# 判別式電卓 vs Mena

The clearest difference is price: Mena at Free against 判別式電卓's $0.49. 判別式電卓's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 18.6). On ads and device support there is nothing between them.

Mena is free to download; 判別式電卓 costs $0.49 up front. Mena sells 3 in-app purchases, starting at $2.99 per month. 判別式電卓 asks for nothing beyond the download.

## The numbers

| Metric | 判別式電卓 | Mena |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Size | 27 MB | 51 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kotobaz](https://appshunter.io/developer/1634727152) | [Cihat Salik](https://appshunter.io/developer/1819820065) |

## What reviewers say

### 判別式電卓

[App page](https://appshunter.io/ios/app/large-d/id6502815209)

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

**In-app purchases:** none


### Mena

[App page](https://appshunter.io/ios/app/mena-notes-mind-map-and-study/id6801832470)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly: Flowchart Notes | $2.99 | per month |
| Pro Yearly: Diagram & Quiz | $19.99 | per year |
| Pro Forever: Concept Mapping | $49.99 | one-time |


## Frequently asked questions

### Is 判別式電卓 free?

判別式電卓 costs $0.49, with no in-app purchases.

### Is Mena free?

Mena is free to download, with in-app purchases available.

### Do 判別式電卓 or Mena have ads?

Neither 判別式電卓 nor Mena 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.*