# getAbstract Book Summaries vs PetroMaster

The clearest difference is in-app purchases: PetroMaster at none against getAbstract Book Summaries's 9. PetroMaster also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. getAbstract Book Summaries sells 8 in-app purchases, starting at $5.99 per month. PetroMaster asks for nothing beyond the download.

getAbstract Book Summaries ships an update every 2 months, PetroMaster every 2 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | getAbstract Book Summaries | PetroMaster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (288 ratings)](https://appshunter.io/ios/app/getabstract-book-summaries/id338552990/reviews)** | — |
| Number of ratings | **288** | — |
| Positive reviews | 72.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Freemium | — |
| Size | 46 MB | 41 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [getAbstract](https://appshunter.io/developer/338552994) | [ALP Turnkey Solutions PVT LTD](https://appshunter.io/developer/1785115911) |

## What reviewers say

### getAbstract Book Summaries

[App page](https://appshunter.io/ios/app/getabstract-book-summaries/id338552990)

Access concise summaries of over 25,000 nonfiction and business books, articles, and video talks. Learn key insights in just 10 minutes, with options for text or audio in multiple languages. Get personalized recommendations and offline access to expand your knowledge efficiently.

**Highlights:** 25,000+ book, article, and video summaries, 10-minute summaries, Expert-curated topic channels, Personalized recommendations, Audio and text summaries, Offline access, Multiple languages

**Features:** Siri integration, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter | $5.99 | per month |
| Starter+ | $9.99 | per month |
| Starter | $9.99 | per month |
| Pro | $29.99 | per month |
| Starter | $59.99 | per year |
| Starter+ | $99.99 | per year |
| Starter | $99.99 | per year |
| Pro | $299.99 | per year |

**What reviewers like**

- 👍 Excellent book summaries
- 🚀 Convenient audio summaries
- 💡 Great for busy people
- 🚀 Efficient way to get key insights
- 👍 Comprehensive library of content

**What reviewers complain about**

- 🐛 Frequent crashes and freezes
- 🐛 Slow search functionality
- 🐛 Audio playback issues
- 🐛 Syncing and resume issues
- 🔋 High subscription cost

**Reported bugs**

- SSO authentication not working on iOS
- Inability to resume reading/listening
- Inconsistent performance across devices
- Slow or unresponsive app on certain platforms

**Requested features**

- Add support for Apple TV
- Implement highlighting and note-taking
- Improve offline access and caching
- Enhance search and discovery features
- Provide more personalized recommendations


### PetroMaster

[App page](https://appshunter.io/ios/app/petromaster/id6764496792)

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

**In-app purchases:** none


## Frequently asked questions

### Is getAbstract Book Summaries free?

getAbstract Book Summaries is free to download, with in-app purchases available.

### Is PetroMaster free?

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

### Do getAbstract Book Summaries or PetroMaster have ads?

Neither getAbstract Book Summaries nor PetroMaster shows ads.

### Which is updated more often, getAbstract Book Summaries or PetroMaster?

getAbstract Book Summaries ships an update every 2 months, and PetroMaster every 2 weeks. Most recently, getAbstract Book Summaries was updated on October 27, 2026 and PetroMaster on October 25, 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.*