# Calculator + vs AirMicroPad

The clearest difference is review sentiment: Calculator + at 85% against AirMicroPad's 33%. Calculator + also leads on rating (4.6 vs 2.0) and update cadence (every 5 days vs every 2 months). AirMicroPad's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Calculator + sells 10 in-app purchases, starting at $4.99 per month. AirMicroPad asks for nothing beyond the download.

Calculator + holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: Calculator + has 10K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 85% of Calculator +'s written reviews are positive against 33% of AirMicroPad's.

Calculator + ships an update every 5 days, AirMicroPad every 2 months. The most recent releases landed on November 14, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Calculator + | AirMicroPad |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (10K ratings)](https://appshunter.io/ios/app/calculator-plus/id351815470/reviews)** | [2.0 (3 ratings)](https://appshunter.io/ios/app/airmicropad/id374881544/reviews) |
| Number of ratings | **10K** | 3 |
| Positive reviews | **84.9% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 50 MB | 1 MB |
| Requires iOS | 16.4 | **8.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [xNeat.com](https://appshunter.io/developer/327498295) | [SCALAR CORP.](https://appshunter.io/developer/374875261) |

## What reviewers say

### Calculator +

[App page](https://appshunter.io/ios/app/calculator-plus/id351815470)

This app offers a free basic and scientific calculator with an elegant interface. Upgrade for advanced features like graphing, equation solving, and unit conversions. Supports fractions, percentages, and multiple themes.

**Highlights:** Free basic and scientific calculator, Elegant and intuitive interface, Advanced editing and equation display, Fraction and percent support, Graphing and equation solving, Base converter and multiple themes

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scientific Calculator | $4.99 | per month |
| Calculator | $39.99 | per year |
| Linear Calculator | $2.99 | one-time |
| Factoring Calculator | $2.99 | one-time |
| Handwriting Calculator | $2.99 | one-time |
| Graphing Calculator | $3.99 | one-time |
| Fraction Calculator | $3.99 | one-time |
| Scientific Calculator | $4.99 | one-time |
| Calculator Plus | $4.99 | one-time |
| Calculator | $16.99 | one-time |

**What reviewers like**

- 👍 Great features and easy to use
- 👍 Efficient and quick
- 👍 Versatile, functional calculator
- 👍 Fantastic, easy to use app
- 👍 Awesome calculator app

**What reviewers complain about**

- 🐛 New updated layout is awful
- 🐛 App is now terrible
- 🔒 Paying customer screwed over by update
- 🔒 Now timed trial, no free w/ads version
- 🔒 Not honest

**Reported bugs**

- Fraction calculator has TWO subtraction buttons and NO division button
- Decimals seem to be changed to fraction with no apparent way of changing it back
- Functionality is dropped by forcing you to the main menu every time you open it
- Currency converter broken
- Login screen freezes

**Requested features**

- Add mod function
- Add commas
- Add 1/x function
- Support for Retina Display
- Add number 4 with two lines


### AirMicroPad

[App page](https://appshunter.io/ios/app/airmicropad/id374881544)

View and save images from wireless microscopes like AirMicro and ProScope Mobile. Ideal for skin checks and educational purposes, it connects to your device via Wi-Fi for live video and image capture.

**Highlights:** Live video display, Still image capture, Wi-Fi connectivity, Adjustable resolution, Supports multiple devices

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator + free?

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

### Is AirMicroPad free?

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

### Which has better reviews, Calculator + or AirMicroPad?

Calculator + is rated higher. Calculator + averages 4.6 out of 5 from 10K ratings, while AirMicroPad averages 2.0 from 3 ratings.

### Do Calculator + or AirMicroPad have ads?

Calculator + shows ads; AirMicroPad does not.

### Which is updated more often, Calculator + or AirMicroPad?

Calculator + ships an update every 5 days, and AirMicroPad every 2 months. Most recently, Calculator + was updated on November 14, 2026 and AirMicroPad on November 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*