# SkyAtlas vs See Sailing

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.

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.

## The numbers

| Metric | SkyAtlas | See Sailing |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 911 MB | 30 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SuZhou ZWO Co., Ltd](https://appshunter.io/developer/1367782033) | [Atomic Droplet](https://appshunter.io/developer/412509860) |

## 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


### See Sailing

[App page](https://appshunter.io/ios/app/see-sailing/id6673886027)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SkyAtlas free?

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

### Is See Sailing free?

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

### Do SkyAtlas or See Sailing have ads?

Neither SkyAtlas nor See Sailing shows ads.

### Which is updated more often, SkyAtlas or See Sailing?

SkyAtlas ships an update monthly, and See Sailing every 2 months. Most recently, SkyAtlas was updated on November 3, 2026 and See Sailing on November 8, 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.*