AutoSignMark vs Brief
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
AutoSignMark
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AutoSignMark is a fast, private PDF editor for iPhone, iPad, and Mac. Sign documents, mark them up by hand or with text, stamp your signature, merge files, and save โ all on device, with no account required. Requires iOS/iPadOS 17.6 or later, or macOS 14.6 or later. One purchase unlocks all three platforms with the same Apple ID. FREE TO USE โข Open and view PDF, JPG, PNG, and HEIC files โข Open password-protected PDFs (enter the password to unlock) โข Zoom, rotate, and navigate pages โข Paste a URL to download and open a PDF โข Scan documents with the camera (iPhone/iPad) PRO FEATURES โข Freehand drawing with adjustable color and thickness (Apple Pencil supported on iPad) โข Add text boxes with custom color and size โข Save and reuse your signature; import an image as a stamp with automatic background removal โข Eraser to remove annotations โข Markup Presets: save a markup layout once and apply it to similar documents โข Merge multiple PDFs and photos into one file; convert photos to PDF โข Save (overwrite) or Save As (export a clean, password-free copy) โข Export pages as JPG images โข Quick Passwords: store frequently used passwords and auto-try them on encrypted PDFs โข Export and import your templates and signatures as a backup PRIVATE BY DESIGN AutoSignMark does not collect, track, or sell any data. Your files, signatures, and settings stay on your device. There is no analytics, no advertising, and no third-party SDKs. The app connects to the internet only when you explicitly download a PDF. PRICING Start with a 7-day free trial that unlocks all Pro features. After the trial, keep Pro with an Annual subscription or a one-time Lifetime purchase. Free viewing features remain available without a purchase. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ The developer provides a software tool only and does not participate in, monitor, or endorse any specific use by the user. The user bears sole responsibility for any dispute or liability arising from improper use. Stamps and signatures produced by this app are image files and are not electronic or digital signatures under applicable law.
Brief
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Brief turns long text into a clear TL;DR and key points โ instantly and privately, right on your iPhone. Paste an article, email, report or notes and Brief's on-device AI gives you the gist in seconds. No account, no cloud, no limits. Because everything happens on your device, your text is never uploaded, shared or tracked. WHAT YOU CAN DO - Paste any long text and get a one-line TL;DR plus key points - Summarize articles, emails, reports, meeting notes and study material - Read faster and capture what matters - Unlimited, fully offline WHY BRIEF - 100% on-device AI โ works fully offline, anywhere - Private by design โ your text never leaves your phone - Unlimited โ no per-summary fees - No account, no cloud, no tracking MEMBERSHIP Brief is a paid app. Start with a 3-day free trial, then $4.99/week โ or unlock Brief forever with a one-time Lifetime purchase. Subscriptions auto-renew until canceled; manage or cancel anytime in your Apple account settings. Terms: https://bestpaid.app/legal/terms Privacy: https://bestpaid.app/legal/privacy
Screenshots
Verdict
The clearest difference is update cadence: AutoSignMark at every 9 days against Brief's every 6 weeks. AutoSignMark also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. AutoSignMark sells 2 in-app purchases, starting at $29.99 per year and Brief sells 1 in-app purchase, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
AutoSignMark ships an update every 9 days, Brief every 6 weeks. Both last shipped on November 5, 2026.
| Parameter | AutoSignMark | Brief |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days โ better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, Mac โ better | iPhone |
| Requires iOS | 17.6 | 17.0 โ better |
| Further details โ not scored | ||
| Size | 12 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | CHUNG CHENG CHIU | Vasilii Polovnikov |
In-app purchases
AutoSignMark
- AutoSignMark Pro Annual$29.991 Year
- AutoSignMark Pro Lifetime$79.99
Brief
- Premium3 Days trial$4.997 Days









