# Opto vs Redd

The clearest difference is rating: Opto at 5.0 against Redd's 4.3. Opto also leads on review sentiment (100% vs 75%). Redd's advantage is monetization model (free vs free with in-app purchases) and update cadence (weekly vs every 6 weeks). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Opto sells 3 one-off in-app purchases and Redd sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Opto holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 100% of Opto's written reviews are positive against 75% of Redd's.

Opto ships an update every 6 weeks, Redd weekly. The most recent releases landed on September 23, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Opto | Redd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/opto/id6755516912/reviews)** | [4.3 (4 ratings)](https://appshunter.io/ios/app/redd-speed-reader/id6757965939/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | **100.0% of reviews** | 75.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 1 MB | 35 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Finbar Allan](https://appshunter.io/developer/1854348483) | [Monosphere](https://appshunter.io/developer/1783637905) |

## What reviewers say

### Opto

[App page](https://appshunter.io/ios/app/opto/id6755516912)

Quickly organize your photo library with an intuitive swipe interface. Keep, delete, or favorite images with simple gestures, all processed locally on your device. Reclaim storage space and manage your memories efficiently without cloud uploads.

**Highlights:** Swipe-based photo organization, Keep, delete, and favorite photos, Local on-device processing, Review queue for deleted photos, Smooth animations and haptic feedback, Works with entire photo library

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Espresso | $1.99 | one-time |
| Cappuccino | $3.99 | one-time |
| Irish Coffee | $8.99 | one-time |


### Redd

[App page](https://appshunter.io/ios/app/redd-speed-reader/id6757965939)

This app enhances reading speed using a unique "Rolling Chunk" engine that presents text in fluid segments, unlike traditional word-by-word flashers. It supports web articles, PDFs, and ePubs, offering adjustable speeds and a smart library to save progress. All processing is done locally for enhanced privacy.

**Highlights:** Rolling Chunk engine for fluid text presentation, Supports web articles, PDFs, and ePubs, Adjustable reading speed (200-1000 WPM), Smart library saves reading progress, 100% local text processing for privacy, Light and Dark themes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small tip | $2.99 | one-time |
| Generous tip | $4.99 | one-time |
| Amazing support | $9.99 | one-time |


## Frequently asked questions

### Is Opto free?

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

### Is Redd free?

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

### Which has better reviews, Opto or Redd?

Opto is rated higher. Opto averages 5.0 out of 5 from 1 ratings, while Redd averages 4.3 from 4 ratings.

### Do Opto or Redd have ads?

Neither Opto nor Redd shows ads.

### Which is updated more often, Opto or Redd?

Opto ships an update every 6 weeks, and Redd weekly. Most recently, Opto was updated on September 23, 2026 and Redd on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*