Comparison

Private PDF Signer vs LISTA SMART

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

Head to head
About

Private PDF Signer

Easily add signatures, text, dates, and covers to your PDFs directly on your device. Process documents locally without needing an account. Pro features for advanced PDF management are available via subscription or a lifetime purchase.

Highlights
  • Add visual signatures
  • Insert text and dates
  • Apply covers
  • Export modified PDFs
  • Save signatures for reuse
  • On-device processing
  • Pro tools for PDF management
Features
Read full description

Private PDF Signer lets you open PDFs, add a visual signature, text, date, or cover, and export a copy from your iPhone or iPad. Open PDFs from Files or share them into the app from Mail and other apps. Save signatures for later use. Documents are processed on your device, and no account is required. Additional Pro tools for merging, splitting, compressing, organizing pages, converting, scanning, and protecting PDFs are available through a monthly or yearly subscription, or a one-time lifetime purchase. Actual prices and terms are shown by Apple before purchase. Important: signatures added by the app are visual marks on a PDF, not identity verification, notarization, or cryptographic digital-signature certificates. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

LISTA SMART

Features
Read full description

Organize your shopping list by store with LISTA SMART. Add products, quantities, prices, aisles and notes, then check off purchased items. PLAN YOUR SHOPPING Create custom stores and suppliers, assign each a color and filter your list by store. Edit items and quantities as you prepare your shopping. CHECK YOUR TOTALS Enter prices to view list totals. The Sum feature includes items marked as purchased during the current session. PRINT AND SHARE A PDF Create a summary grouped by store. Choose whether to include prices, aisles, notes and sender details. Use a custom logo and save a PDF copy in Files. ADJUST THE DISPLAY Adjust text and button sizes. The app is available in Italian, English, French, Spanish, German and Portuguese. CHECK FOR UPDATES Find the installed version and check for updates on the App Store in Settings. 30-day trial. A permanent unlock is available through an in-app purchase to continue using the app after the trial. You can restore a previous purchase.

Screenshots

Private PDF Signer4 screens
LISTA SMART2 screens

Verdict

The call

The clearest difference is iOS requirement: LISTA SMART at 18.6 against Private PDF Signer's 26.0. On price, update cadence, ads and in-app purchases 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. Private PDF Signer sells 3 in-app purchases, starting at $0.99 per month and LISTA SMART sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Private PDF Signer ships an update every 6 days, LISTA SMART every 3 days. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 8 level
Private PDF Signer versus LISTA SMART: the parameters behind the verdict, then further details
ParameterPrivate PDF SignerLISTA SMART
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 6 daysEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.018.6 — better
Further details — not scored
Size4 MB10 MB
Age rating4+4+
DeveloperSamer QutubSTEFANO BERNO

In-app purchases

3 purchases

Private PDF Signer

Subscriptions2
  • Pro Monthly7 Days trial$0.991 Month
  • Pro Yearly7 Days trial$5.991 Year
One-time1
  • Pro Lifetime$12.99
1 purchases

LISTA SMART

One-time1
  • Sblocco completo Lista Smart$8.99

Questions

Is Private PDF Signer free?
Private PDF Signer is free to download, with in-app purchases available.
Is LISTA SMART free?
LISTA SMART is free to download, with in-app purchases available.
Do Private PDF Signer or LISTA SMART have ads?
Neither Private PDF Signer nor LISTA SMART shows ads.
Which is updated more often, Private PDF Signer or LISTA SMART?
Private PDF Signer ships an update every 6 days, and LISTA SMART every 3 days. Most recently, Private PDF Signer was updated on October 29, 2026 and LISTA SMART on October 31, 2026.

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