# stdout.chat vs Knock Chat & Call

The clearest difference is in-app purchases: Knock Chat & Call at none against stdout.chat's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. stdout.chat sells 3 one-off in-app purchases. Knock Chat & Call asks for nothing beyond the download.

stdout.chat ships an update every 10 days, Knock Chat & Call every 8 days. Both last shipped on November 13, 2026.

## The numbers

| Metric | stdout.chat | Knock Chat & Call |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stdoutchat/id6760369542/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 6 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Dmitrii Musikhin](https://appshunter.io/developer/1884150497) | [Vadim Vasilkov](https://appshunter.io/developer/1451071838) |

## What reviewers say

### stdout.chat

[App page](https://appshunter.io/ios/app/stdoutchat/id6760369542)

Connect with new people through text-based conversations matched by shared interests. Focus on the quality of your dialogue to earn points, climb ranks, and express yourself with customizable themes.

**Highlights:** Interest-based matching, Text-only conversations, Conversation grading system, 16-tier ranking system, Customizable terminal themes, Daily and weekly missions

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Credits | $1.99 | one-time |
| 500 Credits | $7.99 | one-time |
| 1000 Credits | $14.99 | one-time |


### Knock Chat & Call

[App page](https://appshunter.io/ios/app/knock-chat-and-call/id6824640175)

**In-app purchases:** none


## Frequently asked questions

### Is stdout.chat free?

stdout.chat is free to download, with in-app purchases available.

### Is Knock Chat & Call free?

Knock Chat & Call is free to download, with no in-app purchases.

### Do stdout.chat or Knock Chat & Call have ads?

Neither stdout.chat nor Knock Chat & Call shows ads.

### Which is updated more often, stdout.chat or Knock Chat & Call?

stdout.chat ships an update every 10 days, and Knock Chat & Call every 8 days. Most recently, stdout.chat was updated on November 13, 2026 and Knock Chat & Call on November 13, 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.*