# AEF ISOBUS DB vs Speed Reader

The clearest difference is rating: Speed Reader at 4.1 against AEF ISOBUS DB's 1.0. Speed Reader also leads on update cadence (every 5 days vs every 10 months) and review sentiment (60% vs 50%). AEF ISOBUS DB's advantage is in-app purchases (none vs 9) and iOS requirement (11.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Speed Reader sells 9 in-app purchases, starting at $4.99 per month. AEF ISOBUS DB asks for nothing beyond the download.

Speed Reader holds the better App Store score, 4.1 against 1.0. Both are backed by a comparable volume of ratings — 3 and 13 respectively. Written reviews point the same way: 50% of AEF ISOBUS DB's written reviews are positive against 60% of Speed Reader's.

AEF ISOBUS DB ships an update every 10 months, Speed Reader every 5 days. The most recent releases landed on October 14, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | AEF ISOBUS DB | Speed Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (3 ratings)](https://appshunter.io/ios/app/aef-isobus-db/id1007540945/reviews) | **[4.1 (13 ratings)](https://appshunter.io/ios/app/speed-reader-rsvp-reader/id6757968737/reviews)** |
| Number of ratings | 3 | **13** |
| Positive reviews | 50.0% of reviews | **60.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 7 MB | 85 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Agricultural Industry Electronics Foundation e.V.](https://appshunter.io/developer/1007540734) | [Amenti Labs LLC](https://appshunter.io/developer/1788668924) |

## What reviewers say

### AEF ISOBUS DB

[App page](https://appshunter.io/ios/app/aef-isobus-db/id1007540945)

Access a comprehensive database of ISOBUS-certified agricultural machinery and devices. Easily check compatibility between tractors and implements, discover functionalities, and compare alternatives. Ensure your equipment works together seamlessly.

**Highlights:** ISOBUS database access, Tractor/implement compatibility checks, Functionality discovery, Alternative comparison, Certification status lookup, Share compatibility information

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

**In-app purchases:** none


### Speed Reader

[App page](https://appshunter.io/ios/app/speed-reader-rsvp-reader/id6757968737)

Enhance your reading speed and comprehension with a scientifically-backed method that presents words one at a time. Import content from various sources, adjust your pace, and track your progress to finish your reading list faster.

**Highlights:** Rapid Serial Visual Presentation (RSVP) technology, Optimal Recognition Point (ORP) highlighting, Adjustable reading speed (100-1000+ WPM), Import from clipboard, URLs, camera, and Share extension, Safari extension for article extraction, Progress tracking and bookmarks

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| RSVP Reader Weekly | $4.99 | per 7 days |
| Pro Monthly | $4.99 | per month |
| Pro Weekly | $7.99 | per 7 days |
| Pro Yearly Special Offer | $29.99 | per year |
| Pro Yearly | $39.99 | per year |
| Pro Yearly | $59.99 | per year |
| Pro Yearly | $59.99 | per year |
| Pro Lifetime | $119.00 | one-time |


## Frequently asked questions

### Is AEF ISOBUS DB free?

AEF ISOBUS DB is free to download, with no in-app purchases.

### Is Speed Reader free?

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

### Which has better reviews, AEF ISOBUS DB or Speed Reader?

Speed Reader is rated higher. AEF ISOBUS DB averages 1.0 out of 5 from 3 ratings, while Speed Reader averages 4.1 from 13 ratings.

### Do AEF ISOBUS DB or Speed Reader have ads?

Neither AEF ISOBUS DB nor Speed Reader shows ads.

### Which is updated more often, AEF ISOBUS DB or Speed Reader?

AEF ISOBUS DB ships an update every 10 months, and Speed Reader every 5 days. Most recently, AEF ISOBUS DB was updated on October 14, 2026 and Speed Reader on October 19, 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.*