# Sign PDF documents vs Centro Veterinario

The clearest difference is in-app purchases: Centro Veterinario at none against Sign PDF documents's 3. Centro Veterinario also leads on ads (none vs shown). Sign PDF documents's advantage is device support (4 vs 2). On price, update cadence and iOS requirement there is nothing between them.

Both are free to download. Sign PDF documents sells 3 in-app purchases, starting at $2.99 per month. Centro Veterinario asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 24, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Sign PDF documents | Centro Veterinario |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/sign-pdf-documents/id1011784538/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Ad-supported | — |
| Size | 19 MB | 7 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Emanuele Floris](https://appshunter.io/developer/597490842) | [Boosty Digital LLC](https://appshunter.io/developer/1745792266) |

## What reviewers say

### Sign PDF documents

[App page](https://appshunter.io/ios/app/sign-pdf-documents/id1011784538)

Easily sign documents digitally without printing. This app allows for unlimited signatures without requiring a subscription or registration, making document signing quick and convenient.

**Highlights:** Unlimited digital signatures, No subscription required, No registration needed, Sign without printing, Document archiving

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $2.99 | per month |
| Unlimited Access | $8.99 | per year |
| PRO Lifetime Access | $22.99 | one-time |


### Centro Veterinario

[App page](https://appshunter.io/ios/app/centro-veterinario/id6762288809)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sign PDF documents free?

Sign PDF documents is free to download, with in-app purchases available.

### Is Centro Veterinario free?

Centro Veterinario is free to download, with no in-app purchases.

### Do Sign PDF documents or Centro Veterinario have ads?

Sign PDF documents shows ads; Centro Veterinario does not.

### Which is updated more often, Sign PDF documents or Centro Veterinario?

Sign PDF documents ships an update every 3 weeks, and Centro Veterinario every 3 weeks. Most recently, Sign PDF documents was updated on October 24, 2026 and Centro Veterinario on September 28, 2026.

---

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