# Instant Reader vs Sbooky

The clearest difference is iOS requirement: Instant Reader at 17.0 against Sbooky's 26.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Instant Reader sells 1 in-app purchase, starting at $2.99 per month and Sbooky sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Instant Reader ships an update every 2 weeks, Sbooky every 8 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Instant Reader | Sbooky |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 9 MB |
| Requires iOS | **17.0** | 26.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Roman Vygnich](https://appshunter.io/developer/1351323534) | [Logogram LC.](https://appshunter.io/developer/1896611245) |

## What reviewers say

### Instant Reader

[App page](https://appshunter.io/ios/app/instant-reader/id6761315198)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Actions | $2.99 | per month |


### Sbooky

[App page](https://appshunter.io/ios/app/sbooky-book-highlighter/id6771298334)

Capture and save memorable sentences from books without marking them. Easily highlight, underline, or add pencil strokes to digital copies of pages. Organize your saved quotes into a personal digital library.

**Highlights:** Digitally highlight, underline, or pencil book sentences, Straighten and crop page photos, Organize saved sentences into a digital library, Copy sentences as text for external use, Daily greeting with a saved sentence, Share highlights to social media or save to photos

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sbooky Premium | $2.99 | one-time |
| iCloud Library | $2.99 | one-time |


## Frequently asked questions

### Is Instant Reader free?

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

### Is Sbooky free?

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

### Do Instant Reader or Sbooky have ads?

Neither Instant Reader nor Sbooky shows ads.

### Which is updated more often, Instant Reader or Sbooky?

Instant Reader ships an update every 2 weeks, and Sbooky every 8 days. Most recently, Instant Reader was updated on October 25, 2026 and Sbooky 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.*