# PrimeCalc vs Calculate Note

The clearest difference is update cadence: PrimeCalc at every 5 weeks against Calculate Note's every 18 months. PrimeCalc also leads on iOS requirement (12.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PrimeCalc ships an update every 5 weeks, Calculate Note every 18 months. The most recent releases landed on October 26, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | PrimeCalc | Calculate Note |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/calculate-note-tip-sharing/id1390348844/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 18 months |
| Monetization | — | Ad-supported |
| Size | 12 MB | 5 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yutaka Nakao](https://appshunter.io/developer/1303008060) | [CHI HAO CHIU](https://appshunter.io/developer/1059226484) |

## What reviewers say

### PrimeCalc

[App page](https://appshunter.io/ios/app/primecalc-modprime-factor/id1332239791)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculate Note

[App page](https://appshunter.io/ios/app/calculate-note-tip-sharing/id1390348844)

This calculator app records all your calculations with customizable names and comments. Easily find past calculations and share your notes directly with others. It helps you keep track of your financial entries beyond just numbers.

**Highlights:** Records all calculations, Customizable calculation names, Add comments to calculations, Quickly find calculation notes, Share calculation notes

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

**In-app purchases:** none


## Frequently asked questions

### Is PrimeCalc free?

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

### Is Calculate Note free?

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

### Do PrimeCalc or Calculate Note have ads?

Both PrimeCalc and Calculate Note show ads.

### Which is updated more often, PrimeCalc or Calculate Note?

PrimeCalc ships an update every 5 weeks, and Calculate Note every 18 months. Most recently, PrimeCalc was updated on October 26, 2026 and Calculate Note on October 23, 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.*