# Rola vs DVL Locks

The clearest difference is in-app purchases: Rola at none against DVL Locks's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. DVL Locks sells 3 in-app purchases, starting at $5.00 per year. Rola asks for nothing beyond the download.

Rola ships an update every 6 weeks, DVL Locks every 3 weeks. The most recent releases landed on October 18, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Rola | DVL Locks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 22 MB | 62 MB |
| Requires iOS | 16.0 | 16 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Red7 Systems Inc](https://appshunter.io/developer/1261525256) | [DaVinci Lock, LLC](https://appshunter.io/developer/1438528926) |

## What reviewers say

### Rola

[App page](https://appshunter.io/ios/app/rola-chem-controllers/id1673144672)

**Features:** macOS Compatibility

**In-app purchases:** none


### DVL Locks

[App page](https://appshunter.io/ios/app/dvl-locks/id6745768498)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $5.00 | per year |
| Plus | $10.00 | per year |
| Premium | $20.00 | per year |


## Frequently asked questions

### Is Rola free?

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

### Is DVL Locks free?

DVL Locks is free to download, with in-app purchases available.

### Do Rola or DVL Locks have ads?

Neither Rola nor DVL Locks shows ads.

### Which is updated more often, Rola or DVL Locks?

Rola ships an update every 6 weeks, and DVL Locks every 3 weeks. Most recently, Rola was updated on October 18, 2026 and DVL Locks on October 13, 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.*