OnePreview vs La Pochette
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OnePreview
This app allows you to preview and interact with various developer file formats, including Markdown, code, databases, and archives, directly on your iPhone and iPad. It offers local processing for speed and privacy, with features like PDF export and structured data inspection.
- Markdown and MDX rendering
- JSON, YAML, XML, CSV, TSV, TOML, ENV parsing
- SQLite database inspection
- Source code and log viewing
- ZIP and TAR.GZ archive content preview
- Mermaid diagrams and KaTeX math rendering
- A4 PDF export for Markdown files
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Open Markdown and developer files in OnePreview on iPhone and iPad. OnePreview renders GitHub-style Markdown, MDX, TextBundle and TextPack packages, JSON, JSONL, YAML, XML, CSV, TSV, TOML, ENV, SQLite databases, source code, plain text, logs, and ZIP and TAR.GZ archives. In Files, long-press a supported document, choose Open With, then select OnePreview. A normal tap may use Apple's built-in preview for common file types. Inside OnePreview, switch between rendered Markdown and source, view Mermaid diagrams and KaTeX math with bundled assets, inspect structured data and SQLite schemas, and check archive contents before extracting. Built for developer workflows, AI-generated files, documentation review, and everyday file browsing. Processing is fast, local-first, and does not require an account. Open a standard Markdown file (.md or .markdown) in the OnePreview app to export an A4 PDF report. Preview continued table headers, wrapped code, Mermaid diagrams and KaTeX formulas, then save the PDF using the system file interface. Document content is processed locally.
La Pochette
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La Pochette brings all your important papers together in one place: ID card, certificates, prescriptions, payslips, bills, contracts, warranties… You scan them, you file them, and they are backed up securely. SIMPLE AND FAST Scan a document in seconds: the edges are detected automatically, the image is straightened, and you can save several pages in one go. You can also import PDFs and photos you already have, from your phone or from a computer. FIND ANYTHING IN AN INSTANT Search for a word inside the content of your documents and find it right away, even with no connection. YOUR DOCUMENTS, THERE WHEN YOU NEED THEM Export the document you need, send it by email, or print it. Simply, from the app. FILED AUTOMATICALLY The app files your documents directly on your phone, without going through any outside service. You always confirm the suggested category. Every category can be customized. YOUR PAPERS, IMPOSSIBLE TO LOSE Every document is backed up automatically and kept safe. If your phone is lost, stolen or broken, all you have to do is sign in again on a new device to get every one of your documents back. PROTECTED, EVEN FROM US Your documents are encrypted on your phone, before they are backed up. Our servers only ever hold unreadable data: we cannot see the content, the titles or the categories of your papers. You are the only one who can open them, thanks to your unique key. It is generated at random when you create your account - it does not depend on your password. Since it is the only way in, we have you save it when you sign up, so that a lost phone never becomes a lost vault. A stolen phone will not talk either: the app's files stay encrypted on the phone's storage too. Without your biometrics, they are nothing but unreadable data. STORED IN FRANCE Your backups are hosted on servers in France, in compliance with the GDPR. Your data stays in Europe and is never sold. RESPECT FOR YOUR PRIVACY No ads, no trackers, no data resale: these are ruled out by design, not by a mere promise. * No cloud AI, no third-party API ever sees your documents. * No advertising trackers, no invasive third-party analytics. * No back door: we cannot decrypt a vault, so there is no "assisted recovery". Saving your key is the only way in - we own that, and we say it plainly. * No phone number collected (GDPR data minimization). NOTHING KEEPS YOU HERE You can export all of your documents at any time, for free. Your data belongs to you. PLANS Free: up to 15 backed-up documents. Premium: from €0.99/month - up to 10 GB of storage, which is more than 5,000 documents. Security and export are included in every plan. Terms of Use: https://la-pochette.fr/en/terms.html Privacy Policy: https://la-pochette.fr/en/privacy.html
Screenshots
Verdict
The clearest difference is in-app purchases: OnePreview at none against La Pochette's 2. La Pochette's advantage is update cadence (daily vs every 8 days). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. La Pochette sells 2 in-app purchases, starting at $0.99 per month. OnePreview asks for nothing beyond the download.
OnePreview ships an update every 8 days, La Pochette daily. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.
| Parameter | OnePreview | La Pochette |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 8 days | Daily — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 17.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 9 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | 培克 罗 | damien diep |
In-app purchases
OnePreview
No in-app purchases
La Pochette
- Premium mensuel$0.991 Month
- Premium annuel$8.991 Year









