# Time Machine vs Sun Based Time

The clearest difference is rating: Time Machine at 4.5 against Sun Based Time's 4.0. Time Machine also leads on ratings volume (11 vs 2). Sun Based Time's advantage is in-app purchases (none vs 2) and ads (none vs shown). 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. Sun Based Time asks for nothing beyond the download.

Time Machine holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Time Machine has 11 ratings behind it against 2, so its average is the more settled of the two.

## The numbers

| Metric | Time Machine | Sun Based Time |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/time-machine-life-clock/id1502507360/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/sun-based-time/id6762237121/reviews) |
| Number of ratings | **11** | 2 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 71 MB | 57 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [红升 孙](https://appshunter.io/developer/1502418960) | [JAVED SHAH](https://appshunter.io/developer/1893499163) |

## 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 |


### Sun Based Time

[App page](https://appshunter.io/ios/app/sun-based-time/id6762237121)

This app uses the sun's position to help you schedule your day and set alarms. It offers features like countdowns to sunrise and sunset, and alarms based on solar events or desired sleep duration. Visualize the sun's path and integrate with your calendar for a natural approach to time management.

**Highlights:** Sun-based clock, Countdown to sunrise/sunset, Visualize sun's path, Alarms by sun position, Wake by sleep duration, Sleep window by sunset/sunrise, Calendar integration

**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 Sun Based Time free?

Sun Based Time is free to download, with no in-app purchases.

### Which has better reviews, Time Machine or Sun Based Time?

Time Machine is rated higher. Time Machine averages 4.5 out of 5 from 11 ratings, while Sun Based Time averages 4.0 from 2 ratings.

### Do Time Machine or Sun Based Time have ads?

Time Machine shows ads; Sun Based Time does not.

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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.*