# Know Your World vs SJPS SMART STUDY

The clearest difference is update cadence: SJPS SMART STUDY at every 3 weeks against Know Your World's every 44 months. SJPS SMART STUDY also leads on device support (3 vs 1). Know Your World's advantage is iOS requirement (12.2 vs 15.6). On price, 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.

Know Your World ships an update every 44 months, SJPS SMART STUDY every 3 weeks. The most recent releases landed on September 28, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Know Your World | SJPS SMART STUDY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 44 months | **Every 3 weeks** |
| Size | 21 MB | 39 MB |
| Requires iOS | **12.2** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [EdWare](https://appshunter.io/developer/554445658) | [Arwinder Singh](https://appshunter.io/developer/1723755619) |

## What reviewers say

### Know Your World

[App page](https://appshunter.io/ios/app/know-your-world/id597861911)

**Features:** macOS Compatibility

**In-app purchases:** none


### SJPS SMART STUDY

[App page](https://appshunter.io/ios/app/sjps-smart-study/id6743616011)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Know Your World free?

Know Your World is free to download, with no in-app purchases.

### Is SJPS SMART STUDY free?

SJPS SMART STUDY is free to download, with no in-app purchases.

### Do Know Your World or SJPS SMART STUDY have ads?

Neither Know Your World nor SJPS SMART STUDY shows ads.

### Which is updated more often, Know Your World or SJPS SMART STUDY?

Know Your World ships an update every 44 months, and SJPS SMART STUDY every 3 weeks. Most recently, Know Your World was updated on September 28, 2026 and SJPS SMART STUDY on October 6, 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.*