Comparison

SynLink vs AstroFinish

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Broad camera compatibility (Fujifilm, Canon, Nikon, Sony)
  • Supports astronomical cameras
  • Controls equatorial mounts
  • Manages filter wheels and focusers
  • Modern and simple interface
Features
Read full description

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.

About

AstroFinish

Edit astrophotography images directly on your iPhone. Enhance deep-sky objects, clean up skies, and sharpen moon shots with specialized tools. Supports various image formats and offers batch processing for efficient editing.

Highlights
  • Auto Astro Polish
  • Deep Sky enhancement
  • Moon sharpening
  • Nebula and galaxy detail
  • Denoise and star reduction
  • Batch processing
  • RAW and FITS support
Features
Read full description

AstroFinish is a darkroom for astrophotography on iPhone. It is built for the shots that come off smart telescopes, backyard rigs, and late-night moon sessions: the ones that are almost there, but need a cleaner sky and a better finish. Start fast with Auto Astro Polish, Deep Sky, Moon Sharp, and other built-in looks. Or dial it in by hand with controls made for space photos, including black point, glow cleanup, nebula reveal, galaxy detail, denoise, star reduction, and moon sharpening. Import from Photos or Files, work with JPEG, PNG, HEIC, TIFF, RAW-style images, and FITS sessions, then export finished images or shareable before/after cards. Batch Finish helps run one look across a queue when you came home with more than one keeper. AstroFinish stays local. No account. No cloud upload. No tracking SDKs. Your captures stay on your iPhone unless you choose to share or save them. Built for: Smart telescope captures Deep-sky photos, nebulae, galaxies, star fields, and moon shots Quick fixes when the sky glow gets rude Manual finishing when you want the last word FITS reveal and stack workflows Local exports, share sheets, and before/after cards AstroFinish is for people who would rather be outside collecting photons than fighting a desktop editor at 1 a.m.

Screenshots

SynLink4 screens
AstroFinish4 screens

Verdict

The call

The clearest difference is update cadence: AstroFinish at every 4 days against SynLink's fortnightly. SynLink's advantage is device support (4 vs 1) and iOS requirement (15.0 vs 17.0). On price, rating, ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for SynLink against 5.0 for AstroFinish. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

UpkeepUpdate frequency

SynLink ships an update fortnightly, AstroFinish every 4 days. The most recent releases landed on September 11, 2026 and September 3, 2026 respectively.

Scorecard3 real differences · 6 level
SynLink versus AstroFinish: the parameters behind the verdict, then further details
ParameterSynLinkAstroFinish
PriceFreeFree
Rating5.0 (2 ratings)5.0 (4 ratings)
Number of ratings24 — better
Update frequencyFortnightlyEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod, Mac — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size203 MB11 MB
Age rating4+4+
DeveloperSuzhou UMa Technology Co., LtdCody Adams

Customer experience

SynLink

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

AstroFinish

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

SynLink

No in-app purchases

None

AstroFinish

No in-app purchases

Questions

Is SynLink free?
SynLink is free to download, with no in-app purchases.
Is AstroFinish free?
AstroFinish is free to download, with no in-app purchases.
Which has better reviews, SynLink or AstroFinish?
SynLink and AstroFinish are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.
Do SynLink or AstroFinish have ads?
Neither SynLink nor AstroFinish shows ads.
Which is updated more often, SynLink or AstroFinish?
SynLink ships an update fortnightly, and AstroFinish every 4 days. Most recently, SynLink was updated on September 11, 2026 and AstroFinish on September 3, 2026.

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