# MagicLockBox vs Acuter Sky

MagicLockBox and Acuter Sky are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | MagicLockBox | Acuter Sky |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 3 MB | 138 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SYSTEM DESIGN CORP](https://appshunter.io/developer/510277744) | [Jiangsu Mark Optoelectronic Instrument Co., Ltd](https://appshunter.io/developer/1683472214) |

## What reviewers say

### MagicLockBox

[App page](https://appshunter.io/ios/app/magiclockbox/id1593575098)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Acuter Sky

[App page](https://appshunter.io/ios/app/acuter-sky/id6448405217)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MagicLockBox free?

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

### Is Acuter Sky free?

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

### Do MagicLockBox or Acuter Sky have ads?

Neither MagicLockBox nor Acuter Sky shows ads.

### Which is updated more often, MagicLockBox or Acuter Sky?

MagicLockBox ships an update every 2 months, and Acuter Sky every 2 months. Most recently, MagicLockBox was updated on October 11, 2026 and Acuter Sky on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*