Every 25 months | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 34 MB | 68 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Boiling Water Technology Co., Ltd.](https://appshunter.io/developer/1688664790) | [延德 聂](https://appshunter.io/developer/1363152301) |

## What reviewers say

### 滚水

[App page](https://appshunter.io/ios/app/id6477358981)

**In-app purchases:** none


### LifeMark

[App page](https://appshunter.io/ios/app/lifemark/id6745689205)

This app helps you meticulously record and cherish every moment of your family's life. It offers personalized tracking for each member, from babies to pets, creating a comprehensive family history. Visualize your data and foster healthy habits with its unique reward system.

**Highlights:** Role-based family member profiles, Detailed tracking modules for all ages and pets, Growth and health monitoring, Habit formation and goal setting, Data visualization and reports, Reward and incentive system, Cross-platform synchronization

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 顾家会员每月版 | $0.99 | per month |
| 顾家会员 | $2.99 | per year |
| 优惠专业版 | $1.99 | one-time |
| 专业版 | $2.99 | one-time |


## Frequently asked questions

### Is 滚水 free?

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

### Is LifeMark free?

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

### Which is updated more often, 滚水 or LifeMark?

滚水 ships an update every 25 months, and LifeMark every 2 weeks. Most recently, 滚水 was updated on October 24, 2026 and LifeMark on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*