# iSignatureSuite vs RF toolbox

The clearest difference is in-app purchases: iSignatureSuite at none against RF toolbox's 1. RF toolbox's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. RF toolbox sells 1 one-off in-app purchase. iSignatureSuite asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | iSignatureSuite | RF toolbox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | Every 6 months |
| Size | 13 MB | 28 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [StepOver International GmbH](https://appshunter.io/developer/979581571) | [Anas Abubakar](https://appshunter.io/developer/1581534101) |

## What reviewers say

### iSignatureSuite

[App page](https://appshunter.io/ios/app/isignaturesuite/id979581572)

**Features:** Vision Pro support

**In-app purchases:** none


### RF toolbox

[App page](https://appshunter.io/ios/app/rf-toolbox-electronics/id6757265018)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| upgrade to pro | $3.99 | one-time |


## Frequently asked questions

### Is iSignatureSuite free?

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

### Is RF toolbox free?

RF toolbox is free to download, with in-app purchases available.

### Do iSignatureSuite or RF toolbox have ads?

Neither iSignatureSuite nor RF toolbox shows ads.

### Which is updated more often, iSignatureSuite or RF toolbox?

iSignatureSuite ships an update every 6 months, and RF toolbox every 6 months. Most recently, iSignatureSuite was updated on September 17, 2026 and RF toolbox on September 9, 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.*