# Bind vs RuGrammar

The clearest difference is update cadence: RuGrammar at every 4 days against Bind's every 9 days. RuGrammar also leads on iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Bind sells 1 in-app purchase, starting at $9.99 per month and RuGrammar sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Bind ships an update every 9 days, RuGrammar every 4 days. The most recent releases landed on May 18, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Bind | RuGrammar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Size | 13 MB | 55 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Yeskendir Salgara](https://appshunter.io/developer/1566767405) | [TIMOTHEE JEAN LEGER ESPERANDIEU](https://appshunter.io/developer/1826412521) |

## What reviewers say

### Bind

[App page](https://appshunter.io/ios/app/bind-learn-a-language-with-ai/id6465746679)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |


### RuGrammar

[App page](https://appshunter.io/ios/app/rugrammar/id6748586217)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per 7 days |
| Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is Bind free?

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

### Is RuGrammar free?

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

### Do Bind or RuGrammar have ads?

Neither Bind nor RuGrammar shows ads.

### Which is updated more often, Bind or RuGrammar?

Bind ships an update every 9 days, and RuGrammar every 4 days. Most recently, Bind was updated on May 18, 2026 and RuGrammar on September 10, 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.*