# Rose lapi vs B

Rose lapi and B are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Rose lapi ships an update every 37 months, B every 38 months. The most recent releases landed on September 29, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Rose lapi | B |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 37 months** | Every 38 months |
| Size | 47 MB | 36 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HANA MURAMOTO](https://appshunter.io/developer/1567542758) | [Takanori Minowa](https://appshunter.io/developer/1600713235) |

## What reviewers say

### Rose lapi

[App page](https://appshunter.io/ios/app/rose-lapi/id1567542756)

**In-app purchases:** none


### B

[App page](https://appshunter.io/ios/app/b-cross/id1600713232)

**In-app purchases:** none


## Frequently asked questions

### Is Rose lapi free?

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

### Is B free?

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

### Do Rose lapi or B have ads?

Neither Rose lapi nor B shows ads.

### Which is updated more often, Rose lapi or B?

Rose lapi ships an update every 37 months, and B every 38 months. Most recently, Rose lapi was updated on September 29, 2026 and B on September 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.*