# RB Fine vs Lusterline.

The clearest difference is update cadence: Lusterline. at monthly against RB Fine's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

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

RB Fine ships an update every 5 months, Lusterline. monthly. The most recent releases landed on October 27, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | RB Fine | Lusterline. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Size | 58 MB | 53 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ROSY BLUE FINE INC](https://appshunter.io/developer/1569547152) | [LusterLine](https://appshunter.io/developer/6793445747) |

## What reviewers say

### RB Fine

[App page](https://appshunter.io/ios/app/rb-fine/id1569547150)

**Features:** Vision Pro support

**In-app purchases:** none


### Lusterline.

[App page](https://appshunter.io/ios/app/lusterline/id6793445745)

**In-app purchases:** none


## Frequently asked questions

### Is RB Fine free?

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

### Is Lusterline. free?

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

### Do RB Fine or Lusterline. have ads?

Neither RB Fine nor Lusterline. shows ads.

### Which is updated more often, RB Fine or Lusterline.?

RB Fine ships an update every 5 months, and Lusterline. monthly. Most recently, RB Fine was updated on October 27, 2026 and Lusterline. on October 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*