# UNICUM Direct Service vs ExtraPool

The clearest difference is update cadence: ExtraPool at every 2 weeks against UNICUM Direct Service's every 4 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.

UNICUM Direct Service ships an update every 4 months, ExtraPool every 2 weeks. The most recent releases landed on September 10, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | UNICUM Direct Service | ExtraPool |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 29 MB | 371 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anura](https://appshunter.io/developer/1473119959) | [QSC](https://appshunter.io/developer/1291352938) |

## What reviewers say

### UNICUM Direct Service

[App page](https://appshunter.io/ios/app/unicum-direct-service/id1412628004)

**In-app purchases:** none


### ExtraPool

[App page](https://appshunter.io/ios/app/extrapool/id1414857310)

This app streamlines the process for pool builders to measure and order custom liners. It allows for manual or Bluetooth-enabled measurements, generating a professional order document that reduces errors and saves time for manufacturers and clients.

**Highlights:** Manual liner measurement input, Bluetooth-enabled measurement with compatible devices, Automated order document generation, Measurement validation against manufacturer standards, Time-saving for pool construction teams, Reduces manual data entry errors

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UNICUM Direct Service free?

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

### Is ExtraPool free?

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

### Do UNICUM Direct Service or ExtraPool have ads?

Neither UNICUM Direct Service nor ExtraPool shows ads.

### Which is updated more often, UNICUM Direct Service or ExtraPool?

UNICUM Direct Service ships an update every 4 months, and ExtraPool every 2 weeks. Most recently, UNICUM Direct Service was updated on September 10, 2026 and ExtraPool on June 4, 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.*