# Cold Case Trace vs TeaSpy

The clearest difference is ads: Cold Case Trace at none against TeaSpy's shown. Cold Case Trace also leads on update cadence (every 9 days vs monthly). TeaSpy's advantage is iOS requirement (16.4 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Cold Case Trace sells 7 in-app purchases, starting at $6.99 per 7 days and TeaSpy sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Cold Case Trace ships an update every 9 days, TeaSpy monthly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Cold Case Trace | TeaSpy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (63 ratings)](https://appshunter.io/ios/app/cold-case-trace-redstring/id6788852743/reviews)** | — |
| Number of ratings | **63** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | Freemium | — |
| Size | 135 MB | 261 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 9+ | 12+ |
| Developer | [Oguzhan Yildirim](https://appshunter.io/developer/1685663174) | [MURAT ERKAL](https://appshunter.io/developer/6796079428) |

## What reviewers say

### 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 |


### TeaSpy

[App page](https://appshunter.io/ios/app/teaspy-phone-detective-game/id6796079426)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TeaSpy Pro Weekly | $4.99 | per 7 days |
| TeaSpy Pro Yearly Offer | $19.99 | per year |
| TeaSpy Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Cold Case Trace free?

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

### Is TeaSpy free?

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

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

TeaSpy shows ads; Cold Case Trace does not.

### Which is updated more often, Cold Case Trace or TeaSpy?

Cold Case Trace ships an update every 9 days, and TeaSpy monthly. Most recently, Cold Case Trace was updated on October 28, 2026 and TeaSpy on October 25, 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.*