# Wingnut

> Mobile CRM data access for Underpin™ contacts, details, sales, and invoices. (iPhone/iPad app by Digital Fusion Limited.)

- Source: https://appshunter.io/ios/app/wingnut/id1187774803 (this page in markdown: same URL + `.md`)
- Developer: [Digital Fusion Limited](https://appshunter.io/developer/434315797)
- Category: Productivity, Business
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 16.0 · 102 MB
- Languages: Dutch, English, French, German, Italian, Japanese, Korean, Portuguese, Chinese, Spanish and 1 more
- Released: 2020-12-14
- Data updated: 2026-06-23
- Monetization: free

## What is Wingnut?

Wingnut is an app that gives visibility to data in your Underpin™ based crm. It allows searching for contacts, viewing the contact details, dossier items and Invoices.
It will also display sales information from the crm.

## Key features

- Search contacts
- View contact details
- Access dossier items
- Review invoices
- Display sales information

## Is Wingnut safe?

Not enough ratings yet to assess Wingnut.

## Is Wingnut legit?

Wingnut appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Wingnut is 73 out of 100 points across 7 verification signals from App Store and developer data.


## Frequently asked questions about Wingnut

### What is Wingnut?

Wingnut is a mobile application designed to provide access to your Underpin™ CRM data. It allows you to search for contacts, view their details, and access associated dossier items and invoices.

### What kind of sales information can I see in Wingnut?

Wingnut displays sales information directly from your Underpin™ CRM. This includes details relevant to your sales activities and performance metrics as recorded in the system.

### Is Wingnut compatible with my devices?

Wingnut is available for iPhone, iPad, and iPod devices. It is designed to offer a seamless experience across Apple's mobile ecosystem.

### How often is Wingnut updated?

The latest version of Wingnut is 2.1, last updated on January 15, 2026. While specific update frequency isn't detailed, the app has received updates since its release in 2020.

### What is the age rating for Wingnut?

Wingnut has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content.

### Can I manage my CRM data offline with Wingnut?

The provided description focuses on accessing and viewing data, implying an active internet connection is needed to sync with your Underpin™ CRM. Offline functionality is not specified.

### Does Wingnut offer collaboration features?

Wingnut's primary function is to provide individual access to CRM data. Collaboration features are not mentioned in the app's description.

### What are the benefits of using Wingnut for my CRM?

Wingnut offers the convenience of accessing critical CRM data, including contacts, details, sales figures, and invoices, directly from your mobile device, enhancing productivity and accessibility.

## Version history (last 3 releases)

### 2.1 — 2026-01-15

Bug fix - users could access the dev setup when they should not be allowed.

### 2.0 — 2024-01-23

Updated the FileMaker Pro SDK to version 20.

### 1.0 — 2020-12-14

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-23.*