# Time Machine vs 余生倒数

The clearest difference is in-app purchases: 余生倒数 at none against Time Machine's 2. 余生倒数 also leads on ads (none vs shown) and iOS requirement (11.0 vs 14). Time Machine's advantage is update cadence (fortnightly vs every 6 months). On price and device support there is nothing between them.

Both are free to download. Time Machine sells 2 in-app purchases, starting at $0.49 per month. 余生倒数 asks for nothing beyond the download.

Time Machine ships an update fortnightly, 余生倒数 every 6 months. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Time Machine | 余生倒数 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/time-machine-mind-your-time/id1502507360/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 71 MB | 39 MB |
| Requires iOS | 14 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [红升 孙](https://appshunter.io/developer/1502418960) | [庭锋 叶](https://appshunter.io/developer/1604375751) |

## What reviewers say

### Time Machine

[App page](https://appshunter.io/ios/app/time-machine-mind-your-time/id1502507360)

Track your life's progress with this app that estimates your lifespan based on your birthday. It also helps you track important dates and your progress through the current year in a visually engaging way.

**Highlights:** Lifespan estimation based on birthday, Track important dates, Visualize yearly progress, "Is today Friday?" feature, Support for English language

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 时间机器1月高级会员 | $0.49 | per month |
| 时间机器1年高级会员 | $5.99 | per year |


### 余生倒数

[App page](https://appshunter.io/ios/app/id1611678097)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Time Machine free?

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

### Is 余生倒数 free?

余生倒数 is free to download, with no in-app purchases.

### Do Time Machine or 余生倒数 have ads?

Time Machine shows ads; 余生倒数 does not.

### Which is updated more often, Time Machine or 余生倒数?

Time Machine ships an update fortnightly, and 余生倒数 every 6 months. Most recently, Time Machine was updated on October 24, 2026 and 余生倒数 on October 4, 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.*