# EspBlufi vs NyearRuler

The clearest difference is iOS requirement: EspBlufi at 10.0 against NyearRuler's 12.0. On price, update cadence, 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.

EspBlufi ships an update every 2 months, NyearRuler every 6 weeks. The most recent releases landed on September 15, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | EspBlufi | NyearRuler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/espblufi/id1450614082/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 3 MB | 23 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.](https://appshunter.io/developer/1071176699) | [新胜 吴](https://appshunter.io/developer/895484226) |

## What reviewers say

### EspBlufi

[App page](https://appshunter.io/ios/app/espblufi/id1450614082)

This utility app facilitates communication with IoT devices using BLE data. It enables device distribution and custom data transmission, requiring the external device to be powered on for connection.

**Highlights:** BLE communication with IoT devices, Device distribution, Custom data transmission, Custom data reception, Search and connect functionality

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

**In-app purchases:** none


### NyearRuler

[App page](https://appshunter.io/ios/app/nyearruler/id6499182055)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EspBlufi free?

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

### Is NyearRuler free?

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

### Do EspBlufi or NyearRuler have ads?

Neither EspBlufi nor NyearRuler shows ads.

### Which is updated more often, EspBlufi or NyearRuler?

EspBlufi ships an update every 2 months, and NyearRuler every 6 weeks. Most recently, EspBlufi was updated on September 15, 2026 and NyearRuler on September 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.*