# Dostoyevsky vs QI Encyclopedia

The clearest difference is price: QI Encyclopedia at Free against Dostoyevsky's $1.99. QI Encyclopedia also leads on update cadence (every 3 weeks vs every 19 months). Dostoyevsky's advantage is device support (4 vs 2) and iOS requirement (9.0 vs 15.0). On ads and in-app purchases there is nothing between them.

QI Encyclopedia is free to download; Dostoyevsky costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Dostoyevsky ships an update every 19 months, QI Encyclopedia every 3 weeks. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Dostoyevsky | QI Encyclopedia |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/qi-encyclopedia/id6478165692/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 51 MB | 183 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [俊 姜](https://appshunter.io/developer/974809005) | [Jennifer Foster](https://appshunter.io/developer/1732037473) |

## What reviewers say

### Dostoyevsky

[App page](https://appshunter.io/ios/app/dostoyevsky/id1086533319)

Explore the psychological depth of Fyodor Dostoyevsky's literary works. Access over 15 of his famous novels and short stories in multiple languages, alongside his insightful quotes. Delve into the minds of complex characters and profound philosophical themes.

**Highlights:** 25 Dostoyevsky literary works, Multiple title languages, Famous Dostoyevsky quotes, Psychological exploration, Offline access to books

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Dostoyevsky free?

Dostoyevsky costs $1.99, with no in-app purchases.

### Is QI Encyclopedia free?

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

### Do Dostoyevsky or QI Encyclopedia have ads?

Neither Dostoyevsky nor QI Encyclopedia shows ads.

### Which is updated more often, Dostoyevsky or QI Encyclopedia?

Dostoyevsky ships an update every 19 months, and QI Encyclopedia every 3 weeks. Most recently, Dostoyevsky was updated on November 6, 2026 and QI Encyclopedia on November 4, 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.*