# SmartStudy vs CARAWORLD

The clearest difference is iOS requirement: SmartStudy at 11.0 against CARAWORLD'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.

SmartStudy ships an update every 4 days, CARAWORLD every 5 days. The most recent releases landed on September 12, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | SmartStudy | CARAWORLD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 days |
| Size | 62 MB | 28 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Dekiru Joint Stock Company](https://appshunter.io/developer/1335016754) | [SAVISTA CORPORATION](https://appshunter.io/developer/1426180118) |

## What reviewers say

### SmartStudy

[App page](https://appshunter.io/ios/app/smartstudy/id6497569675)

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

**In-app purchases:** none


### CARAWORLD

[App page](https://appshunter.io/ios/app/caraworld/id6736902142)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmartStudy free?

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

### Is CARAWORLD free?

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

### Do SmartStudy or CARAWORLD have ads?

Neither SmartStudy nor CARAWORLD shows ads.

### Which is updated more often, SmartStudy or CARAWORLD?

SmartStudy ships an update every 4 days, and CARAWORLD every 5 days. Most recently, SmartStudy was updated on September 12, 2026 and CARAWORLD on September 30, 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.*