# SMstudy vs Skillking

The clearest difference is iOS requirement: SMstudy at 11.0 against Skillking's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SMstudy ships an update every 3 weeks, Skillking monthly. The most recent releases landed on September 25, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | SMstudy | Skillking |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 39 MB | 71 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VMEdu Inc.](https://appshunter.io/developer/567983653) | [JETKING INFOTRAIN LIMITED](https://appshunter.io/developer/1484036382) |

## What reviewers say

### SMstudy

[App page](https://appshunter.io/ios/app/smstudy/id1021907070)

**Features:** macOS Compatibility

**In-app purchases:** none


### Skillking

[App page](https://appshunter.io/ios/app/skillking/id6466105938)

**In-app purchases:** none


## Frequently asked questions

### Is SMstudy free?

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

### Is Skillking free?

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

### Do SMstudy or Skillking have ads?

Neither SMstudy nor Skillking shows ads.

### Which is updated more often, SMstudy or Skillking?

SMstudy ships an update every 3 weeks, and Skillking monthly. Most recently, SMstudy was updated on September 25, 2026 and Skillking on September 9, 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.*