# FieldBus Toolkit vs Balkonizer

The clearest difference is in-app purchases: Balkonizer at none against FieldBus Toolkit's 1. Balkonizer also leads on ads (none vs shown) and update cadence (every 10 days vs every 2 months). FieldBus Toolkit's advantage is iOS requirement (13.0 vs 26.0). On price and device support there is nothing between them.

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

FieldBus Toolkit ships an update every 2 months, Balkonizer every 10 days. The most recent releases landed on October 9, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | FieldBus Toolkit | Balkonizer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | — | Free |
| Size | 29 MB | 8 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [DONGSOO LEE](https://appshunter.io/developer/1868670088) | [Patrick Rathjen](https://appshunter.io/developer/6782569498) |

## What reviewers say

### 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 |


### Balkonizer

[App page](https://appshunter.io/ios/app/balkonizer/id6782569496)

Monitor your mini-PV system's electricity production in real-time. Track yields, analyze daily values, and optimize your self-consumption with detailed statistics and a savings calculator.

**Highlights:** Live electricity production monitoring, Detailed yield statistics (daily, monthly, yearly), Savings calculator for solar power, CO2 emission savings tracking, Modern iOS design

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FieldBus Toolkit free?

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

### Is Balkonizer free?

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

### Do FieldBus Toolkit or Balkonizer have ads?

FieldBus Toolkit shows ads; Balkonizer does not.

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

FieldBus Toolkit ships an update every 2 months, and Balkonizer every 10 days. Most recently, FieldBus Toolkit was updated on October 9, 2026 and Balkonizer on October 19, 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.*