# Optics Workbench vs Mimi Calculator

The clearest difference is price: Optics Workbench at Free against Mimi Calculator's $0.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Optics Workbench | Mimi Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Monetization | — | Paid |
| Size | 4 MB | 7 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [浚哲 彭](https://appshunter.io/developer/6787808310) | [俊杰 李](https://appshunter.io/developer/1727969503) |

## What reviewers say

### Optics Workbench

[App page](https://appshunter.io/ios/app/optics-workbench/id6794776366)

**In-app purchases:** none


### Mimi Calculator

[App page](https://appshunter.io/ios/app/mimi-calculator/id6806555088)

This utility app offers a convenient calculator widget that provides live results as you type, eliminating the need to open the main application. It includes a variety of tools like currency and unit converters, scientific functions, BMI calculation, and numeral system conversions, with spoken feedback for keys and results.

**Highlights:** Calculator widget, Live results, Currency converter, Unit conversion, Scientific calculator, Spoken feedback

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

**In-app purchases:** none


## Frequently asked questions

### Is Optics Workbench free?

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

### Is Mimi Calculator free?

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

### Do Optics Workbench or Mimi Calculator have ads?

Neither Optics Workbench nor Mimi Calculator shows ads.

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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.*