# C21 App vs Outo

The clearest difference is rating: C21 App at 3.7 against Outo's 3.0. C21 App also leads on monetization model (ad-supported vs free with in-app purchases). Outo's advantage is ads (none vs shown) and update cadence (fortnightly vs every 2 months). On price, ratings volume, 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.

C21 App holds the better App Store score, 3.7 against 3.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

C21 App ships an update every 2 months, Outo fortnightly. The most recent releases landed on October 25, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | C21 App | Outo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/c21-app/id1472577390/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/outo/id1633109274/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 28 MB | 45 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Genioi](https://appshunter.io/developer/1472577389) | [Mueve Ciudad](https://appshunter.io/developer/1727242617) |

## What reviewers say

### C21 App

[App page](https://appshunter.io/ios/app/c21-app/id1472577390)

Discover properties for sale or rent, and find real estate offices offering top services. Utilize advanced filters and map views to easily locate your ideal property.

**Highlights:** Find properties for sale, Find properties for rent, Locate real estate offices, Advanced search filters, Map-based property search

**Features:** macOS Compatibility

**In-app purchases:** none


### Outo

[App page](https://appshunter.io/ios/app/outo/id1633109274)

Manage all your vehicle-related needs in one place. Receive timely alerts for fines, inspections, and renewals. Access emergency roadside assistance and insurance services.

**Highlights:** Vehicle alerts for fines and sanctions, Renewal reminders for inspections and permits, Emergency roadside assistance services, Vehicle insurance reminders and new policy options, Monthly vehicle status reports

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is C21 App free?

C21 App is free to download, with no in-app purchases.

### Is Outo free?

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

### Which has better reviews, C21 App or Outo?

C21 App is rated higher. C21 App averages 3.7 out of 5 from 3 ratings, while Outo averages 3.0 from 2 ratings.

### Do C21 App or Outo have ads?

C21 App shows ads; Outo does not.

### Which is updated more often, C21 App or Outo?

C21 App ships an update every 2 months, and Outo fortnightly. Most recently, C21 App was updated on October 25, 2026 and Outo on October 6, 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.*