# Time Machine vs Sunsync

The clearest difference is in-app purchases: Sunsync at none against Time Machine's 2. Sunsync also leads on ads (none vs shown). Time Machine's advantage is update cadence (fortnightly vs every 9 months). On price, device support and iOS requirement there is nothing between them.

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

Time Machine ships an update fortnightly, Sunsync every 9 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Time Machine | Sunsync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/time-machine-life-clock/id1502507360/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 9 months |
| Monetization | Free with in-app purchases | — |
| Size | 71 MB | 95 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [红升 孙](https://appshunter.io/developer/1502418960) | [Clusia LLC](https://appshunter.io/developer/1585054563) |

## What reviewers say

### Time Machine

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

Visualize your life's timeline and track important dates. This app helps you see how much time has passed, count down to future events, and preserve memories with photos and messages. It also allows you to create time capsules for your future self.

**Highlights:** Visualize time lived, Track week, month, and year progress, Countdown to future events, Save memories with photos and text, Create time capsules for future self

**Features:** macOS Compatibility, Vision Pro support, iPhone Duo 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 |


### Sunsync

[App page](https://appshunter.io/ios/app/sunsync/id6469003195)

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

**In-app purchases:** none


## Frequently asked questions

### Is Time Machine free?

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

### Is Sunsync free?

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

### Do Time Machine or Sunsync have ads?

Time Machine shows ads; Sunsync does not.

### Which is updated more often, Time Machine or Sunsync?

Time Machine ships an update fortnightly, and Sunsync every 9 months. Most recently, Time Machine was updated on November 3, 2026 and Sunsync on November 7, 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.*