# Sign PDF documents vs Caja de Ideas

The clearest difference is in-app purchases: Caja de Ideas at none against Sign PDF documents's 3. Sign PDF documents's advantage is device support and iOS requirement (15.0 vs 17.2). On price there is nothing between them.

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

## The numbers

| Metric | Sign PDF documents | Caja de Ideas |
| --- | --- | --- |
| 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 | — |
| Update frequency | Every 3 weeks | — |
| Monetization | Ad-supported | — |
| Size | 19 MB | 2 MB |
| Requires iOS | **15.0** | 17.2 |
| Devices | **iPhone, iPad, iPod, Mac** | — |
| Age rating | 4+ | 17+ |
| Developer | [Emanuele Floris](https://appshunter.io/developer/597490842) | [Victor Hernandez](https://appshunter.io/developer/1700729205) |

## 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 |


### Caja de Ideas

[App page](https://appshunter.io/ios/app/caja-de-ideas/id6477495283)

**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 Caja de Ideas free?

Caja de Ideas is free to download, with no in-app purchases.

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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.*