StarEdit vs SynLink
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StarEdit
Easily remove stars from your galaxy photos to make intuitive edits. Adjust star count, size, and saturation, then combine starless and star images for social media. This app uses AI for convenient mobile editing.
- Instantly remove stars from photos
- Adjust star count, size, and saturation
- Apply curve and color adjustments
- Combine starless and star images
- AI-powered mobile editing
- Edit target and sky in starless images
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A specialised app to instantly remove stars from your photo so that you can make intuitive changes to your galaxy. Then add back the stars. Besides applying curve and color to your galaxy/nebulae, you could also adjust the number of star, size of star and saturation of star. Then combine the starless and star into a single image for your social media post. Traditionally, user has to download and remove stars on a laptop. This app makes it convenient and easy to do it on the phone using AI. Workflow: 1) Starless > Curve > Color 2) Star > Curve > Color 3) Both > Curve > Color Additional editing for Target and Sky in the Starless image if device has 4G RAM or more. Note: - The app is designed for seestar image of resolution 1080 x 1920 pixels. Larger image will need longer time to load and remove stars. Requirement: - App works best with 4G RAM and above. If the device has less than 4G RAM, it will use lesser weights for AI and produce degraded image. - Image is optimised at 1920 x 1080 pixels. Support: Please write to ustransit74@gmail.com. If the app does not process the stars in your image correctly, please send me your original photo. I will add your photo to the next AI training. A new app update will then be release. Video tutorial is available at https://www.instagram.com/ycbsl
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 rating: SynLink at 5.0 against StarEdit's 4.8. On price, ratings volume, 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. Neither carries in-app purchases, so what you see is what you pay.
SynLink holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 2 respectively.
StarEdit ships an update every 3 weeks, SynLink fortnightly. The most recent releases landed on September 7, 2026 and September 11, 2026 respectively.
| Parameter | StarEdit | SynLink |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 4 — better | 2 |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 12 MB | 203 MB |
| Age rating | 4+ | 4+ |
| Developer | yong chong loh | Suzhou UMa Technology Co., Ltd |
Customer experience
StarEdit
SynLink
In-app purchases
StarEdit
No in-app purchases
SynLink
No in-app purchases







