# Time Machine vs Sun Based Time

The clearest difference is rating: Sun Based Time at 5.0 against Time Machine's 4.5. Sun Based Time also leads on in-app purchases (none vs 2) and ads (none vs shown). Time Machine's advantage is ratings volume (10 vs 1) and iOS requirement (13 vs 15.1). 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. Sun Based Time asks for nothing beyond the download.

Sun Based Time holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Time Machine has 10 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Time Machine | Sun Based Time |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (10 ratings)](https://appshunter.io/ios/app/time-machine-mind-your-time/id1502507360/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sun-based-time/id6762237121/reviews)** |
| Number of ratings | **10** | 1 |
| 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 | 58 MB | 57 MB |
| Requires iOS | **13** | 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-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 |


### 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?

Sun Based Time is rated higher. Time Machine averages 4.5 out of 5 from 10 ratings, while Sun Based Time averages 5.0 from 1 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.*