# SynLink vs Feather Trove

The clearest difference is in-app purchases: SynLink at none against Feather Trove's 2. SynLink also leads on device support (4 vs 1) and iOS requirement (15.0 vs 18.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Feather Trove sells 2 in-app purchases, starting at $6.99 per 7 days. SynLink asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for SynLink against 5.0 for Feather Trove. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

SynLink ships an update fortnightly, Feather Trove every 10 days. The most recent releases landed on September 30, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | SynLink | Feather Trove |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/synlink/id6739761466/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/feather-trove/id6796560192/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | **Free** | Subscription |
| Size | 199 MB | 95 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Suzhou UMa Technology Co., Ltd](https://appshunter.io/developer/1786910791) | [Ash Apps Inc.](https://appshunter.io/developer/420194080) |

## What reviewers say

### SynLink

[App page](https://appshunter.io/ios/app/synlink/id6739761466)

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:** Vision Pro support

**In-app purchases:** none


### Feather Trove

[App page](https://appshunter.io/ios/app/feather-trove/id6796560192)

This app privately scans your existing photo library to identify birds. It suggests species, helps you build a personal life list, and allows you to create shareable bird cards. All processing happens on your device, keeping your photos private.

**Highlights:** Scan photo library for bird photos, On-device species suggestions, Build personal bird life list, Map bird photo locations, Group sightings into bird walks, Create and share bird cards, Export life list as CSV

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Feather Trove Pro Weekly | $6.99 | per 7 days |
| Feather Trove Pro | $39.99 | per year |


## Frequently asked questions

### Is SynLink free?

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

### Is Feather Trove free?

Feather Trove is free to download, with in-app purchases available.

### Which has better reviews, SynLink or Feather Trove?

SynLink and Feather Trove are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do SynLink or Feather Trove have ads?

Neither SynLink nor Feather Trove shows ads.

### Which is updated more often, SynLink or Feather Trove?

SynLink ships an update fortnightly, and Feather Trove every 10 days. Most recently, SynLink was updated on September 30, 2026 and Feather Trove on September 26, 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.*