Space Images vs SynLink
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Space Images
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Discover a new NASA space image every day with a short explanation. Search by date, save your favorites, download images in standard or HD quality, and share them from your iPhone.
SynLink
This professional controller facilitates astrophotography by offering broad compatibility with major camera brands and astronomical equipment. Its design emphasizes simplicity, restraint, and modernity for an intuitive user experience.
- Broad camera compatibility (Fujifilm, Canon, Nikon, Sony)
- Supports astronomical cameras
- Controls equatorial mounts
- Manages filter wheels and focusers
- Modern and simple interface
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It offers seamless compatibility with most mainstream cameras, including Fujifilm, Canon, Nikon, and Sony, as well as the majority of astronomical cameras, equatorial mounts, filter wheels, focusers, rotators, and flat panel devices on the market. SynLink is being developed by following the design philosophy of simplicity, restraint, and modernity.
Screenshots
Verdict
The clearest difference is in-app purchases: SynLink at none against Space Images's 1. SynLink also leads on device support (4 vs 2) and iOS requirement (15.0 vs 18.0). On price, update cadence and ads 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. Space Images sells 1 one-off in-app purchase. SynLink asks for nothing beyond the download.
Space Images ships an update every 3 weeks, SynLink fortnightly. The most recent releases landed on October 11, 2026 and October 25, 2026 respectively.
| Parameter | Space Images | SynLink |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.3 (3 ratings) — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 20 MB | 221 MB |
| Age rating | 9+ | 4+ |
| Developer | Ezequiel Barreto | Suzhou UMa Technology Co., Ltd |
In-app purchases
Space Images
- Remove Ads$0.99
SynLink
No in-app purchases
