# True Solar Time vs Sunsync

The clearest difference is in-app purchases: Sunsync at none against True Solar Time's 1. True Solar Time's advantage is update cadence (every 5 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. True Solar Time sells 1 one-off in-app purchase. Sunsync asks for nothing beyond the download.

True Solar Time ships an update every 5 weeks, Sunsync every 4 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | True Solar Time | Sunsync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (15 ratings)](https://appshunter.io/ios/app/true-solar-time/id1460590769/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 53.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 43 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kazansky Apps](https://appshunter.io/developer/1460590768) | [Clusia LLC](https://appshunter.io/developer/1585054563) |

## What reviewers say

### True Solar Time

[App page](https://appshunter.io/ios/app/true-solar-time/id1460590769)

This application displays the actual solar time based on your location and the Earth's rotation. It shows sunrise, sunset, and midday times, helping you understand your position relative to the sun. Features include location and date selection, a list of muhurtas, and easy-to-read fonts.

**Highlights:** True Solar Time display, Sunrise and sunset times, Midday time calculation, Location selection, Date selection, List of muhurtas, Easy-to-read fonts and colors

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $2.99 | one-time |


### Sunsync

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is True Solar Time free?

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

### Is Sunsync free?

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

### Do True Solar Time or Sunsync have ads?

Neither True Solar Time nor Sunsync shows ads.

### Which is updated more often, True Solar Time or Sunsync?

True Solar Time ships an update every 5 weeks, and Sunsync every 4 months. Most recently, True Solar Time was updated on October 25, 2026 and Sunsync on October 25, 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.*