# b vs Construction Acceptance

The clearest difference is in-app purchases: b at none against Construction Acceptance's 1. b also leads on iOS requirement (16.4 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Construction Acceptance sells 1 one-off in-app purchase. b asks for nothing beyond the download.

b ships an update every 2 months, Construction Acceptance every 5 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | b | Construction Acceptance |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 53 MB | 1 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OneQrew](https://appshunter.io/developer/1726567110) | [Cosmic Production d.o.o.](https://appshunter.io/developer/1882842325) |

## What reviewers say

### b

[App page](https://appshunter.io/ios/app/bwork/id6771259903)

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

**In-app purchases:** none


### Construction Acceptance

[App page](https://appshunter.io/ios/app/construction-acceptance/id6807588956)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Protocol Export | $8.99 | one-time |


## Frequently asked questions

### Is b free?

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

### Is Construction Acceptance free?

Construction Acceptance is free to download, with in-app purchases available.

### Do b or Construction Acceptance have ads?

Neither b nor Construction Acceptance shows ads.

### Which is updated more often, b or Construction Acceptance?

b ships an update every 2 months, and Construction Acceptance every 5 weeks. Most recently, b was updated on October 31, 2026 and Construction Acceptance on October 31, 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.*