SkyAtlas vs See Sailing
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
Read full descriptionHide full description
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.
See Sailing
Read full descriptionHide full description
This is the IOS front end for See Sailing. Collects and uploads data from the See Sailing N2K gateway and NMEA over WiFi.
Screenshots
Verdict
SkyAtlas and See Sailing 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.
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. Neither carries in-app purchases, so what you see is what you pay.
SkyAtlas ships an update monthly, See Sailing every 2 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.
| Parameter | SkyAtlas | See Sailing |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (17 ratings) — better | — |
| Positive reviews | 40.0% of reviews | — |
| Number of ratings | 17 — better | — |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 911 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | SuZhou ZWO Co., Ltd | Atomic Droplet |
In-app purchases
SkyAtlas
No in-app purchases
See Sailing
No in-app purchases
