# Onetime Docs vs KaChat

The clearest difference is update cadence: KaChat at every 11 days against Onetime Docs's every 2 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.

Onetime Docs ships an update every 2 months, KaChat every 11 days. The most recent releases landed on September 9, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Onetime Docs | KaChat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (37 ratings)](https://appshunter.io/ios/app/kachat/id6759102359/reviews)** |
| Number of ratings | — | **37** |
| Positive reviews | — | 91.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | — | Free |
| Size | 21 MB | 58 MB |
| Requires iOS | **15.5** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 17+ | 17+ |
| Developer | [Gregory Estevez](https://appshunter.io/developer/1526914660) | [Cyber Ventures LLC](https://appshunter.io/developer/1841001762) |

## What reviewers say

### Onetime Docs

[App page](https://appshunter.io/ios/app/onetime-docs/id6479569089)

**Features:** macOS Compatibility

**In-app purchases:** none


### KaChat

[App page](https://appshunter.io/ios/app/kachat/id6759102359)

This secure messaging app utilizes the Kasia protocol and KASPA BlockDAG network for instant communication. It offers a private and efficient way to connect with others.

**Highlights:** Secure instant messaging, Kasia protocol integration, KASPA BlockDAG network, Cross-platform support

**Features:** Siri integration, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Onetime Docs free?

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

### Is KaChat free?

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

### Do Onetime Docs or KaChat have ads?

Neither Onetime Docs nor KaChat shows ads.

### Which is updated more often, Onetime Docs or KaChat?

Onetime Docs ships an update every 2 months, and KaChat every 11 days. Most recently, Onetime Docs was updated on September 9, 2026 and KaChat on September 23, 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.*