# QI Encyclopedia vs Reading Rhythms

The clearest difference is rating: QI Encyclopedia at 5.0 against Reading Rhythms's 4.3. QI Encyclopedia also leads on in-app purchases (none vs 8). Reading Rhythms's advantage is update cadence (every 3 days vs every 3 weeks) and chart position (#198 vs unranked). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Reading Rhythms sells 8 in-app purchases, starting at $4.00 per month. QI Encyclopedia asks for nothing beyond the download.

QI Encyclopedia holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Reading Rhythms has 15 ratings behind it against 2, so its average is the more settled of the two.

QI Encyclopedia ships an update every 3 weeks, Reading Rhythms every 3 days. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | QI Encyclopedia | Reading Rhythms |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/qi-encyclopedia/id6478165692/reviews)** | [4.3 (15 ratings)](https://appshunter.io/ios/app/reading-rhythms/id6756758427/reviews) |
| Number of ratings | 2 | **15** |
| Positive reviews | — | 72.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#198** |
| Size | 183 MB | 51 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Jennifer Foster](https://appshunter.io/developer/1732037473) | [Reading Rhythms LLC](https://appshunter.io/developer/1862644244) |

## What reviewers say

### QI Encyclopedia

[App page](https://appshunter.io/ios/app/qi-encyclopedia/id6478165692)

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.

**Highlights:** Search and Filter, Selectable Table of Contents, Comprehensive Glossary, Offline Access to Content, All Text and Graphics Included

**In-app purchases:** none


### Reading Rhythms

[App page](https://appshunter.io/ios/app/reading-rhythms/id6756758427)

**Currently charting:** #198 Top Grossing · Book (US App Store)

Connect with fellow book lovers to share your passion for reading. Discover new books, join virtual reading parties, and find your next book bestie. This app aims to foster a sense of belonging through shared literary experiences.

**Highlights:** Connect with like-minded readers, Cozy reading party events (virtual), Curated book recommendations, Taste quiz for personalization, Community book picks, Global virtual reading parties

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bookmark | $4.00 | per month |
| Global Passport | $9.00 | per month |
| Avid Reader Passport | $19.00 | per month |
| First Class Passport | $29.00 | per month |
| All Access | $39.00 | per month |
| Avid Reader Passport | $49.00 | per 3 months |
| First Class Passport | $68.00 | per 3 months |
| First Class Passport | $79.00 | per 3 months |


## Frequently asked questions

### Is QI Encyclopedia free?

QI Encyclopedia is free to download, with no in-app purchases.

### Is Reading Rhythms free?

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

### Which has better reviews, QI Encyclopedia or Reading Rhythms?

QI Encyclopedia is rated higher. QI Encyclopedia averages 5.0 out of 5 from 2 ratings, while Reading Rhythms averages 4.3 from 15 ratings.

### Do QI Encyclopedia or Reading Rhythms have ads?

Neither QI Encyclopedia nor Reading Rhythms shows ads.

### Which is updated more often, QI Encyclopedia or Reading Rhythms?

QI Encyclopedia ships an update every 3 weeks, and Reading Rhythms every 3 days. Most recently, QI Encyclopedia was updated on September 30, 2026 and Reading Rhythms on October 10, 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.*