# Serb vs BluSi

Serb and BluSi 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.

Serb ships an update every 3 weeks, BluSi every 2 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Serb | BluSi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 87 MB | 114 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [serb](https://appshunter.io/developer/1757569848) | [BluSi](https://appshunter.io/developer/1888593271) |

## What reviewers say

### Serb

[App page](https://appshunter.io/ios/app/serb/id6547846386)

**In-app purchases:** none


### BluSi

[App page](https://appshunter.io/ios/app/blusi/id6761279138)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Serb free?

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

### Is BluSi free?

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

### Do Serb or BluSi have ads?

Neither Serb nor BluSi shows ads.

### Which is updated more often, Serb or BluSi?

Serb ships an update every 3 weeks, and BluSi every 2 weeks. Most recently, Serb was updated on November 4, 2026 and BluSi on November 5, 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.*