# UBio PetID vs YapScan

The clearest difference is review sentiment: YapScan at 50% against UBio PetID's 0%. YapScan also leads on update cadence (every 3 days vs monthly). UBio PetID's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

UBio PetID ships an update monthly, YapScan every 3 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | UBio PetID | YapScan |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | **Free** | Ad-supported |
| Size | 150 MB | 100 MB |
| Requires iOS | 14.0 | 14.0.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [UNION biometrics Co., Ltd.](https://appshunter.io/developer/937089081) | [Road Protect Pty Limited](https://appshunter.io/developer/1756663842) |

## What reviewers say

### UBio PetID

[App page](https://appshunter.io/ios/app/ubio-petid/id1622142110)

Easily register your dog's unique nose print for identification. Report lost dogs and utilize a search service to help reunite them with their owners. Features include biometric registration, QR code integration, and lost dog reporting.

**Highlights:** Biometric dog nose print registration, Lost dog reporting service, Lost dog finding service, QR code integration for pet ID, Automatic nose print recognition

**In-app purchases:** none


### YapScan

[App page](https://appshunter.io/ios/app/yapscan/id6532596385)

This app uses AI to identify your dog by scanning its nose, offering a free alternative to traditional pet ID methods. It helps reunite lost pets by matching nose prints and allows you to manage multiple pet profiles.

**Highlights:** AI-powered dog nose scanning, Free alternative to microchips, Lost pet reunification feature, Manage multiple pet profiles, Share with friends and family

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UBio PetID free?

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

### Is YapScan free?

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

### Do UBio PetID or YapScan have ads?

YapScan shows ads; UBio PetID does not.

### Which is updated more often, UBio PetID or YapScan?

UBio PetID ships an update monthly, and YapScan every 3 days. Most recently, UBio PetID was updated on November 3, 2026 and YapScan on October 30, 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.*