# Smart vs Khachkar

The clearest difference is update cadence: Khachkar at every 2 days against Smart's every 3 months. Smart's advantage is iOS requirement (11.0 vs 26.0). 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.

Smart ships an update every 3 months, Khachkar every 2 days. The most recent releases landed on September 30, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Smart | Khachkar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Size | 20 MB | 102 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [eX:plain](https://appshunter.io/developer/1416674247) | [Eduard Ohanian](https://appshunter.io/developer/6793219583) |

## What reviewers say

### Smart

[App page](https://appshunter.io/ios/app/smart-e-learning/id1416674248)

**Features:** macOS Compatibility

**In-app purchases:** none


### Khachkar

[App page](https://appshunter.io/ios/app/khachkar/id6793219581)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart free?

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

### Is Khachkar free?

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

### Do Smart or Khachkar have ads?

Neither Smart nor Khachkar shows ads.

### Which is updated more often, Smart or Khachkar?

Smart ships an update every 3 months, and Khachkar every 2 days. Most recently, Smart was updated on September 30, 2026 and Khachkar on September 29, 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.*