# Speedy Reader vs SdvigApp

The clearest difference is device support: Speedy Reader at 3 against SdvigApp's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Speedy Reader sells 2 one-off in-app purchases and SdvigApp sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Speedy Reader ships an update every 2 weeks, SdvigApp weekly. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Speedy Reader | SdvigApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/speedy-reader-rsvp/id6753229240/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 115 MB | 11 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tran Duc Thu](https://appshunter.io/developer/1814416660) | [Samur Gafurov](https://appshunter.io/developer/6778918335) |

## What reviewers say

### Speedy Reader

[App page](https://appshunter.io/ios/app/speedy-reader-rsvp/id6753229240)

Boost your reading speed and comprehension with this app that uses Rapid Serial Visual Presentation (RSVP) technology. It displays words one at a time, minimizing eye movement distractions and allowing for fully adjustable speeds. Read PDFs, typed text, or clipboard content to save time and improve focus.

**Highlights:** RSVP speed reading technology, Adjustable reading speed, Read PDFs, typed text, and clipboard content, Focus mode to minimize distractions, Save and revisit reading history, Improve comprehension and memory

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ads Free | $9.99 | one-time |
| Premium | $19.99 | one-time |


### SdvigApp

[App page](https://appshunter.io/ios/app/sdvigapp/id6801518679)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SdvigApp Plus | $1.99 | per month |
| SdvigApp Plus | $22.99 | per year |


## Frequently asked questions

### Is Speedy Reader free?

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

### Is SdvigApp free?

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

### Do Speedy Reader or SdvigApp have ads?

Neither Speedy Reader nor SdvigApp shows ads.

### Which is updated more often, Speedy Reader or SdvigApp?

Speedy Reader ships an update every 2 weeks, and SdvigApp weekly. Most recently, Speedy Reader was updated on October 12, 2026 and SdvigApp on October 15, 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.*