# Learning Systems vs YDS YOKDIL

The clearest difference is update cadence: YDS YOKDIL at monthly against Learning Systems's every 3 months. YDS YOKDIL also leads on iOS requirement (12.0 vs 15.1). 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.

Learning Systems ships an update every 3 months, YDS YOKDIL monthly. The most recent releases landed on September 18, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Learning Systems | YDS YOKDIL |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 127 MB | 50 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Odyssey-Cap](https://appshunter.io/developer/1690551067) | [Oktay Kaya](https://appshunter.io/developer/1750687359) |

## What reviewers say

### Learning Systems

[App page](https://appshunter.io/ios/app/learning-systems/id6736526485)

**Features:** macOS Compatibility

**In-app purchases:** none


### YDS YOKDIL

[App page](https://appshunter.io/ios/app/yds-yokdil/id6748325263)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Learning Systems free?

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

### Is YDS YOKDIL free?

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

### Do Learning Systems or YDS YOKDIL have ads?

Neither Learning Systems nor YDS YOKDIL shows ads.

### Which is updated more often, Learning Systems or YDS YOKDIL?

Learning Systems ships an update every 3 months, and YDS YOKDIL monthly. Most recently, Learning Systems was updated on September 18, 2026 and YDS YOKDIL on September 21, 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.*