Comparison

P3 Micro Manual vs The Sky Pro by Redshift

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

P3 Micro Manual

Access the complete Elecraft P3 Owner's Manual and Programmer's Reference on your iPhone or iPad. This offline app provides all the information you need without requiring an internet connection, eliminating the need to carry bulky paper manuals.

Highlights
  • Elecraft P3 Owner's Manual
  • P3 Programmer's Reference
  • Offline access
  • Mobile-friendly format
  • No internet required
Read full description

* This application is intended to be a handy reference to the Elecraft P3 Owner's Manual and the P3 Programmer's Reference. * It includes the entire contents of the P3 panadapter owner's manual and the programmer's reference documents in a format suitable for the iPhone so it will be with you wherever you travel. * No bulky paper manuals to carry around. * Does not require a WiFi or LTE network to operate.

About

The Sky Pro by Redshift

Explore the cosmos with a comprehensive planetarium and knowledge base. Discover celestial objects, track their movements, and plan your observations. Features include augmented reality, 3D models, and educational content.

Highlights
  • Award-winning planetarium with 100,000+ stars
  • Accurate simulation of celestial phenomena
  • Real-time satellite tracking
  • Augmented reality sky view
  • 3D models of celestial objects
  • Telescope control (with subscription)
Features
Read full description

The Sky Pro by Redshift is your tool and your knowledge base when it comes to cosmic objects. Planets and moons, asteroids and comets, stars and deep-sky objects - explore the night sky and enjoy astronomy with The Sky Pro. Discover fascinating celestial objects and learn more about them. See what is happening in the sky tonight or travel through time to observe the objects on their orbits and to see how the constellations in the sky change. Features: • Award-winning planetarium with over 100,000 stars, 10,000 spectacular deep-sky objects and thousands of other celestial objects • Explore the night sky with unique brilliance and precision • Determine rising and setting times and plan your observations • Travel through time • Accurate simulation of planetary orbits, solar and lunar eclipses, conjunctions and many other celestial phenomena • Real-time tracking of satellites and space missions • Free update service to get the latest orbital data for satellites, comets and asteroids • Augmented reality to merge the sky in Redshift and the surrounding environment • Fascinating 3D models of the planets, moons, asteroids and many deep-sky objects • Land on the planets and moons to observe the sky from there • Breathtaking space flights to planets, moons and stars as well as distant galaxies and colorful nebulae • Comprehensive scientific data on celestial objects and their position, transit and visibility • Wide range of functions, yet easy to use • Numerous sky view settings, including a "Night View" option • "Today's Night Sky" and "My Favorites" show you what's going on in the sky tonight • Calendar for planning observation of solar and lunar eclipses • 25 interesting and educational chapters of "Discover Astronomy" • Share your most spectacular Redshift experiences via iMessage • Apple Watch connectivity helps you observe the sky Would you like to use this app as a professional tool for controlling your telescope? Extend the app with the professional subscription The Sky Ultimate and get one of the most powerful planetariums in the world. Configure your own sky views, find your perfect observation targets among millions of celestial objects, control your telescope, make fascinating journeys into space and experience the heavenly bodies up close. Features of The Sky Ultimate: • Your daily assistant for successful sky observation • Huge database with more than 2,500,000 stars and 70,000 deep-sky objects • Online access to more than one billion stars from the USNO-B1.0 and GAIA DR3 catalogues • Powerful sky calendar and precise location and visibility data for all objects • Telescope control for Meade or Celestron telescopes (except Celestron NexStar Evolution series) • Notifications so you never miss a celestial event • Ability to save an unlimited number of sky views with the option to send them to friends or reopen them in Redshift • Professional solar eclipse map showing the exact path of the Moon's shadow across the Earth's surface • Simulation of brightness variations of new stars and supernovae • Database of stars with exoplanets • Calculation of the trajectories of asteroids and comets with the unique numerical integration • Ability to select the exact landing site on a planet or moon • Tracking of the exact trajectory of satellites above the Earth ***** Questions or suggestions for improvements: Mail to support@redshiftsky.com We are looking forward to your feedback! For more information on news and updates: redshiftsky.com www.redshiftsky.com/en/terms-of-use/ *****

Screenshots

P3 Micro Manual2 screens
The Sky Pro by Redshift4 screens

Verdict

The call

The clearest difference is review sentiment: P3 Micro Manual at 100% against The Sky Pro by Redshift's 64%. P3 Micro Manual also leads on in-app purchases (none vs 3) and rating (5.0 vs 4.8). The Sky Pro by Redshift's advantage is update cadence (every 2 months vs every 11 months) and ratings volume (337 vs 1). On ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

P3 Micro Manual costs $3.99 and The Sky Pro by Redshift $6.99 up front. The Sky Pro by Redshift sells 3 in-app purchases, starting at $1.99 per month. P3 Micro Manual asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

P3 Micro Manual holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: The Sky Pro by Redshift has 337 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of P3 Micro Manual's written reviews are positive against 64% of The Sky Pro by Redshift's.

