# KROHNE PICK Mobile vs PLC Ninja

The clearest difference is in-app purchases: KROHNE PICK Mobile at none against PLC Ninja's 6. KROHNE PICK Mobile also leads on device support (3 vs 1) and iOS requirement (14.2 vs 17.6). PLC Ninja's advantage is update cadence (every 3 weeks vs every 2 months). On price and ads there is nothing between them.

Both are free to download. PLC Ninja sells 6 in-app purchases, starting at $3.99 per month. KROHNE PICK Mobile asks for nothing beyond the download.

KROHNE PICK Mobile ships an update every 2 months, PLC Ninja every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | KROHNE PICK Mobile | PLC Ninja |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/plc-ninja/id6805188950/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 89 MB | 10 MB |
| Requires iOS | **14.2** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KROHNE Messtechnik GmbH](https://appshunter.io/developer/1445655816) | [SHAOHUA YI](https://appshunter.io/developer/6805189132) |

## What reviewers say

### KROHNE PICK Mobile

[App page](https://appshunter.io/ios/app/krohne-pick-mobile/id1661952103)

**Features:** macOS Compatibility

**In-app purchases:** none


### PLC Ninja

[App page](https://appshunter.io/ios/app/plc-ninja/id6805188950)

Access live PLC data directly from your mobile device. Connect via Ethernet, Wi-Fi, or serial adapter to monitor inputs, outputs, timers, counters, and analog values in real-time while in the field.

**Highlights:** Real-time PLC data monitoring, Ethernet, Wi-Fi, and serial connection support, View inputs and outputs, Monitor timers and counters, Access analog values

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard | $3.99 | per month |
| Professional | $8.99 | per month |
| Ultimate | $14.99 | per month |
| Standard | $39.99 | per year |
| Professional | $89.99 | per year |
| Ultimate | $149.99 | per year |


## Frequently asked questions

### Is KROHNE PICK Mobile free?

KROHNE PICK Mobile is free to download, with no in-app purchases.

### Is PLC Ninja free?

PLC Ninja is free to download, with in-app purchases available.

### Do KROHNE PICK Mobile or PLC Ninja have ads?

Neither KROHNE PICK Mobile nor PLC Ninja shows ads.

### Which is updated more often, KROHNE PICK Mobile or PLC Ninja?

KROHNE PICK Mobile ships an update every 2 months, and PLC Ninja every 3 weeks. Most recently, KROHNE PICK Mobile was updated on November 3, 2026 and PLC Ninja on October 31, 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.*