# Moontra vs Sub

The clearest difference is in-app purchases: Moontra at none against Sub's 2. Moontra also leads on iOS requirement (13.0 vs 15.1). Sub's advantage is ads (none vs shown) and update cadence (every 3 days vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. Sub sells 2 in-app purchases, starting at $3.99 per month. Moontra asks for nothing beyond the download.

Moontra ships an update every 3 weeks, Sub every 3 days. The most recent releases landed on August 5, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Moontra | Sub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/moontra/id6759476375/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 22 MB | 48 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Veronica Gutierrez](https://appshunter.io/developer/1878868239) | [Berkan ARIKAN](https://appshunter.io/developer/1896728571) |

## What reviewers say

### Moontra

[App page](https://appshunter.io/ios/app/moontra/id6759476375)

Track the moon's phases and celestial events with this lunar companion. It provides real-time moon phase information, upcoming full and new moons, and eclipse tracking. Stay connected to the lunar cycle with a simple and elegant interface.

**Highlights:** Real-time moon phase viewing, Full moon and new moon tracking, Eclipse event discovery, Lunar calendar dates, Optional event notifications, Sky insights

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

**In-app purchases:** none


### Sub

[App page](https://appshunter.io/ios/app/sub-couples-journal/id6770263181)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sub Pro Monthly | $3.99 | per month |
| Sub Pro Annual | $34.99 | per year |


## Frequently asked questions

### Is Moontra free?

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

### Is Sub free?

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

### Do Moontra or Sub have ads?

Moontra shows ads; Sub does not.

### Which is updated more often, Moontra or Sub?

Moontra ships an update every 3 weeks, and Sub every 3 days. Most recently, Moontra was updated on August 5, 2026 and Sub on September 10, 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.*