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Retrograde: Tracking Mercury

Retrograde: Tracking Mercury

Every retrograde, 1900 to 2100

1 ratings
5 reviews
🌟 Lifestyle
🔍 Reference
Free
In-App Purchases

Price history

Details

Released
June 30, 2019
Updated
November 2, 2026

Features

Developer

Dialect Agency Inc.
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About

Track Mercury's retrograde cycles from 1900 to 2100 with detailed astronomical data. Get real-time status, historical archives, and customizable notifications for nine specific events. All calculations and data are processed locally on your device for privacy.

✓Mercury retrograde cycle tracking (1900-2100)
✓On-device astronomical calculations
✓Detailed current measurements and event estimates
✓Interactive orrery and velocity plots
✓Full cycle archive with chronology
✓Customizable notifications for nine events
✓Offline functionality
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What's New in Retrograde

3.5

November 2, 2026

Retrograde is now free, every part of it. EVERYTHING INCLUDED. The complete 633-cycle archive, Calendar export, and all nine event alerts are open to everyone. There is nothing to buy and nothing to restore. IF YOU ALREADY PAID. Thank you. You keep everything, and nothing changes for you.

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Subscriptions & In-App Purchases

$4.99

Full Instrument

Cycles, Calendar export, and event alerts.

User reviews

Most RecentHighest RatedLowest Rated

Ohhh love this app

They added a function where each day there is a piece of ancient wisdom and the new functionality is really good
MMissamychan

Response from developer

We're so glad you're enjoying the ancient wisdom feature! It's wonderful to hear you find it a valuable addition. — retrograde

No pre or post shadow

It’s ok. Not anything great. It shows the Mercury retrograde dates & will send notifications but it doesn’t show pre or post shadow. It’s not worth the money. I am looking for an app that does it all...shows retrograde of all the major planets, shows pre & post shadow, strength of retrograde, as well as notifications. Thanks anyway.
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MMjheas111

Response from developer

Hi there! I know it's been years, but we've completely rebuilt it from the ground up, and your upgrade is free. Thanks for being one of our early users. If you like the new stability, features, and speed, please leave a new review!

Love the app!

Love this app! Hoping that they add a widget feature to eventually.
Kkota8

Response from developer

Widget coming and a complete design refresh!

Notifications do not work

This app would be perfect. The layout is perfect and I wouldn’t change anything about it except the notifications do NOT work. I have played with the settings and have all the notifications turned on on my phone but I do not receive any notifications from this app no matter what I do. Please fix this ASAP as this was my reason for downloading this app. Thank you.
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Ssteph22555

Response from developer

Hi Friend! The notifications have been fixed! Thanks for reporting this in and please feel free to send any more suggestions or questions to hello@retrogradeapp.com

Please Fix!!

Please add option to track the “shadow days” when mercury is slowing down and speeding up (which is important to many who track Mercury) as well as days it SD! If so I will “promptly” switch to 5 stars!!! I only downloaded this app because of ur calendar option, believing it would have this information. Minus this feature being added there are two other free apps that tell you when mercury is in retro - making this app a waste of your money. I will check back often for those interested and update my post promptly for those still searching for this feature. Hopeful they will fix it as this app seems to have great potential but if not hopefully someone will see this and create one :) If app creators see this please, please add this feature as it would be sooooo appreciated!!! 🥰
I emailed and they were quick and friendly with response and said they would add features by the next rx period. I’m adding stars for this and if they really fix it by next rx ill add 5 stars. Right now its 11/2019 for reference. I really hope they add those features :)
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LRLuna Rayo

Response from developer

Hi there! I know it's been years, but we've completely rebuilt it from the ground up, and your upgrade is free. Thanks for being one of our early users. If you like the new stability, features, and speed, please leave a new review!

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FAQ

Is Retrograde free to use?

Yes, Retrograde is completely free. All features, including today's answer, the animated orrery, current measurements, any-date reports, sharing, widgets, the complete 633-cycle archive, Calendar export, and all nine event alerts, are included at no cost. There is nothing to buy.

Does Retrograde have ads?

No, Retrograde is ad-free. The app is designed with privacy in mind and does not include advertisements or any form of tracking.

What devices does Retrograde support?

Retrograde is available for iPhone and iPad. It is designed to run on Apple's mobile operating systems.

How often is Retrograde updated?

The latest version of Retrograde is 3.5, last updated on November 2, 2026. Updates typically include improvements to data accuracy and feature enhancements.

Can I get notifications for Mercury events in Retrograde?

Yes, Retrograde offers nine individually controlled notification events. You can choose to be alerted for pre-retrograde shadow begins, greatest eastern elongation, station retrograde, peak retrograde speed, inferior conjunction, closest approach to Earth, station direct, greatest western elongation, and post-retrograde shadow ends.

Is Retrograde's data accurate?

The app uses astronomical data derived from NASA/JPL Horizons geocentric vectors for its 633 Mercury retrograde cycles from 1900 through 2100. Current measurements and additional event estimates are calculated on your device for accuracy.

Does Retrograde work offline?

Yes, the core instrument of Retrograde works offline. All calculations, data, alerts, and card generation are processed locally on your device, ensuring privacy and functionality without an internet connection.

What is the age rating for Retrograde?

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