# 1Study vs Jarqyn

The clearest difference is iOS requirement: Jarqyn at 15.6 against 1Study's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 1Study sells 1 one-off in-app purchase and Jarqyn sells 6 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

1Study ships an update every 9 days, Jarqyn fortnightly. The most recent releases landed on September 29, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | 1Study | Jarqyn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Size | 16 MB | 28 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Sapar Jumabekov](https://appshunter.io/developer/1600335348) | [SAPARKHAN TURGUNBAYEV](https://appshunter.io/developer/1817158552) |

## What reviewers say

### 1Study

[App page](https://appshunter.io/ios/app/1study/id6738660263)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Базовый курс | $49.99 | one-time |


### Jarqyn

[App page](https://appshunter.io/ios/app/jarqyn/id6746954355)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Marathon | $8.99 | per month |
| Marathon 1 | $17.99 | per month |
| Standard subscription | $299.99 | per 3 months |
| Premium subscription | $499.99 | per 3 months |
| VIP subscription | $699.99 | per 3 months |
| Monthly Subscription | $699.99 | per month |


## Frequently asked questions

### Is 1Study free?

1Study is free to download, with in-app purchases available.

### Is Jarqyn free?

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

### Do 1Study or Jarqyn have ads?

Neither 1Study nor Jarqyn shows ads.

### Which is updated more often, 1Study or Jarqyn?

1Study ships an update every 9 days, and Jarqyn fortnightly. Most recently, 1Study was updated on September 29, 2026 and Jarqyn on September 19, 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.*