# PLC AI vs DB Component Decoder

The clearest difference is in-app purchases: DB Component Decoder at none against PLC AI's 16. DB Component Decoder also leads on update cadence (every 3 days vs every 3 weeks). PLC AI's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. PLC AI sells 16 in-app purchases, starting at $4.99 per 7 days. DB Component Decoder asks for nothing beyond the download.

PLC AI ships an update every 3 weeks, DB Component Decoder every 3 days. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | PLC AI | DB Component Decoder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (75 ratings)](https://appshunter.io/ios/app/plc-ai-plc-ladder-simulator/id6476665383/reviews)** | — |
| Number of ratings | **75** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 860 MB | 18 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [RODRIGO DIAZ](https://appshunter.io/developer/1575990541) | [Davide Bertolino](https://appshunter.io/developer/942509339) |

## What reviewers say

### PLC AI

[App page](https://appshunter.io/ios/app/plc-ai-plc-ladder-simulator/id6476665383)

Learn industrial automation and PLC programming through realistic simulations. Practice with Rockwell and Siemens systems, including ladder logic, SCADA, HMI, and VFDs. AI-powered tools offer smart diagnostics and feedback for skill development.

**Highlights:** PLC Ladder Logic Simulation, Rockwell & Siemens Training, AI-powered Diagnostics, SCADA & HMI Development, VFD Integration, Industrial Networking Practice

**Features:** macOS Compatibility

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WEEKLY PACKAGE 3 | $4.99 | per 7 days |
| WEEKLY PACKAGE 2 | $6.99 | per 7 days |
| MONTHLY PACKAGE 3 | $9.99 | per month |
| Weekly | $9.99 | per 7 days |
| MONTHLY PACKAGE 2 | $13.99 | per month |
| Monthly | $19.99 | per month |
| Black Friday | $28.99 | per year |
| Trimestral | $29.99 | per 3 months |
| Annual Offer | $39.99 | per year |
| Annual Offer | $54.99 | per year |
| ANNUAL PACKAGE 3 | $59.99 | per year |
| ANNUAL PACKAGE 2 | $94.99 | per year |
| Christmas Annual Membership | $119.99 | per year |
| Annual | $129.99 | per year |
| ALL IN ONE | $149.99 | per year |
| Lifetime | Free | one-time |


### DB Component Decoder

[App page](https://appshunter.io/ios/app/db-component-decoder/id6760971927)

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

**In-app purchases:** none


## Frequently asked questions

### Is PLC AI free?

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

### Is DB Component Decoder free?

DB Component Decoder is free to download, with no in-app purchases.

### Do PLC AI or DB Component Decoder have ads?

Neither PLC AI nor DB Component Decoder shows ads.

### Which is updated more often, PLC AI or DB Component Decoder?

PLC AI ships an update every 3 weeks, and DB Component Decoder every 3 days. Most recently, PLC AI was updated on October 12, 2026 and DB Component Decoder on October 5, 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.*