# KD App vs TESSA Assistant

The clearest difference is iOS requirement: TESSA Assistant at 13.4 against KD App's 16.4. On price, update cadence, ads and in-app purchases there is nothing between them.

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

KD App ships an update every 4 weeks, TESSA Assistant monthly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | KD App | TESSA Assistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Monthly |
| Size | 111 MB | 54 MB |
| Requires iOS | 16.4 | **13.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Andrey Shpinev](https://appshunter.io/developer/1494266410) | [ООО «СИНТЕЛЛЕКТ»](https://appshunter.io/developer/1697825323) |

## What reviewers say

### KD App

[App page](https://appshunter.io/ios/app/kd-app/id1604458976)

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

**In-app purchases:** none


### TESSA Assistant

[App page](https://appshunter.io/ios/app/tessa-assistant/id6451378829)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KD App free?

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

### Is TESSA Assistant free?

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

### Do KD App or TESSA Assistant have ads?

Neither KD App nor TESSA Assistant shows ads.

### Which is updated more often, KD App or TESSA Assistant?

KD App ships an update every 4 weeks, and TESSA Assistant monthly. Most recently, KD App was updated on October 24, 2026 and TESSA Assistant on October 27, 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.*