# Uncanny Warning vs Detective Diary

The clearest difference is in-app purchases: Uncanny Warning at none against Detective Diary's 5. Uncanny Warning also leads on update cadence (daily vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Detective Diary sells 5 in-app purchases, starting at $3.99 per month. Uncanny Warning asks for nothing beyond the download.

Uncanny Warning ships an update daily, Detective Diary fortnightly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Uncanny Warning | Detective Diary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 430 MB | 233 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Puffything Games Inc.](https://appshunter.io/developer/1791042476) | [Junsu Hwang](https://appshunter.io/developer/1745070010) |

## What reviewers say

### Uncanny Warning

[App page](https://appshunter.io/ios/app/uncanny-warning/id6756948106)

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

**In-app purchases:** none


### Detective Diary

[App page](https://appshunter.io/ios/app/detective-diary-whodunit/id6760389759)

Engage in daily AI-powered mystery games where you interrogate suspects, investigate locations, and analyze evidence to solve new cases. Compete for high scores and climb leaderboards by thinking like a real detective.

**Highlights:** AI interrogation of suspects, New mystery case daily, Investigate locations and evidence, Deduce culprit, motive, and method, Efficiency scoring and leaderboards, Share case results with friends

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Detective Pass | $3.99 | per month |
| 100 credit | $0.49 | one-time |
| 330 credit | $1.99 | one-time |
| 850 credit | $4.99 | one-time |
| 1500 credit | $6.99 | one-time |


## Frequently asked questions

### Is Uncanny Warning free?

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

### Is Detective Diary free?

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

### Do Uncanny Warning or Detective Diary have ads?

Both Uncanny Warning and Detective Diary show ads.

### Which is updated more often, Uncanny Warning or Detective Diary?

Uncanny Warning ships an update daily, and Detective Diary fortnightly. Most recently, Uncanny Warning was updated on October 30, 2026 and Detective Diary on October 31, 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.*