# Private PDF Signer vs LISTA SMART

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.

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.

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.

## The numbers

| Metric | Private PDF Signer | LISTA SMART |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/private-pdf-signer/id6809508683/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 4 MB | 10 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Samer Qutub](https://appshunter.io/developer/6809508685) | [STEFANO BERNO](https://appshunter.io/developer/6809753394) |

## What reviewers say

### Private PDF Signer

[App page](https://appshunter.io/ios/app/private-pdf-signer/id6809508683)

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:** iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro Yearly | $5.99 | per year |
| Pro Lifetime | $12.99 | one-time |


### LISTA SMART

[App page](https://appshunter.io/ios/app/lista-smart/id6809753098)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sblocco completo Lista Smart | $8.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*