# Biiun vs Moon Safe

The clearest difference is in-app purchases: Moon Safe at none against Biiun's 1. Moon Safe also leads on update cadence (weekly vs every 3 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Biiun sells 1 one-off in-app purchase. Moon Safe asks for nothing beyond the download.

Biiun ships an update every 3 weeks, Moon Safe weekly. The most recent releases landed on October 28, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Biiun | Moon Safe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/biiun/id6686408418/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 5 MB | 19 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Igor Biiunov](https://appshunter.io/developer/1768640397) | [MOON SAFE DEVELOPMENT LTD](https://appshunter.io/developer/1875898737) |

## What reviewers say

### Biiun

[App page](https://appshunter.io/ios/app/biiun/id6686408418)

This personal finance manager helps you track income and expenses, set budgets, and manage debts. It offers AI-driven financial insights, currency conversion, and a unique diary to reflect on spending's emotional impact.

**Highlights:** Track income & expenses, Set budgets & goals, Deep financial analysis, Debts & loans management, AI financial consultant, Built-in currency converter, Diary of emotions

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full access | $9.99 | one-time |


### Moon Safe

[App page](https://appshunter.io/ios/app/moon-safe/id6758944687)

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

**In-app purchases:** none


## Frequently asked questions

### Is Biiun free?

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

### Is Moon Safe free?

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

### Do Biiun or Moon Safe have ads?

Neither Biiun nor Moon Safe shows ads.

### Which is updated more often, Biiun or Moon Safe?

Biiun ships an update every 3 weeks, and Moon Safe weekly. Most recently, Biiun was updated on October 28, 2026 and Moon Safe on October 18, 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.*