# HalfMoon Browser vs Slimm

The clearest difference is update cadence: Slimm at every 3 days against HalfMoon Browser's fortnightly. HalfMoon Browser's advantage is iOS requirement (16.0 vs 18). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. HalfMoon Browser sells 1 one-off in-app purchase and Slimm sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

HalfMoon Browser ships an update fortnightly, Slimm every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | HalfMoon Browser | Slimm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 5 MB | 2 MB |
| Requires iOS | **16.0** | 18 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Kotaro Tominaga](https://appshunter.io/developer/1882987496) | [君 周](https://appshunter.io/developer/1745278927) |

## What reviewers say

### HalfMoon Browser

[App page](https://appshunter.io/ios/app/halfmoon-browser/id6762731695)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro 版へアップグレード | $1.99 | one-time |


### Slimm

[App page](https://appshunter.io/ios/app/slimm-free-up-cloud-space/id6776470840)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Slimm Pro | $3.99 | one-time |


## Frequently asked questions

### Is HalfMoon Browser free?

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

### Is Slimm free?

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

### Do HalfMoon Browser or Slimm have ads?

Neither HalfMoon Browser nor Slimm shows ads.

### Which is updated more often, HalfMoon Browser or Slimm?

HalfMoon Browser ships an update fortnightly, and Slimm every 3 days. Most recently, HalfMoon Browser was updated on October 24, 2026 and Slimm on October 24, 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.*