# PetLink ACO vs Instachew Infinity

The clearest difference is rating: Instachew Infinity at 2.6 against PetLink ACO's 1.8. Instachew Infinity also leads on review sentiment (45% vs 12%) and ratings volume (290 vs 28). PetLink ACO's advantage is update cadence (every 9 days vs every 5 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Instachew Infinity holds the better App Store score, 2.6 against 1.8. That said, the two scores are not equally well evidenced: Instachew Infinity has 290 ratings behind it against 28, so its average is the more settled of the two. Written reviews point the same way: 12% of PetLink ACO's written reviews are positive against 45% of Instachew Infinity's.

PetLink ACO ships an update every 9 days, Instachew Infinity every 5 weeks. The most recent releases landed on September 7, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | PetLink ACO | Instachew Infinity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (28 ratings)](https://appshunter.io/ios/app/petlink-aco/id1557148500/reviews) | **[2.6 (290 ratings)](https://appshunter.io/ios/app/instachew-infinity/id1579259930/reviews)** |
| Number of ratings | 28 | **290** |
| Positive reviews | 11.8% of reviews | **44.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 67 MB | 210 MB |
| Requires iOS | 15.6 | **13** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Datamars SA](https://appshunter.io/developer/899066582) | [Instachew](https://appshunter.io/developer/1258413621) |

## What reviewers say

### 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


### Instachew Infinity

[App page](https://appshunter.io/ios/app/instachew-infinity/id1579259930)

Manage your pet's connected devices remotely. This app allows you to control your pet products, connect to a device ecosystem, and share access with others. It simplifies pet care through easy device management.

**Highlights:** Remote control of pet products, Pet device ecosystem integration, Device sharing capabilities, Easy device connections

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 👍 Functional camera and app
- 🚀 Simple setup
- 👍 Good camera quality
- 👍 Affordable

**What reviewers complain about**

- 🐛 App crashes and freezes
- 🐛 Unreliable connectivity
- 🐛 Buggy app with poor UI
- 🐛 Frequent login issues
- 🐛 Notifications not working

**Reported bugs**

- App crashing on launch
- Unable to connect cameras to the app
- Feeding schedules not working as expected
- Inconsistent video quality and lag
- Subscription issues and unexpected charges

**Requested features**

- Allow multiple users to access the same camera
- Add more customization options for feeding schedules
- Improve video playback and recording features
- Provide better in-app support and troubleshooting


## Frequently asked questions

### Is PetLink ACO free?

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

### Is Instachew Infinity free?

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

### Which has better reviews, PetLink ACO or Instachew Infinity?

Instachew Infinity is rated higher. PetLink ACO averages 1.8 out of 5 from 28 ratings, while Instachew Infinity averages 2.6 from 290 ratings.

### Do PetLink ACO or Instachew Infinity have ads?

Neither PetLink ACO nor Instachew Infinity shows ads.

### Which is updated more often, PetLink ACO or Instachew Infinity?

PetLink ACO ships an update every 9 days, and Instachew Infinity every 5 weeks. Most recently, PetLink ACO was updated on September 7, 2026 and Instachew Infinity on September 19, 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.*