Archived App (Last seen on 15 Jan 2026)

This is an archived listing of the app previously available on the App Store.

Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.

Details

  • Released
  • Updated
  • March 28, 2017
  • December 22, 2024

Features

isobars screenshot #1 for iPhone
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About

Access a 6-day surface pressure forecast from the UK Met Office. Downloaded forecasts can be viewed offline, ideal for areas with no internet access. The app automatically updates forecasts twice daily and allows manual refreshes.

6-day surface pressure forecasts
Offline access to downloaded data
Automatic forecast updates
Manual forecast refresh
Pan and zoom map functionality
UK Met Office Data Point API integration
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What's New in isobars

2.1

December 22, 2024

Improved the alpha-blending of the UK base image with the isobars so isobars are visible over the UK

User reviews

Does exactly what’s needed

I had expected that there would be quite a few synoptic chart download apps out there. Not so. Fortunately, Isobar does a great job at this particular need. It will download the charts from UKMO and let you flip between the forecast maps easily making a quick analysis possible. The app is a great example of choose what to implement and do it well: it doesn’t do anything else. Kudos to the developers!
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Isobars

This app finally shows the barometric information that is missing from the Met Office app. The Met app used to be very good but ‘dumbed’ down around the time the BBC stopped using their services exclusively. Now at last I can see the ‘weather’ coming at us from the West. If an overlay is possible it would be useful to superimpose the shipping sea areas and perhaps the coastal stations to coincide with the Shipping Forecast. Although not at the cost of losing the wide view currently offered.

I learnt to draw these charts many years ago and can still interpret them up to a point. Forecasting is so much easier with all the different weather condition radars now, but it is still predicting the future and sometimes a look out of the window will give you more idea of what will happen. In any event as we live where we do always take your biggest coat, sunglasses and snowshoes just in case!
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Please read

Could you please add the us

Isobar

It would be OK but the red overlay covering the area of interest masks the isobaric and ‘frontal’ detail which renders it pretty useless really.

Developer apps

FAQ

What is the primary function of isobars?

isobars provides offline access to 6-day surface pressure forecasts from the UK Met Office. It downloads these forecasts so you can view them even without an internet connection.

How often are the forecasts updated in isobars?

The Met Office updates forecasts twice daily, around 07:30 and 19:30 GMT. isobars will automatically download these updated forecasts when available.

Can I view isobars forecasts without an internet connection?

Yes, isobars is designed for offline use. It downloads the forecast images locally, allowing you to consult them on a boat or in any location without internet access.

How do I manually refresh the forecasts in isobars?

You can force an ad-hoc download of updated forecasts by tapping the red day/time banner displayed within the app.

What devices is isobars compatible with?

isobars is available for iPhone, iPad, and iPod. It is designed to run on iOS devices.

What is the age rating for isobars?

isobars has an age rating of 4+, making it suitable for a wide range of users.

Does isobars have ads?

No, isobars does not contain advertisements. The app is completely ad-free, providing an uninterrupted user experience.

What is the user rating for isobars?

isobars has a high user rating of 4.7 stars, based on 3 ratings. This indicates strong user satisfaction with the app's functionality.