# PetMateAI vs Cold Case Trace

The clearest difference is ads: Cold Case Trace at none against PetMateAI's shown. PetMateAI's advantage is iOS requirement (13.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. PetMateAI sells 2 in-app purchases, starting at $1.99 per month and Cold Case Trace sells 7 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | PetMateAI | Cold Case Trace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (67 ratings)](https://appshunter.io/ios/app/cold-case-trace-redstring/id6788852743/reviews)** |
| Number of ratings | — | **67** |
| Positive reviews | — | 28.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 9 days |
| Monetization | — | Freemium |
| Size | 41 MB | 64 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [ShenZhen MeiMi Network Technologies CO., LTD.](https://appshunter.io/developer/522348883) | [Oguzhan Yildirim](https://appshunter.io/developer/1685663174) |

## What reviewers say

### PetMateAI

[App page](https://appshunter.io/ios/app/petmateai-pet-recognition-as/id6785727650)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Upgrade | $1.99 | per month |
| Premium Upgrade | $9.99 | per year |


### Cold Case Trace

[App page](https://appshunter.io/ios/app/cold-case-trace-redstring/id6788852743)

Uncover the truth by examining a simulated phone's messages, photos, and data. Connect clues on an evidence board and accuse the killer in this interactive detective story. Your first case is free to play.

**Highlights:** Simulated phone with chats, photos, and data, Interactive live chat with client, Evidence board with red string connections, Escalating hint system, Multiple European case locations, Unlockable cases via subscription

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Redstring Pass — Weekly | $6.99 | per 7 days |
| Annual Pass — Special Offer | $19.99 | per year |
| Redstring Pass — Annual | $39.99 | per year |
| Reveal the Answer | $1.99 | one-time |
| 5 Reveals | $4.99 | one-time |
| 10 Reveals | $7.99 | one-time |
| All Cases — Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is PetMateAI free?

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

### Is Cold Case Trace free?

Cold Case Trace is free to download, with in-app purchases available.

### Do PetMateAI or Cold Case Trace have ads?

PetMateAI shows ads; Cold Case Trace does not.

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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.*