# noteSUM vs CalcNotes

The clearest difference is ads: CalcNotes at none against noteSUM's shown. CalcNotes also leads on update cadence (weekly vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. noteSUM sells 3 one-off in-app purchases and CalcNotes sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

noteSUM ships an update monthly, CalcNotes weekly. The most recent releases landed on October 10, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | noteSUM | CalcNotes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Weekly** |
| Size | 7 MB | 51 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kazuhiro Sawamura](https://appshunter.io/developer/620439638) | [naoki otsu](https://appshunter.io/developer/1082476153) |

## What reviewers say

### noteSUM

[App page](https://appshunter.io/ios/app/notesum/id1553539735)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Number of History records | $0.99 | one-time |
| Number of Favorites | $0.99 | one-time |
| Hide Ads | $2.99 | one-time |


### CalcNotes

[App page](https://appshunter.io/ios/app/calcnotes-calculation-memo/id6752585573)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | per month |
| Premium (Pay Once) | $4.99 | one-time |


## Frequently asked questions

### Is noteSUM free?

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

### Is CalcNotes free?

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

### Do noteSUM or CalcNotes have ads?

noteSUM shows ads; CalcNotes does not.

### Which is updated more often, noteSUM or CalcNotes?

noteSUM ships an update monthly, and CalcNotes weekly. Most recently, noteSUM was updated on October 10, 2026 and CalcNotes on September 28, 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.*