# LFunCalc vs 付箋ノート「ウミブドウ」

The clearest difference is update cadence: 付箋ノート「ウミブドウ」 at every 3 weeks against LFunCalc's every 5 months. LFunCalc's advantage is iOS requirement (13.2 vs 18.6). 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.

LFunCalc ships an update every 5 months, 付箋ノート「ウミブドウ」 every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | LFunCalc | 付箋ノート「ウミブドウ」 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 46 MB | 27 MB |
| Requires iOS | **13.2** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [NOBORU IMAI](https://appshunter.io/developer/896071356) | [Mineaki Sakatoku](https://appshunter.io/developer/1674976728) |

## What reviewers say

### LFunCalc

[App page](https://appshunter.io/ios/app/lfuncalc/id1501273046)

**Features:** Vision Pro support

**In-app purchases:** none


### 付箋ノート「ウミブドウ」

[App page](https://appshunter.io/ios/app/id6798289564)

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

**In-app purchases:** none


## Frequently asked questions

### Is LFunCalc free?

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

### Is 付箋ノート「ウミブドウ」 free?

付箋ノート「ウミブドウ」 is free to download, with no in-app purchases.

### Do LFunCalc or 付箋ノート「ウミブドウ」 have ads?

Neither LFunCalc nor 付箋ノート「ウミブドウ」 shows ads.

### Which is updated more often, LFunCalc or 付箋ノート「ウミブドウ」?

LFunCalc ships an update every 5 months, and 付箋ノート「ウミブドウ」 every 3 weeks. Most recently, LFunCalc was updated on November 3, 2026 and 付箋ノート「ウミブドウ」 on October 31, 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.*