# MTools BLE RFID Reader vs Sudoku Solver

The clearest difference is price: MTools BLE RFID Reader at Free against Sudoku Solver's $3.99. MTools BLE RFID Reader also leads on update cadence (every 4 days vs every 2 months) and iOS requirement (15.0 vs 17.0). Sudoku Solver's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

MTools BLE RFID Reader is free to download; Sudoku Solver costs $3.99 up front. MTools BLE RFID Reader sells 1 one-off in-app purchase. Sudoku Solver asks for nothing beyond the download.

MTools BLE RFID Reader ships an update every 4 days, Sudoku Solver every 2 months. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | MTools BLE RFID Reader | Sudoku Solver |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[3.8 (17 ratings)](https://appshunter.io/ios/app/mtools-ble-rfid-reader/id1531345398/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [MTools Tec Co., Ltd](https://appshunter.io/developer/1531056218) | [Karl Groethe](https://appshunter.io/developer/6785324277) |

## What reviewers say

### MTools BLE RFID Reader

[App page](https://appshunter.io/ios/app/mtools-ble-rfid-reader/id1531345398)

This application allows users to read and write data to various NFC tags using compatible BLE devices. It offers advanced features for managing and editing tag data, including UID manipulation and firmware upgrades for supported hardware.

**Highlights:** Read and write NFC tags, Mifare Classic and Ultralight support, UID changer for magic cards, Tag dump editor, ChameleonUltra device management, Firmware upgrades, Tag scanner and ID logger

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MTools Premium | $8.99 | one-time |


### Sudoku Solver

[App page](https://appshunter.io/ios/app/sudoku-solver-camera-scan/id6790636152)

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

**In-app purchases:** none


## Frequently asked questions

### Is MTools BLE RFID Reader free?

MTools BLE RFID Reader is free to download, with in-app purchases available.

### Is Sudoku Solver free?

Sudoku Solver costs $3.99, with no in-app purchases.

### Do MTools BLE RFID Reader or Sudoku Solver have ads?

Neither MTools BLE RFID Reader nor Sudoku Solver shows ads.

### Which is updated more often, MTools BLE RFID Reader or Sudoku Solver?

MTools BLE RFID Reader ships an update every 4 days, and Sudoku Solver every 2 months. Most recently, MTools BLE RFID Reader was updated on October 10, 2026 and Sudoku Solver on October 13, 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.*