# CRV vs BTO

The clearest difference is ads: BTO at none against CRV's shown. CRV's advantage is update cadence (every 3 months vs every 18 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

CRV ships an update every 3 months, BTO every 18 months. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | CRV | BTO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 18 months |
| Size | 81 MB | 10 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CRV Deutschland GmbH](https://appshunter.io/developer/898384564) | [Joachim Rothkegel](https://appshunter.io/developer/889600576) |

## What reviewers say

### CRV

[App page](https://appshunter.io/ios/app/crv/id898384561)

**Features:** macOS Compatibility

**In-app purchases:** none


### BTO

[App page](https://appshunter.io/ios/app/bto/id1360244567)

**In-app purchases:** none


## Frequently asked questions

### Is CRV free?

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

### Is BTO free?

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

### Do CRV or BTO have ads?

CRV shows ads; BTO does not.

### Which is updated more often, CRV or BTO?

CRV ships an update every 3 months, and BTO every 18 months. Most recently, CRV was updated on October 16, 2026 and BTO on October 5, 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.*