# Java SE8 Certification 1Z0 vs RR

The clearest difference is in-app purchases: RR at none against Java SE8 Certification 1Z0's 1. RR also leads on update cadence (daily vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Java SE8 Certification 1Z0 sells 1 one-off in-app purchase. RR asks for nothing beyond the download.

Java SE8 Certification 1Z0 ships an update every 6 weeks, RR daily. The most recent releases landed on September 3, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Java SE8 Certification 1Z0 | RR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rr-rapidreads/id6502781543/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 2 MB | 2 MB |
| Requires iOS | **13.2** | 14.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Microstone Inc.](https://appshunter.io/developer/791918315) | [Nathan Fennel](https://appshunter.io/developer/968469779) |

## What reviewers say

### Java SE8 Certification 1Z0

[App page](https://appshunter.io/ios/app/java-se8-certification-1z0-808/id1498331372)

Prepare for the Java SE 8 Programmer I certification exam with a comprehensive question bank. Build a foundational understanding of Java and demonstrate high-level skills for professional development.

**Highlights:** 137 exam questions, Java SE 8 Programmer I focus, Certification preparation, Foundational Java understanding, Professional developer skills

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Java Silver 137 Questions | $6.99 | one-time |


### RR

[App page](https://appshunter.io/ios/app/rr-rapidreads/id6502781543)

Enhance your reading efficiency with this app. It offers customizable speed, font, and size settings for a personalized experience. Track your progress and improve comprehension on iOS, iPadOS, and Mac.

**Highlights:** Customizable reading speeds, Adjustable fonts and sizes, Personalized reading experience, Progress tracking, Word-by-word reading

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Java SE8 Certification 1Z0 free?

Java SE8 Certification 1Z0 is free to download, with in-app purchases available.

### Is RR free?

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

### Do Java SE8 Certification 1Z0 or RR have ads?

Neither Java SE8 Certification 1Z0 nor RR shows ads.

### Which is updated more often, Java SE8 Certification 1Z0 or RR?

Java SE8 Certification 1Z0 ships an update every 6 weeks, and RR daily. Most recently, Java SE8 Certification 1Z0 was updated on September 3, 2026 and RR on September 21, 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.*