# OPEN EX vs 現調Memo

The clearest difference is update cadence: 現調Memo at every 10 days against OPEN EX's every 5 weeks. OPEN EX's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

OPEN EX ships an update every 5 weeks, 現調Memo every 10 days. The most recent releases landed on October 17, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | OPEN EX | 現調Memo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Size | 44 MB | 39 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [RIK Corporation](https://appshunter.io/developer/507134227) | [NORIHISA KURATA](https://appshunter.io/developer/1896556287) |

## What reviewers say

### OPEN EX

[App page](https://appshunter.io/ios/app/open-ex/id6473357021)

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

**In-app purchases:** none


### 現調Memo

[App page](https://appshunter.io/ios/app/memo/id6774897614)

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

**In-app purchases:** none


## Frequently asked questions

### Is OPEN EX free?

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

### Is 現調Memo free?

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

### Do OPEN EX or 現調Memo have ads?

Neither OPEN EX nor 現調Memo shows ads.

### Which is updated more often, OPEN EX or 現調Memo?

OPEN EX ships an update every 5 weeks, and 現調Memo every 10 days. Most recently, OPEN EX was updated on October 17, 2026 and 現調Memo on October 21, 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.*