# LearnSousyo byNSDev vs OracleLens

The clearest difference is iOS requirement: LearnSousyo byNSDev at 12.0 against OracleLens's 17.0. 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.

## The numbers

| Metric | LearnSousyo byNSDev | OracleLens |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Size | 41 MB | 4 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734) | [阳 郑](https://appshunter.io/developer/1892221543) |

## What reviewers say

### LearnSousyo byNSDev

[App page](https://appshunter.io/ios/app/learnsousyo-bynsdev/id1255122571)

**Features:** macOS Compatibility

**In-app purchases:** none


### OracleLens

[App page](https://appshunter.io/ios/app/oraclelens/id6763305801)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LearnSousyo byNSDev free?

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

### Is OracleLens free?

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

### Do LearnSousyo byNSDev or OracleLens have ads?

Neither LearnSousyo byNSDev nor OracleLens shows ads.

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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.*