# Note Calculator vs 4

The clearest difference is price: 4 at Free against Note Calculator's $0.99. 4 also leads on iOS requirement (12.2 vs 15.0). Note Calculator's advantage is update cadence (fortnightly vs every 7 months). On ads, in-app purchases and device support there is nothing between them.

4 is free to download; Note Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Note Calculator ships an update fortnightly, 4 every 7 months. The most recent releases landed on October 4, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Note Calculator | 4 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/note-calculator-text-editor/id779230763/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 86.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 7 months |
| Monetization | Paid | — |
| Size | 5 MB | 56 MB |
| Requires iOS | 15.0 | **12.2** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [woojooin](https://appshunter.io/developer/529798258) | [Rural Computer Consultants, Inc.](https://appshunter.io/developer/640795441) |

## What reviewers say

### Note Calculator

[App page](https://appshunter.io/ios/app/note-calculator-text-editor/id779230763)

This app allows you to perform calculations by writing equations in a text format, similar to a notebook. It supports variables, grouping, and saves your work as text files for easy sharing.

**Highlights:** Text-based calculation input, Supports variables and grouping, Saves calculations as text files, Easy sharing with other apps, Improved percentage calculations

**Features:** Vision Pro support

**In-app purchases:** none


### 4

[App page](https://appshunter.io/ios/app/4-t-propane-llc/id6469541309)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Note Calculator free?

Note Calculator costs $0.99, with no in-app purchases.

### Is 4 free?

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

### Do Note Calculator or 4 have ads?

Neither Note Calculator nor 4 shows ads.

### Which is updated more often, Note Calculator or 4?

Note Calculator ships an update fortnightly, and 4 every 7 months. Most recently, Note Calculator was updated on October 4, 2026 and 4 on October 16, 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.*