# Signature Approval vs Quadviso

The clearest difference is update cadence: Quadviso at daily against Signature Approval's every 32 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Signature Approval ships an update every 32 months, Quadviso daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Signature Approval | Quadviso |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 32 months | **Daily** |
| Size | 10 MB | 47 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Swisscom (Switzerland) Ltd.](https://appshunter.io/developer/331127724) | [Quadviso](https://appshunter.io/developer/6808740743) |

## What reviewers say

### Signature Approval

[App page](https://appshunter.io/ios/app/signature-approval/id6464310440)

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

**In-app purchases:** none


### Quadviso

[App page](https://appshunter.io/ios/app/quadviso/id6808740741)

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

**In-app purchases:** none


## Frequently asked questions

### Is Signature Approval free?

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

### Is Quadviso free?

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

### Do Signature Approval or Quadviso have ads?

Neither Signature Approval nor Quadviso shows ads.

### Which is updated more often, Signature Approval or Quadviso?

Signature Approval ships an update every 32 months, and Quadviso daily. Most recently, Signature Approval was updated on November 3, 2026 and Quadviso 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.*