Comparison

Notbox vs Stamp Maker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Notbox

Features
Read full description

Notbox è il servizio di archiviazione e condivisione di file erogato in cloud privato gestito da Notartel S.p.A. società informatica del notariato italiano. Il servizio permette di memorizzare in un'area privata personale contenuti che possono essere condivisi, sia tra i notai iscritti al servizio, sia verso l'esterno (ad es. verso i clienti). L'utilizzo del servizio è ad uso esclusivo dei notai abilitati e iscritti alla Rete Unitaria del Notariato.

About

Stamp Maker

Design custom stamps, watermark photos and documents, and sign PDFs with this all-in-one productivity tool. Create professional-looking stamps from scratch or templates, and apply them to images and multi-page documents with precision controls. Works offline and requires no account.

Highlights
  • Custom stamp designer
  • Curved text and typography
  • Photo and PDF watermarking
  • PDF signing and annotation
  • QR code and barcode generation
  • Offline functionality
  • High-quality export
Features
Read full description

Turn your iPhone into a professional stamp studio. Design custom stamps, watermark photos & documents, and sign PDFs — all in one app. Tired of ordering expensive rubber stamps, waiting days for delivery, or juggling multiple apps just to mark up a document? Stamp Maker gives you everything you need to create, customize, and apply professional stamps in minutes — right from your pocket. Whether you're a business owner approving invoices, a notary authenticating documents, a teacher grading papers, or a photographer protecting your work, this is the only tool you'll need. WHAT YOU CAN CREATE: - CUSTOM STAMP DESIGNER - Build stamps from scratch using 13 element types — shapes, text, icons, QR codes, barcodes, and more. Full control over colors, gradients, shadows, glow effects, and blend modes. - CURVED TEXT & TYPOGRAPHY - Add professional curved lettering, choose from hundreds of fonts, adjust kerning, and apply text outlines for that authentic seal look. - ADVANCED DESIGN TOOLS - Snap-to-grid, smart alignment guides, Bezier pen tool, freehand drawing, and boolean shape operations (union, subtract, intersect) for precision designs. - 50+ READY-MADE TEMPLATES - Professionally designed templates across 11 categories — Official, Business, Legal, Education, Personal, Holiday, Security, and more. Every template is fully editable. - PHOTO WATERMARKING - Protect your images with stamp watermarks. Choose from 9 placement positions or tile across the entire photo. Adjust opacity, scale, and rotation in real time. - PDF WATERMARKING - Apply stamps to multi-page PDFs with custom page range selection. Watermark all pages, specific pages, or custom ranges like "1,3,5-8." - PDF SIGNING - Draw freehand signatures, type text signatures, or use your saved stamps. Place multiple signatures per page, resize and reposition freely, and apply across all pages instantly. - PDF EDITING - Annotate documents with text, highlights, shapes, drawings, and stamp overlays. Full page-by-page control with real-time preview. - QR CODES & BARCODES - Generate and embed QR codes or barcodes directly into your stamp designs for document tracking and verification. - PRECISION CONTROLS - 50-step undo/redo, layer management, element locking, rulers, and zoom — everything you need for pixel-perfect results. - HIGH-QUALITY EXPORT - Save stamps as transparent PNGs at up to 600 DPI. Share directly or save watermarked photos and signed PDFs in professional quality. WHY PROFESSIONALS CHOOSE STAMP MAKER PRO: • All-in-one solution — no need to switch between stamp, watermark, and signing apps • Works completely offline — everything processes on your device • Available in 20 languages including Arabic, Urdu, Spanish, French, German, Chinese, Japanese, Korean, Hindi, and Turkish • Intuitive interface designed for both iPhone and iPad • No account required — start creating immediately FROM STAMPS TO SIGNED DOCUMENTS IN MINUTES: 1. Pick a template or start from scratch 2. Customize every detail — colors, effects, text, shapes 3. Save your stamp and apply it anywhere — photos, PDFs, documents 4. Export and share in high resolution Create your first professional stamp in under 5 minutes. Download Stamp Maker now and take control of your documents. Privacy Policy: https://stampmaker.myportfoliodata.com/privacy-policy Terms of Use: https://stampmaker.myportfoliodata.com/terms

Screenshots

Notbox4 screens
Stamp Maker4 screens

Verdict

The call

The clearest difference is in-app purchases: Notbox at none against Stamp Maker's 4. Notbox also leads on ads (none vs shown) and iOS requirement (9.0 vs 16). Stamp Maker's advantage is update cadence (every 5 days vs every 4 months). On price and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Stamp Maker sells 4 in-app purchases, starting at $4.99 per month. Notbox asks for nothing beyond the download.

UpkeepUpdate frequency

Notbox ships an update every 4 months, Stamp Maker every 5 days. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

Scorecard4 real differences · 6 level
Notbox versus Stamp Maker: the parameters behind the verdict, then further details
ParameterNotboxStamp Maker
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 4 monthsEvery 5 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Ad-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS9.0 — better16
Further details — not scored
Size69 MB61 MB
Age rating4+4+
DeveloperNotartel S.p.A.Hashim Sultan Abbasi

In-app purchases

None

Notbox

No in-app purchases

4 purchases

Stamp Maker

Subscriptions3
  • Monthly$4.991 Month
  • 6-Months7 Days trial$24.996 Months
  • Yearly7 Days trial$44.991 Year
One-time1
  • Lifetime Pro$89.99

Questions

Is Notbox free?
Notbox is free to download, with no in-app purchases.
Is Stamp Maker free?
Stamp Maker is free to download, with in-app purchases available.
Do Notbox or Stamp Maker have ads?
Stamp Maker shows ads; Notbox does not.
Which is updated more often, Notbox or Stamp Maker?
Notbox ships an update every 4 months, and Stamp Maker every 5 days. Most recently, Notbox was updated on October 26, 2026 and Stamp Maker on October 27, 2026.

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