# 电工PLC题库 vs PLC AI

The clearest difference is in-app purchases: 电工PLC题库 at none against PLC AI's 16. 电工PLC题库 also leads on iOS requirement (11.0 vs 15.0). PLC AI's advantage is update cadence (every 3 weeks vs every 14 months). On price, ads and device support there is nothing between them.

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

电工PLC题库 ships an update every 14 months, PLC AI every 3 weeks. The most recent releases landed on September 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 电工PLC题库 | PLC AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (84 ratings)](https://appshunter.io/ios/app/plc-ai-plc-ladder-simulator/id6476665383/reviews)** |
| Number of ratings | — | **84** |
| Positive reviews | — | 28.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 29 MB | 860 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ShenZhen JiCheng Technology Co.,LTD.](https://appshunter.io/developer/1132617097) | [RODRIGO DIAZ](https://appshunter.io/developer/1575990541) |

## What reviewers say

### 电工PLC题库

[App page](https://appshunter.io/ios/app/plc/id1521131564)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 电工PLC题库 free?

电工PLC题库 is free to download, with no in-app purchases.

### Is PLC AI free?

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

### Do 电工PLC题库 or PLC AI have ads?

Neither 电工PLC题库 nor PLC AI shows ads.

### Which is updated more often, 电工PLC题库 or PLC AI?

电工PLC题库 ships an update every 14 months, and PLC AI every 3 weeks. Most recently, 电工PLC题库 was updated on September 30, 2026 and PLC AI on October 24, 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.*