# SKYEMS vs AppAtlas Explorer

The clearest difference is in-app purchases: SKYEMS at none against AppAtlas Explorer's 3. SKYEMS also leads on ads (none vs shown). AppAtlas Explorer's advantage is update cadence (every 4 days vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. AppAtlas Explorer sells 3 in-app purchases, starting at $0.99 per month. SKYEMS asks for nothing beyond the download.

SKYEMS ships an update every 4 months, AppAtlas Explorer every 4 days. The most recent releases landed on October 8, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SKYEMS | AppAtlas Explorer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 4 days** |
| Size | 22 MB | 13 MB |
| Requires iOS | 18.6 | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 4+ |
| Developer | [Beijing chunzuomunian Technology Co., Ltd](https://appshunter.io/developer/1509386932) | [YUTAKA MIMURA](https://appshunter.io/developer/1865174244) |

## What reviewers say

### SKYEMS

[App page](https://appshunter.io/ios/app/skyems/id1503282837)

**Features:** macOS Compatibility

**In-app purchases:** none


### AppAtlas Explorer

[App page](https://appshunter.io/ios/app/appatlas-explorer/id6760437100)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AppAtlas ExplorerPro (Monthly) | $0.99 | per month |
| Support Development (Small) | $0.99 | one-time |
| Support Development (Large) | $9.99 | one-time |


## Frequently asked questions

### Is SKYEMS free?

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

### Is AppAtlas Explorer free?

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

### Do SKYEMS or AppAtlas Explorer have ads?

AppAtlas Explorer shows ads; SKYEMS does not.

### Which is updated more often, SKYEMS or AppAtlas Explorer?

SKYEMS ships an update every 4 months, and AppAtlas Explorer every 4 days. Most recently, SKYEMS was updated on October 8, 2026 and AppAtlas Explorer on October 25, 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.*