# 4DFEST vs SlowRead

The clearest difference is in-app purchases: 4DFEST at none against SlowRead's 4. 4DFEST also leads on iOS requirement (15.0 vs 17.6). SlowRead's advantage is update cadence (every 3 days vs every 3 months) and chart position (#29 vs unranked). On price, ads and device support there is nothing between them.

Both are free to download. SlowRead sells 4 in-app purchases, starting at $8.39 per 7 days. 4DFEST asks for nothing beyond the download.

4DFEST ships an update every 3 months, SlowRead every 3 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 4DFEST | SlowRead |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (793 ratings)](https://appshunter.io/ios/app/slowread-book-tracker-and-tbr/id6763293288/reviews)** |
| Number of ratings | — | **793** |
| Positive reviews | — | 25.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Best chart rank | — | **#29** |
| Size | 53 MB | 117 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [4D DANCE CIC](https://appshunter.io/developer/1876824502) | [Adrian Martinez Moreno](https://appshunter.io/developer/1864939018) |

## What reviewers say

### 4DFEST

[App page](https://appshunter.io/ios/app/4dfest/id6759094438)

**Features:** macOS Compatibility

**In-app purchases:** none


### SlowRead

[App page](https://appshunter.io/ios/app/slowread-book-tracker-and-tbr/id6763293288)

**Currently charting:** #29 Top Free · Book, #40 Top Grossing · Book (US App Store)

This app helps you build a visually appealing digital bookshelf and encourages focused reading sessions by blocking distracting apps. Track your reading progress, organize your library, and create a personalized reading ritual.

**Highlights:** Customizable 2.5D digital bookshelf, Distraction-blocking focus sessions, Reading streak tracking, TBR and library organization, Effortless book addition (scan, search, photo), Import from Goodreads (CSV), Private, local-first library

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $8.39 | per 7 days |
| Premium Annual Offer | $32.99 | per year |
| Premium Annual | $44.99 | per year |
| Lifetime access to Slowread | $149.99 | one-time |


## Frequently asked questions

### Is 4DFEST free?

4DFEST is free to download, with no in-app purchases.

### Is SlowRead free?

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

### Do 4DFEST or SlowRead have ads?

Both 4DFEST and SlowRead show ads.

### Which is updated more often, 4DFEST or SlowRead?

4DFEST ships an update every 3 months, and SlowRead every 3 days. Most recently, 4DFEST was updated on October 28, 2026 and SlowRead on October 31, 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.*