# Calculate Note vs Engineering Calculator

The clearest difference is rating: Engineering Calculator at 4.5 against Calculate Note's 1.0. Engineering Calculator also leads on update cadence (monthly vs every 18 months) and iOS requirement (12.2 vs 17.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Engineering Calculator holds the better App Store score, 4.5 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Calculate Note ships an update every 18 months, Engineering Calculator monthly. The most recent releases landed on October 23, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Calculate Note | Engineering Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/calculate-note-tip-sharing/id1390348844/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/engineering-calculator/id1395510375/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 18 months | **Monthly** |
| Monetization | Ad-supported | Ad-supported |
| Size | 5 MB | 1 MB |
| Requires iOS | 17.6 | **12.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CHI HAO CHIU](https://appshunter.io/developer/1059226484) | [Masato Kanazawa](https://appshunter.io/developer/1110570349) |

## What reviewers say

### 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


### Engineering Calculator

[App page](https://appshunter.io/ios/app/engineering-calculator/id1395510375)

This utility app helps users convert units and calculate tips, primarily for those in the US. It operates offline and aims for minimal user interaction to provide quick results. Useful for avoiding misunderstandings in business dealings due to unit differences.

**Highlights:** Unit conversion, Tip calculation, Offline functionality, Minimalist interface, Business negotiation aid

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculate Note free?

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

### Is Engineering Calculator free?

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

### Which has better reviews, Calculate Note or Engineering Calculator?

Engineering Calculator is rated higher. Calculate Note averages 1.0 out of 5 from 1 ratings, while Engineering Calculator averages 4.5 from 2 ratings.

### Do Calculate Note or Engineering Calculator have ads?

Both Calculate Note and Engineering Calculator show ads.

### Which is updated more often, Calculate Note or Engineering Calculator?

Calculate Note ships an update every 18 months, and Engineering Calculator monthly. Most recently, Calculate Note was updated on October 23, 2026 and Engineering Calculator on October 9, 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.*