# fastreadi vs DayHerder

The clearest difference is in-app purchases: DayHerder at none against fastreadi's 2. DayHerder also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. fastreadi sells 2 in-app purchases, starting at $7.99 per month. DayHerder asks for nothing beyond the download.

fastreadi ships an update every 10 days, DayHerder every 8 days. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | fastreadi | DayHerder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fastreadi/id6757988542/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 247 MB | 43 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Batista Tome Oliviera](https://appshunter.io/developer/1773181476) | [Drover Systems LLC](https://appshunter.io/developer/1883892259) |

## What reviewers say

### fastreadi

[App page](https://appshunter.io/ios/app/fastreadi/id6757988542)

Enhance reading speed and comprehension with AI-powered tools. This app offers speed reading modes, automatic flashcard generation, and spaced repetition to improve study habits and exam performance. It supports various file formats and includes a gamified study companion.

**Highlights:** Speed reading with RSVP technology, AI-generated flashcards and summaries, Spaced repetition for retention, Support for EPUB, MOBI, PDF, URL, and text, Image text extraction, Gamified study companion, Offline library and progress tracking

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $7.99 | per month |
| Annual | $39.99 | per year |


### DayHerder

[App page](https://appshunter.io/ios/app/dayherder/id6760325499)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is fastreadi free?

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

### Is DayHerder free?

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

### Do fastreadi or DayHerder have ads?

fastreadi shows ads; DayHerder does not.

### Which is updated more often, fastreadi or DayHerder?

fastreadi ships an update every 10 days, and DayHerder every 8 days. Most recently, fastreadi was updated on October 12, 2026 and DayHerder on October 24, 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.*