# FuncNote vs Keisan Memo

The clearest difference is ads: FuncNote at none against Keisan Memo's shown. Keisan Memo's advantage is update cadence (weekly vs every 5 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. FuncNote sells 2 in-app purchases, starting at $1.99 per month and Keisan Memo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

FuncNote ships an update every 5 months, Keisan Memo weekly. The most recent releases landed on October 11, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | FuncNote | Keisan Memo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Weekly** |
| Size | 26 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Satoshi Kobayashi](https://appshunter.io/developer/909987119) | [丽佳 施](https://appshunter.io/developer/1894580777) |

## What reviewers say

### FuncNote

[App page](https://appshunter.io/ios/app/funcnote/id1535937427)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro plan | $1.99 | per month |
| Pro plan | $19.99 | per year |


### Keisan Memo

[App page](https://appshunter.io/ios/app/keisan-memo-calc-notepad/id6791201696)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads (Lifetime) | $0.99 | one-time |


## Frequently asked questions

### Is FuncNote free?

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

### Is Keisan Memo free?

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

### Do FuncNote or Keisan Memo have ads?

Keisan Memo shows ads; FuncNote does not.

### Which is updated more often, FuncNote or Keisan Memo?

FuncNote ships an update every 5 months, and Keisan Memo weekly. Most recently, FuncNote was updated on October 11, 2026 and Keisan Memo on October 4, 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.*