# B vs Smart Switch

The clearest difference is in-app purchases: B at none against Smart Switch's 3. B also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.4). Smart Switch's advantage is update cadence (every 4 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Smart Switch sells 3 in-app purchases, starting at $9.99 per 7 days. B asks for nothing beyond the download.

B ships an update every 2 months, Smart Switch every 4 days. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | B | Smart Switch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 25 MB | 20 MB |
| Requires iOS | **12.0** | 15.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BASF Digital Solutions GmbH](https://appshunter.io/developer/1482373796) | [Abida Zahid](https://appshunter.io/developer/1256557825) |

## What reviewers say

### B

[App page](https://appshunter.io/ios/app/b-scent/id1613348815)

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Switch

[App page](https://appshunter.io/ios/app/smart-switch-copy-data/id6761824798)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $9.99 | per 7 days |
| Monthly Premium | $29.99 | per month |
| Lifetime Premium | $89.99 | one-time |


## Frequently asked questions

### Is B free?

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

### Is Smart Switch free?

Smart Switch is free to download, with in-app purchases available.

### Do B or Smart Switch have ads?

Smart Switch shows ads; B does not.

### Which is updated more often, B or Smart Switch?

B ships an update every 2 months, and Smart Switch every 4 days. Most recently, B was updated on September 21, 2026 and Smart Switch on September 23, 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.*