# Book Notes vs #Sparks

The clearest difference is update cadence: #Sparks at every 3 days against Book Notes's every 9 days. #Sparks also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Book Notes ships an update every 9 days, #Sparks every 3 days. The most recent releases landed on November 4, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Book Notes | #Sparks |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | Free | — |
| Size | 36 MB | 51 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ban Markovic](https://appshunter.io/developer/1713024858) | [JAKUB ZAJĄC DORADCA PODATKOWY](https://appshunter.io/developer/1819359521) |

## What reviewers say

### Book Notes

[App page](https://appshunter.io/ios/app/book-notes-bloomind/id6470131320)

This app helps you retain information from your Kindle highlights using spaced repetition. Import notes from various sources and revisit them in short daily sessions to move them from passive reading to active knowledge.

**Highlights:** Import Kindle highlights, Spaced repetition review, Daily review sessions, Organize notes by life area, Search by book, author, or hashtag, Track progress and streaks

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

**In-app purchases:** none


### #Sparks

[App page](https://appshunter.io/ios/app/sparks/id6747009107)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Book Notes free?

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

### Is #Sparks free?

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

### Do Book Notes or #Sparks have ads?

Neither Book Notes nor #Sparks shows ads.

### Which is updated more often, Book Notes or #Sparks?

Book Notes ships an update every 9 days, and #Sparks every 3 days. Most recently, Book Notes was updated on November 4, 2026 and #Sparks 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.*