# Track Sun vs Lunar age

The clearest difference is in-app purchases: Track Sun at none against Lunar age's 1. Lunar age's advantage is update cadence (monthly vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Lunar age sells 1 one-off in-app purchase. Track Sun asks for nothing beyond the download.

Track Sun ships an update every 5 months, Lunar age monthly. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Track Sun | Lunar age |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Size | 43 MB | 31 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SynUe Tech. Co., Ltd](https://appshunter.io/developer/1475652738) | [akira ohmachi](https://appshunter.io/developer/1338624340) |

## What reviewers say

### Track Sun

[App page](https://appshunter.io/ios/app/track-sun/id6737474745)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lunar age

[App page](https://appshunter.io/ios/app/lunar-age/id6742277670)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Track Sun free?

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

### Is Lunar age free?

Lunar age is free to download, with in-app purchases available.

### Do Track Sun or Lunar age have ads?

Neither Track Sun nor Lunar age shows ads.

### Which is updated more often, Track Sun or Lunar age?

Track Sun ships an update every 5 months, and Lunar age monthly. Most recently, Track Sun was updated on November 4, 2026 and Lunar age on November 3, 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.*