# Cobuilder App vs Retura TRV

Cobuilder App and Retura TRV are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Cobuilder App ships an update every 3 months, Retura TRV every 4 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Cobuilder App | Retura TRV |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Size | 23 MB | 75 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [coBuilder AS](https://appshunter.io/developer/571202443) | [Retura TRV](https://appshunter.io/developer/1636451085) |

## What reviewers say

### Cobuilder App

[App page](https://appshunter.io/ios/app/cobuilder-app/id571202440)

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

**In-app purchases:** none


### Retura TRV

[App page](https://appshunter.io/ios/app/retura-trv/id1636451083)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cobuilder App free?

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

### Is Retura TRV free?

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

### Do Cobuilder App or Retura TRV have ads?

Neither Cobuilder App nor Retura TRV shows ads.

### Which is updated more often, Cobuilder App or Retura TRV?

Cobuilder App ships an update every 3 months, and Retura TRV every 4 months. Most recently, Cobuilder App was updated on November 1, 2026 and Retura TRV on October 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.*