# Joule

> Mobile app for accessing live, read-only market prices. (iPhone/iPad app by Trayport Limited.)

- Source: https://appshunter.io/ios/app/joule/id605267165 (this page in markdown: same URL + `.md`)
- Developer: [Trayport Limited](https://appshunter.io/developer/593023141)
- Category: Finance
- Price: Free
- Rating: 3.00/5 from 2 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 6.0 · 6 MB
- Languages: English
- Released: 2013-03-06
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/joule/id605267165/reviews.md

## What is Joule?

Joule Mobile delivers the latest read-only market prices directly to mobile devices, allowing users to access their market data wherever they are. Users can instantly access a live only screen, showing just the live prices in the market. Trading Gateway users can also access screens designed on their desktops, creating a seamless transition from their desktop to their mobile.

## Key features

- Read-only market prices
- Live price screen
- Mobile market data access
- Desktop screen transition
- Real-time data

## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/joule/id605267165/reviews.md

### 1/5 — Server Code

*2020-03-27, version 1.3*

The app requires a server code.

### 5/5 — Pretty good

*2016-08-22*

Not bad for a mobile market app. Nice layout and matches my Joule screen.

### 5/5 — Easy to see markets

*2014-10-19*

Makes it easy to get the numbers I need on the move. Simple design that works with my desktop version is great.

### 5/5 — Joule

*2013-07-26*

Fantastic

## Frequently asked questions about Joule

### What is Joule?

Joule is a free mobile application designed to provide users with read-only access to live market prices directly on their mobile devices. It aims to offer a seamless experience for monitoring market data.

### Is Joule free to use?

Yes, Joule is available for free. The app does not require any payment to download or use its core features for accessing market prices.

### What devices does Joule support?

Joule is currently supported on iPhone and iPod devices. It is designed to run on these Apple mobile platforms.

### How often is Joule updated?

The latest version of Joule is 1.3, which was last updated on August 4, 2015. Users should check for newer versions for potential improvements and bug fixes.

### What is the age rating for Joule?

Joule has an age rating of 4+, making it suitable for a wide range of users. This rating indicates general appropriateness for most audiences.

### Does Joule have ads?

No, Joule does not contain advertisements. As it is a free application without in-app purchases or ads, users can expect an uninterrupted experience.

### Can I trade with Joule?

Joule provides read-only market prices and does not facilitate trading. It is designed for monitoring market data rather than executing trades.

### What kind of market data does Joule provide?

Joule delivers live, read-only market prices. It offers a live screen showing just the current prices in the market, allowing for quick access to essential data.

## Version history (last 4 releases)

### 1.3 — 2015-08-04

This app has been updated by Apple to display the Apple Watch app icon.

The following new features are available for SaaS clients only. Please contact your Client Manager for details.

- Live Only with Today's Trades
The new Live Only consolidates all the products on the marketsheet into a single screen. Only orders that are Firm, Implied, Indicative and Reference will be displayed. This reduces the amount of empty row space that was previously seen.

- Market Depth
Market Depth is now available for both the Live Only and standard marketsheets.

- New Light / Dark Theme
Both themes have been updated and now include the Blue/Red shaded colours for Bid/Ask.

- Override Code Column
You can now override the broker/trader company code column and choose whether to show Code, Venue or Execution.

- Trading Colours
Orders are now displayed in the appropriate trading colours. 

Note: For features to be enabled on your server, please contact support@trayport.com and we will pre-configure these options for you.

### 1.2 — 2014-10-13

Optimised for iOS 8

### 1.1 — 2014-05-29

Theme updated to match latest Joule desktop release.
Last updated time always visible.
Improved login/logout behaviour.

### 1.0.0 — 2013-03-06

No release notes.

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## More apps by Trayport Limited

- [globalCOAL](https://appshunter.io/ios/app/globalcoal/id879506478)
- [Joule Direct](https://appshunter.io/ios/app/joule-direct/id1161382978)
- [Trayport Joule](https://appshunter.io/ios/app/trayport-joule/id6636489026)

All apps by Trayport Limited: https://appshunter.io/developer/593023141

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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 2026-06-10.*