# dtb2 vs LOCKOFF

The clearest difference is update cadence: LOCKOFF at every 2 weeks against dtb2's every 4 months. dtb2's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

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

dtb2 ships an update every 4 months, LOCKOFF every 2 weeks. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | dtb2 | LOCKOFF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 57 MB | 33 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [gareth Scott](https://appshunter.io/developer/1709863016) | [Julius Faymonville](https://appshunter.io/developer/6775481753) |

## What reviewers say

### dtb2

[App page](https://appshunter.io/ios/app/dtb2/id6754847862)

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

**In-app purchases:** none


### LOCKOFF

[App page](https://appshunter.io/ios/app/lockoff-climbing-training/id6802040266)

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

**In-app purchases:** none


## Frequently asked questions

### Is dtb2 free?

dtb2 is free to download, with no in-app purchases.

### Is LOCKOFF free?

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

### Do dtb2 or LOCKOFF have ads?

Neither dtb2 nor LOCKOFF shows ads.

### Which is updated more often, dtb2 or LOCKOFF?

dtb2 ships an update every 4 months, and LOCKOFF every 2 weeks. Most recently, dtb2 was updated on October 14, 2026 and LOCKOFF on October 15, 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.*