# AI Grammar Assistant Checker vs Diktator

The clearest difference is update cadence: Diktator at every 2 weeks against AI Grammar Assistant Checker's every 4 months. Diktator also leads on device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. AI Grammar Assistant Checker sells 3 in-app purchases, starting at $0.99 per 7 days and Diktator sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

AI Grammar Assistant Checker ships an update every 4 months, Diktator every 2 weeks. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | AI Grammar Assistant Checker | Diktator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 21 MB | 12 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Farouk Nasser](https://appshunter.io/developer/1478256466) | [Mikhail Goncharov](https://appshunter.io/developer/6781886924) |

## What reviewers say

### AI Grammar Assistant Checker

[App page](https://appshunter.io/ios/app/ai-grammar-assistant-checker/id6758681992)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $0.99 | per 7 days |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $29.99 | per year |


### Diktator

[App page](https://appshunter.io/ios/app/diktator-voice-to-text/id6781886922)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 21-day Trial | Free | one-time |
| Diktator Pro | $14.99 | one-time |


## Frequently asked questions

### Is AI Grammar Assistant Checker free?

AI Grammar Assistant Checker is free to download, with in-app purchases available.

### Is Diktator free?

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

### Do AI Grammar Assistant Checker or Diktator have ads?

Neither AI Grammar Assistant Checker nor Diktator shows ads.

### Which is updated more often, AI Grammar Assistant Checker or Diktator?

AI Grammar Assistant Checker ships an update every 4 months, and Diktator every 2 weeks. Most recently, AI Grammar Assistant Checker was updated on October 8, 2026 and Diktator on October 24, 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.*