# ZenderBox vs Sign Documents

The clearest difference is review sentiment: ZenderBox at 100% against Sign Documents's 0%. ZenderBox also leads on in-app purchases (none vs 5) and rating (5.0 vs 4.7). Sign Documents's advantage is update cadence (weekly vs every 2 months) and ratings volume (159 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Sign Documents sells 5 in-app purchases, starting at $4.99 per 7 days. ZenderBox asks for nothing beyond the download.

ZenderBox holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Sign Documents has 159 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of ZenderBox's written reviews are positive against 0% of Sign Documents's.

ZenderBox ships an update every 2 months, Sign Documents weekly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ZenderBox | Sign Documents |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zenderbox/id1588624367/reviews)** | [4.7 (159 ratings)](https://appshunter.io/ios/app/sign-documents-esign-pdf/id6502787198/reviews) |
| Number of ratings | 1 | **159** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 56 MB | 34 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [zenderbox cargo inc](https://appshunter.io/developer/1588624369) | [Julia Kucharska](https://appshunter.io/developer/1747807368) |

## What reviewers say

### ZenderBox

[App page](https://appshunter.io/ios/app/zenderbox/id1588624367)

Access your international locker and get a US address to shop freely and save on shipping. Enjoy same-day processing for your purchases, ensuring you receive your items quickly without long waits.

**Highlights:** International locker access, Personal US address, Save on shipping costs, Same-day processing, Fast delivery

**Features:** macOS Compatibility

**In-app purchases:** none


### Sign Documents

[App page](https://appshunter.io/ios/app/sign-documents-esign-pdf/id6502787198)

Easily sign and manage your documents with a built-in scanner. Digitize paper, add signatures and stamps, and share your finalized files. Supports various document types for a streamlined workflow.

**Highlights:** Add digital signatures, Insert stamps, Scan documents, Create documents from photos, Sign PDF, DOC, XLS, Share and print documents

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly PRO | $4.99 | per 7 days |
| Weekly PRO Subscription | $4.99 | per 7 days |
| Weekly Premium | $9.99 | per 7 days |
| Annual PRO | $29.99 | per year |
| Annual Premium | $49.99 | per year |


## Frequently asked questions

### Is ZenderBox free?

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

### Is Sign Documents free?

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

### Which has better reviews, ZenderBox or Sign Documents?

ZenderBox is rated higher. ZenderBox averages 5.0 out of 5 from 1 ratings, while Sign Documents averages 4.7 from 159 ratings.

### Do ZenderBox or Sign Documents have ads?

Neither ZenderBox nor Sign Documents shows ads.

### Which is updated more often, ZenderBox or Sign Documents?

ZenderBox ships an update every 2 months, and Sign Documents weekly. Most recently, ZenderBox was updated on November 3, 2026 and Sign Documents on October 30, 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.*