SkyAtlas vs SplitFlap Display
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SkyAtlas
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.
- 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
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SkyAtlas is the control app for ZWO AM series mounts, with Bluetooth support for ZWO EAF. Use your phone to control the mount and focuser with ease. The built-in star map includes thousands of stars and deep-sky objects. "Best Tonight" recommends the best targets in your current sky. Tap GoTo, and the mount automatically tracks your chosen object. Preview your telescope's aim and frame shots right on your screen—what you see is where it points. Switch between equatorial and alt-az modes with one tap. SkyAtlas, explore the night sky, simplified.
SplitFlap Display
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SplitFlap for iPhone and iPad is the handheld way to create, show, and control split-flap boards. Use the device in your hand as a live SplitFlap display for clocks, countdowns, weather, headlines, and custom messages. When you want a bigger screen, use the same iPhone or iPad as the setup screen and remote for SplitFlap running on Apple TV or Mac. Version 3.0 lets each device play the role that suits the setup: display on itself, configure another screen, or control a shared Apple TV or Mac display. Terms of Use (EULA): https://learn.lanchesterresearchanddesign.com/terms Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | SkyAtlas | SplitFlap Display |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (17 ratings) — better | — |
| Positive reviews | 40.0% of reviews | — |
| Number of ratings | 17 — better | — |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac, Apple TV — better |
| Requires iOS | 11.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 911 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | SuZhou ZWO Co., Ltd | Thomas Richardson |
In-app purchases
SkyAtlas
No in-app purchases
SplitFlap Display
- SplitFlap Weekly$0.997 Days
- SplitFlap Monthly$2.491 Month
- SplitFlap Yearly$24.991 Year
- SplitFlap Lifetime$49.99
Questions
Is SkyAtlas free?
Is SplitFlap Display free?
Do SkyAtlas or SplitFlap Display have ads?
Which is updated more often, SkyAtlas or SplitFlap Display?
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