# ScanOnce vs Folio Writer

The clearest difference is monetization model: Folio Writer at free against ScanOnce's free with in-app purchases. Folio Writer also leads on ratings volume (3 vs 1). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. ScanOnce sells 3 in-app purchases, starting at $3.99 per month and Folio Writer sells 8 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for ScanOnce against 5.0 for Folio Writer. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

ScanOnce ships an update every 5 days, Folio Writer every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ScanOnce | Folio Writer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/scanonce-pdf-doc-scanner/id6780030918/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/folio-writer/id6788252860/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 4 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Andrii Zakharov](https://appshunter.io/developer/6779217338) | [Bin Chen](https://appshunter.io/developer/1503463579) |

## What reviewers say

### ScanOnce

[App page](https://appshunter.io/ios/app/scanonce-pdf-doc-scanner/id6780030918)

This app scans documents directly on your device without using the cloud or requiring an account. It offers automatic edge detection, page straightening, and text recognition for easy searching. Export scans as PDFs or JPEGs, and secure your documents with Face ID.

**Highlights:** Automatic edge detection and page straightening, On-device text recognition for search, Export as PDF or JPEG, Multi-page document capture, Document organization with folders, Face ID security

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ScanOnce Pro Monthly | $3.99 | per month |
| ScanOnce Pro Yearly | $19.99 | per year |
| ScanOnce Pro | $49.99 | one-time |


### Folio Writer

[App page](https://appshunter.io/ios/app/folio-writer/id6788252860)

This writing studio allows you to work on long-form projects like books and manuscripts on your iPhone and iPad. It supports plain text formats like Markdown and Typst, syncing seamlessly with its Mac counterpart. Features include a special keyboard bar, project organization, and citation management.

**Highlights:** Plain-text writing (Markdown, Typst), iCloud Drive, Dropbox, Files integration, Special Markdown key bar, Typewriter scrolling and sentence focus, Binder for project organization, Snapshots for version control, Project-wide search, BibTeX citation support

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cloud Pro Monthly | $1.99 | per month |
| Premium Monthly | $3.99 | per month |
| Pro Yearly | $19.99 | per year |
| Premium Yearly | $39.99 | per year |
| Pro Lifetime | $19.99 | one-time |
| Pro to Premium Upgrade | $19.99 | one-time |
| Premium Lifetime | $39.99 | one-time |
| Unlock Pro Features | $39.99 | one-time |


## Frequently asked questions

### Is ScanOnce free?

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

### Is Folio Writer free?

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

### Which has better reviews, ScanOnce or Folio Writer?

ScanOnce and Folio Writer are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do ScanOnce or Folio Writer have ads?

Neither ScanOnce nor Folio Writer shows ads.

### Which is updated more often, ScanOnce or Folio Writer?

ScanOnce ships an update every 5 days, and Folio Writer every 4 days. Most recently, ScanOnce was updated on October 24, 2026 and Folio Writer 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.*