# PQ vs Elvaco OTC

The clearest difference is update cadence: Elvaco OTC at monthly against PQ's every 16 months. Elvaco OTC also leads on iOS requirement (15.0 vs 17). 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.

PQ ships an update every 16 months, Elvaco OTC monthly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | PQ | Elvaco OTC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Monthly** |
| Size | 40 MB | 14 MB |
| Requires iOS | 17 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [A. Eberle GmbH & Co. KG](https://appshunter.io/developer/592341114) | [Elvaco AB](https://appshunter.io/developer/1590157446) |

## What reviewers say

### PQ

[App page](https://appshunter.io/ios/app/pq-box/id1468297137)

**Features:** macOS Compatibility

**In-app purchases:** none


### Elvaco OTC

[App page](https://appshunter.io/ios/app/elvaco-otc/id1590157384)

**In-app purchases:** none


## Frequently asked questions

### Is PQ free?

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

### Is Elvaco OTC free?

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

### Do PQ or Elvaco OTC have ads?

Neither PQ nor Elvaco OTC shows ads.

### Which is updated more often, PQ or Elvaco OTC?

PQ ships an update every 16 months, and Elvaco OTC monthly. Most recently, PQ was updated on November 6, 2026 and Elvaco OTC on November 7, 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.*