# Qerko Service vs Jaso

The clearest difference is update cadence: Qerko Service at every 8 months against Jaso's every 16 months. Qerko Service also leads on iOS requirement (13.0 vs 16.0). 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.

Qerko Service ships an update every 8 months, Jaso every 16 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Qerko Service | Jaso |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 16 months |
| Size | 13 MB | 76 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Piano Payments s.r.o.](https://appshunter.io/developer/1363182257) | [APPKEE s.r.o.](https://appshunter.io/developer/1443676614) |

## What reviewers say

### Qerko Service

[App page](https://appshunter.io/ios/app/qerko-service/id1577097152)

**In-app purchases:** none


### Jaso

[App page](https://appshunter.io/ios/app/jaso/id6470240250)

**In-app purchases:** none


## Frequently asked questions

### Is Qerko Service free?

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

### Is Jaso free?

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

### Do Qerko Service or Jaso have ads?

Neither Qerko Service nor Jaso shows ads.

### Which is updated more often, Qerko Service or Jaso?

Qerko Service ships an update every 8 months, and Jaso every 16 months. Most recently, Qerko Service was updated on October 30, 2026 and Jaso on October 27, 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.*