# ESA App vs iTechGuy

The clearest difference is in-app purchases: ESA App at none against iTechGuy's 3. ESA App also leads on update cadence (every 3 days vs weekly) and iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

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

ESA App ships an update every 3 days, iTechGuy weekly. The most recent releases landed on September 17, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | ESA App | iTechGuy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/itechguy/id6469687817/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 88.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 24 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [QBAYAR SDN. BHD.](https://appshunter.io/developer/1408563282) | [Yunyan Qi](https://appshunter.io/developer/1711499890) |

## What reviewers say

### ESA App

[App page](https://appshunter.io/ios/app/esa-app/id1456715920)

**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 ESA App free?

ESA App is free to download, with no in-app purchases.

### Is iTechGuy free?

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

### Do ESA App or iTechGuy have ads?

Neither ESA App nor iTechGuy shows ads.

### Which is updated more often, ESA App or iTechGuy?

ESA App ships an update every 3 days, and iTechGuy weekly. Most recently, ESA App was updated on September 17, 2026 and iTechGuy on June 1, 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.*