# loob vs True Solar Time （真太陽時）

The clearest difference is in-app purchases: loob at none against True Solar Time （真太陽時）'s 1. loob also leads on ads (none vs shown) and iOS requirement (11.0 vs 13.0). True Solar Time （真太陽時）'s advantage is update cadence (every 5 days vs every 4 months). On price and device support there is nothing between them.

Both are free to download. True Solar Time （真太陽時） sells 1 one-off in-app purchase. loob asks for nothing beyond the download.

loob ships an update every 4 months, True Solar Time （真太陽時） every 5 days. The most recent releases landed on October 18, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | loob | True Solar Time （真太陽時） |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 5 days** |
| Size | 60 MB | 24 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [JOYROID, K.K.](https://appshunter.io/developer/1700819013) | [Tsz Fung Shing](https://appshunter.io/developer/1877613702) |

## What reviewers say

### loob

[App page](https://appshunter.io/ios/app/loob/id6443950159)

**Features:** macOS Compatibility

**In-app purchases:** none


### True Solar Time （真太陽時）

[App page](https://appshunter.io/ios/app/true-solar-time/id6759240543)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 購買移除廣告 | $4.99 | one-time |


## Frequently asked questions

### Is loob free?

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

### Is True Solar Time （真太陽時） free?

True Solar Time （真太陽時） is free to download, with in-app purchases available.

### Do loob or True Solar Time （真太陽時） have ads?

True Solar Time （真太陽時） shows ads; loob does not.

### Which is updated more often, loob or True Solar Time （真太陽時）?

loob ships an update every 4 months, and True Solar Time （真太陽時） every 5 days. Most recently, loob was updated on October 18, 2026 and True Solar Time （真太陽時） on October 6, 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.*