# Rod's Aviation Book Samples vs BookFlow

The clearest difference is in-app purchases: Rod's Aviation Book Samples at none against BookFlow's 3. Rod's Aviation Book Samples also leads on iOS requirement (8.0 vs 15.1). BookFlow's advantage is update cadence (monthly vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. BookFlow sells 3 in-app purchases, starting at $4.99 per month. Rod's Aviation Book Samples asks for nothing beyond the download.

Rod's Aviation Book Samples ships an update every 8 months, BookFlow monthly. The most recent releases landed on November 1, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Rod's Aviation Book Samples | BookFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/rods-aviation-book-samples/id400613906/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | Free | — |
| Size | 30 MB | 38 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rod Machado](https://appshunter.io/developer/399662353) | [HAQ E-SERVICES](https://appshunter.io/developer/1757706984) |

## What reviewers say

### Rod's Aviation Book Samples

[App page](https://appshunter.io/ios/app/rods-aviation-book-samples/id400613906)

Explore aviation knowledge with sample chapters from popular educational texts. These books offer clear explanations, helpful illustrations, and engaging humor to aid in learning to fly. Discover why pilots praise these comprehensive guides for their clarity and effectiveness.

**Highlights:** Sample aviation handbooks, Clear explanations, In-depth illustrations, Memory aids and analogies, Humorous content, Pilot testimonials

**Features:** macOS Compatibility

**In-app purchases:** none


### BookFlow

[App page](https://appshunter.io/ios/app/bookflow-pages-into-progress/id6754346251)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $4.99 | per month |
| Premium | $9.99 | per month |
| Scholar | $29.99 | per month |


## Frequently asked questions

### Is Rod's Aviation Book Samples free?

Rod's Aviation Book Samples is free to download, with no in-app purchases.

### Is BookFlow free?

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

### Do Rod's Aviation Book Samples or BookFlow have ads?

Neither Rod's Aviation Book Samples nor BookFlow shows ads.

### Which is updated more often, Rod's Aviation Book Samples or BookFlow?

Rod's Aviation Book Samples ships an update every 8 months, and BookFlow monthly. Most recently, Rod's Aviation Book Samples was updated on November 1, 2026 and BookFlow on October 28, 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.*