# Detectives MX vs UNOi 4

The clearest difference is review sentiment: Detectives MX at 100% against UNOi 4's 50%. Detectives MX also leads on device support (3 vs 1) and iOS requirement (8.0 vs 14.0). UNOi 4's advantage is update cadence (every 6 weeks vs every 44 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Detectives MX ships an update every 44 months, UNOi 4 every 6 weeks. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Detectives MX | UNOi 4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (3 ratings)](https://appshunter.io/ios/app/unoi-4/id1473453935/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 44 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 56 MB | 135 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 17+ |
| Developer | [CONACULTA](https://appshunter.io/developer/484285855) | [Grupo Santillana Educacion Global, S.L.](https://appshunter.io/developer/445034184) |

## What reviewers say

### Detectives MX

[App page](https://appshunter.io/ios/app/detectives-mx/id898435578)

Embark on a historical journey through Mexico's past. Become a detective to uncover characters, places, and events across different eras. Race against the clock to find all hidden elements in each time period.

**Highlights:** Time travel exploration, Historical character discovery, Site and event identification, Hidden object challenges, Time-based gameplay, Mexican history focus

**Features:** macOS Compatibility

**In-app purchases:** none


### UNOi 4

[App page](https://appshunter.io/ios/app/unoi-4/id1473453935)

This app transforms classroom management by centering the student and breaking down subject barriers. It fosters learning through engagement and practical application, aiming to create transformative citizens.

**Highlights:** Student-centered learning, Interdisciplinary approach, Learning through engagement, Practical application focus, Classroom management transformation

**In-app purchases:** none


## Frequently asked questions

### Is Detectives MX free?

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

### Is UNOi 4 free?

UNOi 4 is free to download, with no in-app purchases.

### Do Detectives MX or UNOi 4 have ads?

Neither Detectives MX nor UNOi 4 shows ads.

### Which is updated more often, Detectives MX or UNOi 4?

Detectives MX ships an update every 44 months, and UNOi 4 every 6 weeks. Most recently, Detectives MX was updated on October 16, 2026 and UNOi 4 on October 24, 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.*