# MicroBlue vs Wind Calculator

The clearest difference is price: MicroBlue at Free against Wind Calculator's $1.99. MicroBlue also leads on iOS requirement (13.4 vs 16.4). Wind Calculator's advantage is update cadence (every 2 days vs every 3 months). On ads, in-app purchases and device support there is nothing between them.

MicroBlue is free to download; Wind Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MicroBlue ships an update every 3 months, Wind Calculator every 2 days. The most recent releases landed on July 6, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | MicroBlue | Wind Calculator |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/microblue/id6469052831/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 16 MB | 51 MB |
| Requires iOS | **13.4** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mechanismic Inc.](https://appshunter.io/developer/1065657087) | [ALEKSI GOULET](https://appshunter.io/developer/1840510431) |

## What reviewers say

### MicroBlue

[App page](https://appshunter.io/ios/app/microblue/id6469052831)

This app connects to microcontrollers via Bluetooth/BLE, offering a customizable interface for control and interaction. It supports various components like joysticks and buttons, streamlining hobbyist and professional projects.

**Highlights:** Bluetooth/BLE connectivity, Customizable control interface, D-pads, joysticks, buttons, sliders, Text input support, Works with Arduino and Raspberry Pi, Writable custom service communication

**Features:** macOS Compatibility

**In-app purchases:** none


### Wind Calculator

[App page](https://appshunter.io/ios/app/wind-calculator-check-limits/id6778305666)

**In-app purchases:** none


## Frequently asked questions

### Is MicroBlue free?

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

### Is Wind Calculator free?

Wind Calculator costs $1.99, with no in-app purchases.

### Do MicroBlue or Wind Calculator have ads?

Neither MicroBlue nor Wind Calculator shows ads.

### Which is updated more often, MicroBlue or Wind Calculator?

MicroBlue ships an update every 3 months, and Wind Calculator every 2 days. Most recently, MicroBlue was updated on July 6, 2026 and Wind Calculator on September 8, 2026.

---

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