# Ble2Serial vs FieldBus Toolkit

The clearest difference is in-app purchases: Ble2Serial at none against FieldBus Toolkit's 1. Ble2Serial also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. FieldBus Toolkit sells 1 one-off in-app purchase. Ble2Serial asks for nothing beyond the download.

Ble2Serial ships an update every 4 weeks, FieldBus Toolkit every 2 months. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Ble2Serial | FieldBus Toolkit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Size | 18 MB | 29 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FUH CHERNG SHEU](https://appshunter.io/developer/1063937264) | [DONGSOO LEE](https://appshunter.io/developer/1868670088) |

## What reviewers say

### Ble2Serial

[App page](https://appshunter.io/ios/app/ble2serial/id1593360257)

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

**In-app purchases:** none


### FieldBus Toolkit

[App page](https://appshunter.io/ios/app/fieldbus-toolkit/id6758210279)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Ble2Serial free?

Ble2Serial is free to download, with no in-app purchases.

### Is FieldBus Toolkit free?

FieldBus Toolkit is free to download, with in-app purchases available.

### Do Ble2Serial or FieldBus Toolkit have ads?

FieldBus Toolkit shows ads; Ble2Serial does not.

### Which is updated more often, Ble2Serial or FieldBus Toolkit?

Ble2Serial ships an update every 4 weeks, and FieldBus Toolkit every 2 months. Most recently, Ble2Serial was updated on October 2, 2026 and FieldBus Toolkit on October 9, 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.*