# 4i Toolbox vs iTechGuy

The clearest difference is in-app purchases: 4i Toolbox at none against iTechGuy's 3. iTechGuy's advantage is update cadence (weekly vs every 3 months) and ratings volume (9 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. iTechGuy sells 3 one-off in-app purchases. 4i Toolbox asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for 4i Toolbox against 5.0 for iTechGuy. That said, the two scores are not equally well evidenced: iTechGuy has 9 ratings behind it against 1, so its average is the more settled of the two.

4i Toolbox ships an update every 3 months, iTechGuy weekly. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 4i Toolbox | iTechGuy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/4i-toolbox/id1528199917/reviews) | [5.0 (9 ratings)](https://appshunter.io/ios/app/itechguy/id6469687817/reviews) |
| Number of ratings | 1 | **9** |
| Positive reviews | — | 88.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 44 MB | 24 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [4i Platform Inc.](https://appshunter.io/developer/1566439336) | [Yunyan Qi](https://appshunter.io/developer/1711499890) |

## What reviewers say

### 4i Toolbox

[App page](https://appshunter.io/ios/app/4i-toolbox/id1528199917)

Configure, set up, and run analyses on hardware devices remotely. Monitor devices in real time, track signals, and control DOT PLCs. Offers personalized customer support from experts.

**Highlights:** Remote device setup and configuration, Real-time device supervision, Signal tracking, DOT PLC control, Hardware analysis, Personalized customer support

**Features:** macOS Compatibility

**In-app purchases:** none


### iTechGuy

[App page](https://appshunter.io/ios/app/itechguy/id6469687817)

Get accurate and up-to-date tech advice powered by AI and RAG technology. Ask complex questions about electronics and software, and receive detailed answers, with direct ChatGPT responses also available for reference. Chat history is automatically saved for each session.

**Highlights:** AI-powered tech advice, RAG technology integration, Direct ChatGPT reference, Chat history saving, Adjustable 'fast mode'

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Query Limit | $9.99 | one-time |
| Unlock History View Limit | $19.99 | one-time |
| Enable Copying | $19.99 | one-time |


## Frequently asked questions

### Is 4i Toolbox free?

4i Toolbox is free to download, with no in-app purchases.

### Is iTechGuy free?

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

### Which has better reviews, 4i Toolbox or iTechGuy?

4i Toolbox and iTechGuy are both rated 5.0 out of 5 on the App Store, from 1 and 9 ratings respectively.

### Do 4i Toolbox or iTechGuy have ads?

Neither 4i Toolbox nor iTechGuy shows ads.

### Which is updated more often, 4i Toolbox or iTechGuy?

4i Toolbox ships an update every 3 months, and iTechGuy weekly. Most recently, 4i Toolbox was updated on October 8, 2026 and iTechGuy on October 3, 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.*