# IBMS Congress vs Quenza

The clearest difference is ads: Quenza at none against IBMS Congress's shown. Quenza also leads on update cadence (every 2 days vs every 13 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

IBMS Congress ships an update every 13 months, Quenza every 2 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | IBMS Congress | Quenza |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quenza/id6761123782/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 13 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 51 MB | 3 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Institute of Biomedical Science](https://appshunter.io/developer/1611137923) | [Quenza B.V.](https://appshunter.io/developer/1534721448) |

## What reviewers say

### IBMS Congress

[App page](https://appshunter.io/ios/app/ibms-congress/id6449746370)

**In-app purchases:** none


### Quenza

[App page](https://appshunter.io/ios/app/quenza/id6761123782)

This app empowers mental health professionals to create and share custom digital activities like worksheets, exercises, and surveys with clients. It facilitates client engagement between sessions through timed care programs with automated reminders and progress monitoring.

**Highlights:** Create custom digital activities, Bundle activities into care programs, Automated client reminders, Client progress monitoring, Share activities via email or in-app, Client engagement between sessions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is IBMS Congress free?

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

### Is Quenza free?

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

### Do IBMS Congress or Quenza have ads?

IBMS Congress shows ads; Quenza does not.

### Which is updated more often, IBMS Congress or Quenza?

IBMS Congress ships an update every 13 months, and Quenza every 2 days. Most recently, IBMS Congress was updated on October 27, 2026 and Quenza on October 31, 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.*