# PetScan vs PetLink ACO

The clearest difference is rating: PetLink ACO at 1.8 against PetScan's 1.0. PetLink ACO also leads on update cadence (every 9 days vs every 10 months) and ratings volume (28 vs 2). PetScan's advantage is iOS requirement (12.0 vs 15.6). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

PetLink ACO holds the better App Store score, 1.8 against 1.0. That said, the two scores are not equally well evidenced: PetLink ACO has 28 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 11% and 12% positive.

PetScan ships an update every 10 months, PetLink ACO every 9 days. The most recent releases landed on September 19, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | PetScan | PetLink ACO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/petscan/id1450839727/reviews) | **[1.8 (28 ratings)](https://appshunter.io/ios/app/petlink-aco/id1557148500/reviews)** |
| Number of ratings | 2 | **28** |
| Positive reviews | 11.1% of reviews | **11.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 24 MB | 67 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [ATRIA-TRADING](https://appshunter.io/developer/1441232309) | [Datamars SA](https://appshunter.io/developer/899066582) |

## What reviewers say

### PetScan

[App page](https://appshunter.io/ios/app/petscan/id1450839727)

This utility app connects to compatible RFID readers for iOS devices to scan and manage pet chip information. It allows users to record scan history, modify chip memory with contact details, and assign pet owner information, including pictures. Data can be exported as spreadsheets and visualized on a map.

**Highlights:** Connects to RFID readers, Initiates scans from iOS device, Records scan history, Modifies RFID chip memory, Assigns pet owner details and photos, Exports data to spreadsheets, Visualizes scan locations on a map

**In-app purchases:** none


### PetLink ACO

[App page](https://appshunter.io/ios/app/petlink-aco/id1557148500)

This app enables US animal professionals to quickly look up owner details for lost pets using microchip numbers. It facilitates submitting found pet reports and provides access to pet photos and medical information for faster reunification.

**Highlights:** Microchip number lookup via keypad or voice, Camera capture of microchip reader display, Search across PetLink, Backtrack, and AAHA databases, Submit found pet reports in 4 clicks, View pet photos and medical details, Facilitates pet-owner reunification

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PetScan free?

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

### Is PetLink ACO free?

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

### Which has better reviews, PetScan or PetLink ACO?

PetLink ACO is rated higher. PetScan averages 1.0 out of 5 from 2 ratings, while PetLink ACO averages 1.8 from 28 ratings.

### Do PetScan or PetLink ACO have ads?

Neither PetScan nor PetLink ACO shows ads.

### Which is updated more often, PetScan or PetLink ACO?

PetScan ships an update every 10 months, and PetLink ACO every 9 days. Most recently, PetScan was updated on September 19, 2026 and PetLink ACO on September 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*