Helen Plum Library vs QI Encyclopedia
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Helen Plum Library
Access your library's collection from your mobile device. Search for books, movies, and games, place holds, check due dates, and renew items. Use the app as your digital library card for convenient access.
- Search catalog
- Place holds
- Check due dates
- Renew items
- Digital library card
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The Helen Plum Library App allows you to explore your Library on the go to find new books, movies, games, or your old favorites! Quickly search the entire catalog, including digital materials. Place holds, check due dates, and renew eligible titles. You can even use the app as your digital Library card!
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
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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 Helen Plum Library's 3.0. Helen Plum Library's advantage is ratings volume (6 vs 2). On price, update cadence, ads and in-app purchases 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 3.0. Both are backed by a comparable volume of ratings — 6 and 2 respectively.
Helen Plum Library ships an update every 5 weeks, QI Encyclopedia every 3 weeks. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.
| Parameter | Helen Plum Library | QI Encyclopedia |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (6 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 6 — better | 2 |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 56 MB | 183 MB |
| Age rating | 4+ | 4+ |
| Developer | Helen Plum Public Library | Jennifer Foster |
Customer experience
Helen Plum Library
QI Encyclopedia
In-app purchases
Helen Plum Library
No in-app purchases
QI Encyclopedia
No in-app purchases
Questions
Is Helen Plum Library free?
Is QI Encyclopedia free?
Which has better reviews, Helen Plum Library or QI Encyclopedia?
Do Helen Plum Library or QI Encyclopedia have ads?
Which is updated more often, Helen Plum Library or QI Encyclopedia?
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