# PetScanner vs Knotic

The clearest difference is update cadence: Knotic at daily against PetScanner's every 10 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PetScanner sells 11 in-app purchases, starting at $2.99 per 3 months and Knotic sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PetScanner ships an update every 10 days, Knotic daily. The most recent releases landed on October 12, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | PetScanner | Knotic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.2 (51 ratings)](https://appshunter.io/ios/app/petscanner/id1447633547/reviews)** | — |
| Number of ratings | **51** | — |
| Positive reviews | 3.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 58 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Petscanner](https://appshunter.io/developer/1447633546) | [Zehra Demir](https://appshunter.io/developer/6804820714) |

## What reviewers say

### PetScanner

[App page](https://appshunter.io/ios/app/petscanner/id1447633547)

This app facilitates pet microchip registration and identification for owners and professionals. It helps reunite lost pets quickly by scanning microchips and providing contact information for registered pets. It also guides users on next steps for unregistered or externally registered pets.

**Highlights:** Microchip registration, Contact detail updates, Smart microchip scanner pairing, FDX-B microchip reading, Lost pet reunification support, Database identification

**Features:** Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quarterly subscription, 1 pet | $2.99 | per 3 months |
| Quarterly subscription, 2 pets | $5.99 | per 3 months |
| Quarterly subscription, 3 pets | $8.49 | per 3 months |
| Quarterly subscription, 5 pets | $12.49 | per 3 months |
| Quarterly subscription, 6 pets | $14.49 | per 3 months |
| Quarterly subscription 12 pets | $26.49 | per 3 months |
| Quarterly subscription 16 pets | $32.99 | per 3 months |
| Quarterly subscription 17 pets | $33.99 | per 3 months |
| Quarterly subscription 18 pets | $34.99 | per 3 months |
| Quarterly subscription 19 pets | $35.99 | per 3 months |
| Quarterly subscription 20 pets | $36.99 | per 3 months |

**What reviewers like**

- 👍 Massive improvement since update
- 👍 Scanners can be used multiple times
- 👍 Customer service from Kieran was helpful

**What reviewers complain about**

- 🐛 App keeps stopping working
- 🐛 App keeps freezing
- 🐛 Barcode scanner does not work
- 🐛 Entering chip number manually closes app
- 🐛 Cannot log into account

**Reported bugs**

- App keeps stopping/freezing
- Barcode scanner not working
- App closes when entering chip number manually
- Login issues
- Subscription automatically added

**Requested features**

- Add dark mode option
- Improve scanning functionality
- Allow manual entry of chip number without crashing
- Fix website login issues
- Provide clear information about scanner requirement upfront


### Knotic

[App page](https://appshunter.io/ios/app/knotic-patterns-for-creators/id6804820712)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knotic Premium Weekly | $4.99 | per 7 days |
| Knotic Premium Monthly | $6.99 | per month |
| Knotic Premium Yearly | $49.99 | per year |
| Knotic Premium Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is PetScanner free?

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

### Is Knotic free?

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

### Do PetScanner or Knotic have ads?

Neither PetScanner nor Knotic shows ads.

### Which is updated more often, PetScanner or Knotic?

PetScanner ships an update every 10 days, and Knotic daily. Most recently, PetScanner was updated on October 12, 2026 and Knotic on September 17, 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.*