# Kolors vs STU

The clearest difference is ads: STU at none against Kolors's shown. STU also leads on iOS requirement (15.5 vs 17.0). Kolors's advantage is update cadence (fortnightly vs every 2 months). On price, in-app purchases and device support there is nothing between them.

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

Kolors ships an update fortnightly, STU every 2 months. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Kolors | STU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/kolors/id6502368996/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 63 MB | 278 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Kolors](https://appshunter.io/developer/1745164124) | [BUSUP TECHNOLOGIES, S.L.](https://appshunter.io/developer/1223936129) |

## What reviewers say

### Kolors

[App page](https://appshunter.io/ios/app/kolors/id6502368996)

This app offers a digital solution for travel and communication in Mexico. It aims to simplify your journeys by providing integrated mobility and telephony services for a seamless experience.

**Highlights:** Digital mobility services, Telephony integration, Travel convenience, Comprehensive solution, Stay connected

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

**In-app purchases:** none


### STU

[App page](https://appshunter.io/ios/app/stu/id6743582102)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kolors free?

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

### Is STU free?

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

### Do Kolors or STU have ads?

Kolors shows ads; STU does not.

### Which is updated more often, Kolors or STU?

Kolors ships an update fortnightly, and STU every 2 months. Most recently, Kolors was updated on September 17, 2026 and STU on September 9, 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.*