# DIALOG vs Cognitron

The clearest difference is update cadence: Cognitron at monthly against DIALOG's every 5 months. DIALOG's advantage is iOS requirement (14.0 vs 16.6). 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.

DIALOG ships an update every 5 months, Cognitron monthly. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | DIALOG | Cognitron |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Size | 10 MB | 541 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Worien (Pty) Ltd](https://appshunter.io/developer/1845069138) | [H2 Cognitive Designs LTD](https://appshunter.io/developer/1658315146) |

## What reviewers say

### DIALOG

[App page](https://appshunter.io/ios/app/dialog/id914252327)

**In-app purchases:** none


### Cognitron

[App page](https://appshunter.io/ios/app/cognitron/id6450208243)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DIALOG free?

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

### Is Cognitron free?

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

### Do DIALOG or Cognitron have ads?

Neither DIALOG nor Cognitron shows ads.

### Which is updated more often, DIALOG or Cognitron?

DIALOG ships an update every 5 months, and Cognitron monthly. Most recently, DIALOG was updated on October 7, 2026 and Cognitron on October 3, 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.*