# RetoGuru vs UIN Campus Digital

The clearest difference is update cadence: RetoGuru at every 8 days against UIN Campus Digital's every 3 months. RetoGuru also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

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

RetoGuru ships an update every 8 days, UIN Campus Digital every 3 months. The most recent releases landed on September 28, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | RetoGuru | UIN Campus Digital |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 months |
| Monetization | Free | — |
| Size | 27 MB | 28 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Tec Gurus](https://appshunter.io/developer/1550489084) | [UNIVERSIA](https://appshunter.io/developer/451726993) |

## What reviewers say

### RetoGuru

[App page](https://appshunter.io/ios/app/retoguru/id1550489082)

Test your knowledge against friends and compete globally in technology challenges. Track your performance, identify strengths and weaknesses, and climb the leaderboards to help your team win.

**Highlights:** Challenge friends, Learn new technologies, Global competitions, Team-based play, Performance statistics, Leaderboard ranking

**Features:** macOS Compatibility

**In-app purchases:** none


### UIN Campus Digital

[App page](https://appshunter.io/ios/app/uin-campus-digital/id6444285928)

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RetoGuru free?

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

### Is UIN Campus Digital free?

UIN Campus Digital is free to download, with no in-app purchases.

### Do RetoGuru or UIN Campus Digital have ads?

Neither RetoGuru nor UIN Campus Digital shows ads.

### Which is updated more often, RetoGuru or UIN Campus Digital?

RetoGuru ships an update every 8 days, and UIN Campus Digital every 3 months. Most recently, RetoGuru was updated on September 28, 2026 and UIN Campus Digital on September 30, 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.*