# noteSUM vs Calculator Widget

The clearest difference is in-app purchases: Calculator Widget at none against noteSUM's 3. noteSUM's advantage is update cadence (monthly vs every 2 months) and iOS requirement (14.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. noteSUM sells 3 one-off in-app purchases. Calculator Widget asks for nothing beyond the download.

noteSUM ships an update monthly, Calculator Widget every 2 months. The most recent releases landed on October 10, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | noteSUM | Calculator Widget |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (15 ratings)](https://appshunter.io/ios/app/calculator-widget-calc-notes/id1621221370/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | — | Ad-supported |
| Size | 7 MB | 10 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kazuhiro Sawamura](https://appshunter.io/developer/620439638) | [FugaPiyo Inc.](https://appshunter.io/developer/1497887610) |

## 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 |


### Calculator Widget

[App page](https://appshunter.io/ios/app/calculator-widget-calc-notes/id1621221370)

This free calculator app offers a widget for quick access and extensive history management. Save, reuse, and organize calculations with unlimited history and folders, all with customizable options and dark mode support.

**Highlights:** Home screen widget support, Unlimited calculation history, Unlimited folders, Calculation history memo, Reuse of formula and results, Dark mode support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is noteSUM free?

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

### Is Calculator Widget free?

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

### Do noteSUM or Calculator Widget have ads?

Both noteSUM and Calculator Widget show ads.

### Which is updated more often, noteSUM or Calculator Widget?

noteSUM ships an update monthly, and Calculator Widget every 2 months. Most recently, noteSUM was updated on October 10, 2026 and Calculator Widget 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.*