# TrustBox Backup vs Signature Maker・Sign Documents

The clearest difference is in-app purchases: TrustBox Backup at none against Signature Maker・Sign Documents's 7. TrustBox Backup also leads on ads (none vs shown) and device support (3 vs 1). Signature Maker・Sign Documents's advantage is update cadence (fortnightly vs every 7 months). On price there is nothing between them.

Both are free to download. Signature Maker・Sign Documents sells 7 in-app purchases, starting at $4.99 per 7 days. TrustBox Backup asks for nothing beyond the download.

TrustBox Backup ships an update every 7 months, Signature Maker・Sign Documents fortnightly. The most recent releases landed on September 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TrustBox Backup | Signature Maker・Sign Documents |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (27 ratings)](https://appshunter.io/ios/app/signature-makersign-documents/id6477393548/reviews)** |
| Number of ratings | — | **27** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 100 MB |
| Requires iOS | **12.3** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Infrascale, Inc.](https://appshunter.io/developer/328057516) | [ZipoApps](https://appshunter.io/developer/1671444635) |

## What reviewers say

### TrustBox Backup

[App page](https://appshunter.io/ios/app/trustbox-backup/id1150509999)

**Features:** macOS Compatibility

**In-app purchases:** none


### Signature Maker・Sign Documents

[App page](https://appshunter.io/ios/app/signature-makersign-documents/id6477393548)

Effortlessly sign documents digitally by drawing directly on your screen or using your device's camera. This tool eliminates the need for printing and scanning, offering a fast, modern, and eco-friendly way to manage agreements on the go.

**Highlights:** Draw and save digital signatures, Scan documents with smart boundary recognition, Customize signature size, color, and style, Sign contracts and agreements quickly, Paperless document management

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy PRO for a Week | $4.99 | per 7 days |
| Buy PRO for a Month | $7.99 | per month |
| Unlimited Access | $8.99 | per 7 days |
| Unlimited Access | $19.99 | per month |
| Buy PRO for a Year | $44.99 | per year |
| Buy pro for a year. Sale | $44.99 | per year |
| Unlimited Access | $49.99 | per year |


## Frequently asked questions

### Is TrustBox Backup free?

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

### Is Signature Maker・Sign Documents free?

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

### Do TrustBox Backup or Signature Maker・Sign Documents have ads?

Signature Maker・Sign Documents shows ads; TrustBox Backup does not.

### Which is updated more often, TrustBox Backup or Signature Maker・Sign Documents?

TrustBox Backup ships an update every 7 months, and Signature Maker・Sign Documents fortnightly. Most recently, TrustBox Backup was updated on September 26, 2026 and Signature Maker・Sign Documents on October 24, 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.*