# Hidora vs Scrible Extension

The clearest difference is iOS requirement: Hidora at 10.0 against Scrible Extension's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Hidora ships an update every 22 months, Scrible Extension every 17 months. Both last shipped on September 10, 2026.

## The numbers

| Metric | Hidora | Scrible Extension |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/scrible-extension/id1633472220/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 17 months** |
| Monetization | — | Free |
| Size | 20 MB | 2 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [IT INNOVE](https://appshunter.io/developer/1089460022) | [Scrible, Inc.](https://appshunter.io/developer/1622074512) |

## What reviewers say

### Hidora

[App page](https://appshunter.io/ios/app/hidora/id1585501902)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scrible Extension

[App page](https://appshunter.io/ios/app/scrible-extension/id1633472220)

This browser extension allows users to save, highlight, and comment on web pages, PDFs, and articles. It integrates with a cloud-based research platform to organize and search saved content, offering features like automatic citation capture and bibliography creation for educational users.

**Highlights:** Save webpages, PDFs, and articles instantly, Highlight key passages, Add comments and thoughts, Tag articles for organization, Automatic annotation loading on revisited pages, Full-text search of saved library, Automatic citation capture (Edu Plan)

**Features:** Safari Extension

**In-app purchases:** none


## Frequently asked questions

### Is Hidora free?

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

### Is Scrible Extension free?

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

### Do Hidora or Scrible Extension have ads?

Neither Hidora nor Scrible Extension shows ads.

### Which is updated more often, Hidora or Scrible Extension?

Hidora ships an update every 22 months, and Scrible Extension every 17 months. Most recently, Hidora was updated on September 10, 2026 and Scrible Extension on September 10, 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.*