iVOX vs QI Encyclopedia
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iVOX
This app offers an immersive reading experience for children aged 4-8, bringing books to life with multi-dimensional technology. Access is granted through a school or library subscription.
- Immersive reading experience
- Multi-dimensional technology
- Engages children with books
- Brings stories to life
- Designed for ages 4-8
Read full descriptionHide full description
The iVOX app is a new development in reading for children, ages 4-8. It’s an immersive and transformative experience that uses state-of-the art, multi-dimensional technology to engage kids in books like nothing before. It makes books come alive! This is a free app, but you must belong to a school or library that has subscribed to the service.
QI Encyclopedia
Access a comprehensive encyclopedia of public health quality improvement resources. Features include search, filtering, a table of contents, and a glossary. All content and graphics are available offline.
- Search and Filter
- Selectable Table of Contents
- Comprehensive Glossary
- Offline Access to Content
- All Text and Graphics Included
Read full descriptionHide full description
Full access to the Public Health Quality Improvement Encyclopedia with features including Search and Filter, a selectable Table of Contents, and a comprehensive Glossary. All encyclopedia text and graphics are included in this application. Published by The Public Health Foundation (PHF)
Screenshots
Verdict
The clearest difference is rating: QI Encyclopedia at 5.0 against iVOX's 3.7. QI Encyclopedia also leads on update cadence (every 3 weeks vs every 2 months). iVOX's advantage is ratings volume (17 vs 2). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
QI Encyclopedia holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: iVOX has 17 ratings behind it against 2, so its average is the more settled of the two.
iVOX ships an update every 2 months, QI Encyclopedia every 3 weeks. The most recent releases landed on August 21, 2026 and June 5, 2026 respectively.
| Parameter | iVOX | QI Encyclopedia |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (17 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 17 — better | 2 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 172 MB | 183 MB |
| Age rating | 4+ | 4+ |
| Developer | Library Ideas, LLC | Jennifer Foster |
Customer experience
iVOX
QI Encyclopedia
In-app purchases
iVOX
No in-app purchases
QI Encyclopedia
No in-app purchases
Questions
Is iVOX free?
Is QI Encyclopedia free?
Which has better reviews, iVOX or QI Encyclopedia?
Do iVOX or QI Encyclopedia have ads?
Which is updated more often, iVOX or QI Encyclopedia?
Other comparisons
