# The Principal ! vs Unsolved Case Files 3D

The clearest difference is review sentiment: Unsolved Case Files 3D at 67% against The Principal !'s 19%. Unsolved Case Files 3D also leads on rating (4.4 vs 2.9) and update cadence (every 2 weeks vs every 3 months). The Principal !'s advantage is in-app purchases (none vs 7) and ratings volume (62 vs 13). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Unsolved Case Files 3D sells 7 one-off in-app purchases. The Principal ! asks for nothing beyond the download.

Unsolved Case Files 3D holds the better App Store score, 4.4 against 2.9. Both are backed by a comparable volume of ratings — 62 and 13 respectively. Written reviews point the same way: 19% of The Principal !'s written reviews are positive against 67% of Unsolved Case Files 3D's.

The Principal ! ships an update every 3 months, Unsolved Case Files 3D every 2 weeks. The most recent releases landed on August 14, 2026 and August 11, 2026 respectively.

## The numbers

| Metric | The Principal ! | Unsolved Case Files 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (62 ratings)](https://appshunter.io/ios/app/the-principal/id6446199272/reviews) | **[4.4 (13 ratings)](https://appshunter.io/ios/app/unsolved-case-files-3d/id6451311748/reviews)** |
| Number of ratings | **62** | 13 |
| Positive reviews | 18.9% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 299 MB | 412 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [funcell Games Pvt Ltd](https://appshunter.io/developer/1165706492) | [Banoth Rahul Naik](https://appshunter.io/developer/1639005018) |

## What reviewers say

### The Principal !

[App page](https://appshunter.io/ios/app/the-principal/id6446199272)

Step into the role of a school principal and create your own educational environment. This game offers a unique opportunity to make your own rules and manage your school.

**Highlights:** Play as a school principal, Make your own rules, Manage your school, Unique role-playing opportunity

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

**In-app purchases:** none


### Unsolved Case Files 3D

[App page](https://appshunter.io/ios/app/unsolved-case-files-3d/id6451311748)

Step into the shoes of an investigator to solve murder cases. Explore crime scenes, find hidden objects and clues, interrogate suspects, and bring criminals to justice in this challenging puzzle game.

**Highlights:** Explore crime scenes, Find hidden objects, Investigate suspects, Solve mysteries, Challenging levels, Clue gathering

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |
| Beginner Pack | $6.99 | one-time |
| Starter Pack | $9.99 | one-time |
| Master Pack | $19.99 | one-time |
| Deluxe Pack | $29.99 | one-time |
| Super Pack | $39.99 | one-time |
| Vip Bundle | $59.99 | one-time |


## Frequently asked questions

### Is The Principal ! free?

The Principal ! is free to download, with no in-app purchases.

### Is Unsolved Case Files 3D free?

Unsolved Case Files 3D is free to download, with in-app purchases available.

### Which has better reviews, The Principal ! or Unsolved Case Files 3D?

Unsolved Case Files 3D is rated higher. The Principal ! averages 2.9 out of 5 from 62 ratings, while Unsolved Case Files 3D averages 4.4 from 13 ratings.

### Do The Principal ! or Unsolved Case Files 3D have ads?

Both The Principal ! and Unsolved Case Files 3D show ads.

### Which is updated more often, The Principal ! or Unsolved Case Files 3D?

The Principal ! ships an update every 3 months, and Unsolved Case Files 3D every 2 weeks. Most recently, The Principal ! was updated on August 14, 2026 and Unsolved Case Files 3D on August 11, 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.*