ESA App vs iTechGuy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ESA App
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The new way for communication for parents.
iTechGuy
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.
- AI-powered tech advice
- RAG technology integration
- Direct ChatGPT reference
- Chat history saving
- Adjustable 'fast mode'
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Ask hard tech questions about computers/electronics/software and get the most accurate and updated answer from iTechGuy. The content is powered by chatGPT and is driven by RAG technology. The answer of iTechGuy is newer and better than chatGPT, whose direct answer is also provided as reference. To get more accurate results, toggle "fast mode" off in settings. Chat history will be saved automatically for each session.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | ESA App | iTechGuy |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (9 ratings) — better |
| Positive reviews | — | 88.9% of reviews |
| Number of ratings | — | 9 — better |
| Update frequency | Every 3 days — better | Weekly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 15 MB | 24 MB |
| Age rating | 4+ | 17+ |
| Developer | QBAYAR SDN. BHD. | Yunyan Qi |
In-app purchases
ESA App
No in-app purchases
iTechGuy
- Unlock Query Limit$9.99
- Unlock History View Limit$19.99
- Enable Copying$19.99
