# Calculator Notes vs Due2

The clearest difference is in-app purchases: Calculator Notes at none against Due2's 2. Due2's advantage is ads (none vs shown) and update cadence (weekly vs every 12 months). On price and device support there is nothing between them.

Both are free to download. Due2 sells 2 in-app purchases, starting at $9.99 per year. Calculator Notes asks for nothing beyond the download.

Calculator Notes ships an update every 12 months, Due2 weekly. The most recent releases landed on September 21, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Calculator Notes | Due2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/calculator-notes-spreadsheet/id1668268383/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 11 MB | 51 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [FugaPiyo Inc.](https://appshunter.io/developer/1497887610) | [MyIAM Inc.](https://appshunter.io/developer/1894086028) |

## What reviewers say

### Calculator Notes

[App page](https://appshunter.io/ios/app/calculator-notes-spreadsheet/id1668268383)

This app combines a calculator with spreadsheet functionality, allowing users to automatically sum item values. It supports unlimited folders and notes, with features like goal setting and batch operations. Widgets are available for home and lock screens.

**Highlights:** Automatic total value calculation, Unlimited folders, notes, and items, CSV output and sharing, Goal setting and progress tracking, Batch operations (copy, duplicate, color coding), Home & lock screen widgets, Dark mode

**In-app purchases:** none


### Due2

[App page](https://appshunter.io/ios/app/due2-deadline-reminder/id6762415763)

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Due2 Plus | $9.99 | per year |
| Due2 Pro | $19.99 | per year |


## Frequently asked questions

### Is Calculator Notes free?

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

### Is Due2 free?

Due2 is free to download, with in-app purchases available.

### Do Calculator Notes or Due2 have ads?

Calculator Notes shows ads; Due2 does not.

### Which is updated more often, Calculator Notes or Due2?

Calculator Notes ships an update every 12 months, and Due2 weekly. Most recently, Calculator Notes was updated on September 21, 2026 and Due2 on October 13, 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.*