# Nova vs PLC Assistance

The clearest difference is in-app purchases: PLC Assistance at none against Nova's 3. PLC Assistance also leads on ads (none vs shown) and update cadence (weekly vs every 3 weeks). Nova's advantage is device support (3 vs 1). On price and iOS requirement there is nothing between them.

Both are free to download. Nova sells 3 in-app purchases, starting at $6.99 per 7 days. PLC Assistance asks for nothing beyond the download.

Nova ships an update every 3 weeks, PLC Assistance weekly. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Nova | PLC Assistance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (36 ratings)](https://appshunter.io/ios/app/plc-assistance/id6766073582/reviews)** |
| Number of ratings | — | **36** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Free |
| Size | 120 MB | 10 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Diep Ngoc Nguyen](https://appshunter.io/developer/1030690625) | [Zhihao Wang](https://appshunter.io/developer/1896185663) |

## What reviewers say

### Nova

[App page](https://appshunter.io/ios/app/nova-smart-ai-assistant/id6761101416)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $6.99 | per 7 days |
| Monthly Subscription | $9.99 | per month |
| AI Master Subscription | $49.99 | per year |


### PLC Assistance

[App page](https://appshunter.io/ios/app/plc-assistance/id6766073582)

This AI-powered tool assists electrical and automation engineers in understanding PLC logic, troubleshooting issues, and enhancing their workflow. It provides instant answers and programming support for various industrial automation systems, helping users save time and improve efficiency.

**Highlights:** PLC programming support (ladder logic, structured text), Troubleshooting and debugging guidance, Instant answers for industrial automation problems, AI assistant tailored for engineers, Support for Siemens, Allen-Bradley, and other PLC systems

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Nova free?

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

### Is PLC Assistance free?

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

### Do Nova or PLC Assistance have ads?

Nova shows ads; PLC Assistance does not.

### Which is updated more often, Nova or PLC Assistance?

Nova ships an update every 3 weeks, and PLC Assistance weekly. Most recently, Nova was updated on October 24, 2026 and PLC Assistance on October 23, 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.*