# SkyAtlas vs SplitFlap Display

The clearest difference is in-app purchases: SkyAtlas at none against SplitFlap Display's 4. SkyAtlas also leads on iOS requirement (11.0 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SplitFlap Display sells 4 in-app purchases, starting at $0.99 per 7 days. SkyAtlas asks for nothing beyond the download.

SkyAtlas ships an update monthly, SplitFlap Display every 3 weeks. The most recent releases landed on August 25, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | SkyAtlas | SplitFlap Display |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (17 ratings)](https://appshunter.io/ios/app/skyatlas/id1616449238/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 911 MB | 50 MB |
| Requires iOS | **11.0** | 18.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [SuZhou ZWO Co., Ltd](https://appshunter.io/developer/1367782033) | [Thomas Richardson](https://appshunter.io/developer/1887851473) |

## What reviewers say

### SkyAtlas

[App page](https://appshunter.io/ios/app/skyatlas/id1616449238)

Explore the night sky with a digital atlas and control your telescope mount. Plan astrophotography compositions with simulated camera fields of view and track celestial objects in real-time. Features one-click GoTo and mode switching for an enhanced stargazing experience.

**Highlights:** Digital sky atlas exploration, Telescope mount control (ZWO ASI), Simulated camera field of view, Real-time telescope pointing display, One-click GoTo functionality, Object tracking, EQ and AltAz mode switching

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

**In-app purchases:** none


### SplitFlap Display

[App page](https://appshunter.io/ios/app/splitflap-display/id6761390167)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SplitFlap Weekly | $0.99 | per 7 days |
| SplitFlap Monthly | $2.49 | per month |
| SplitFlap Yearly | $24.99 | per year |
| SplitFlap Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is SkyAtlas free?

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

### Is SplitFlap Display free?

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

### Do SkyAtlas or SplitFlap Display have ads?

Neither SkyAtlas nor SplitFlap Display shows ads.

### Which is updated more often, SkyAtlas or SplitFlap Display?

SkyAtlas ships an update monthly, and SplitFlap Display every 3 weeks. Most recently, SkyAtlas was updated on August 25, 2026 and SplitFlap Display on August 27, 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.*