UpkeepUpdate frequency

P3 Micro Manual ships an update every 11 months, The Sky Pro by Redshift every 2 months. The most recent releases landed on October 7, 2026 and October 29, 2026 respectively.

Scorecard9 real differences · 1 level
P3 Micro Manual versus The Sky Pro by Redshift: the parameters behind the verdict, then further details
ParameterP3 Micro ManualThe Sky Pro by Redshift
Price$3.99 — better$6.99
Rating5.0 (1 ratings) — better4.8 (337 ratings)
Positive reviews100.0% of reviews — better64.3% of reviews
Number of ratings1337 — better
Update frequencyEvery 11 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPadiPhone, iPad, iPod, Apple Watch — better
Requires iOS17.115.6 — better
Further details — not scored
Size20 MB1.1 GB
Age rating4+4+
DeveloperMike Downs, ks7dUnited Soft Media Verlag GmbH

Customer experience

P3 Micro Manual

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

The Sky Pro by Redshift

All ratings337 ratings
Positive96.1%
Neutral1.5%
Negative2.4%
Written reviews56 reviews
Positive64.3%
Neutral7.1%
Negative28.6%

Bugs and requests

P3 Micro Manual

Not enough reviews yet to summarise bugs or requests.

The Sky Pro by Redshift

Reported bugs

31 issues
  • App crashes on launch
  • App crashes on iPad
  • Compass calibration issues (20° off)
  • Settings reset to default sporadically
  • Ultimate trial expired before fix
Show 26 more
  • No reply from developer
  • Ultimate trial cannot be used again
  • Ultimate trial didn't add features
  • Ultimate version not unlocking
  • App frozen on launch screen
  • Login issues
  • Information inaccurate (sun rise, moon phase)
  • Follow sky error message
  • App not working
  • Cannot see anything on display
  • Sky scan not possible
  • Time option limited to 1600 AD
  • Telescope control lost on reinstallation
  • Extended time frames lost on reinstallation
  • App not opening
  • Himmelscan not correct
  • App not activating after review
  • Constellation lines delay
  • Comet Atlas C/2019 Y4 not appearing
  • Famous comets only in subscription
  • Does not retain preference settings
  • Crashes when search icon is hit
  • Spacecraft section disappeared
  • Conjunction and meteor shower info missing
  • Rocket button placement issue
  • App freezes on launch screen with spinning loader

Requested features

19 requests
  • More details on Ultimate upgrade
  • Ability to fly to other galaxies
  • More distant stars accessible
  • Add JWST
  • More range to view universe
Show 14 more
  • Rotate universe from greater distance
  • Add nearby galaxies (LMC, SMC, Andromeda)
  • Always show constellation images
  • Add conjunction and meteor shower info
  • More flexible subscription options
  • Show planets visible and when, moon rise/set, best deep sky objects in 'Today's Sky'
  • Add more satellites
  • Add Telrad view finder
  • More observable comets
  • Add spacecraft section
  • More detailed information on celestial objects
  • Add Jupiter, Uranus, Neptune rings
  • Add constellations outside Milky Way
  • Update cosmological data

In-app purchases

None

P3 Micro Manual

No in-app purchases

3 purchases

The Sky Pro by Redshift

Subscriptions2
  • The Sky Ultimate 1 Month$1.991 Month
  • The Sky Ultimate 1 Year$9.991 Year
One-time1
  • The Sky Ultimate$22.99

Questions

Is P3 Micro Manual free?
P3 Micro Manual costs $3.99, with no in-app purchases.
Is The Sky Pro by Redshift free?
The Sky Pro by Redshift costs $6.99, and also offers in-app purchases.
Which has better reviews, P3 Micro Manual or The Sky Pro by Redshift?
P3 Micro Manual is rated higher. P3 Micro Manual averages 5.0 out of 5 from 1 ratings, while The Sky Pro by Redshift averages 4.8 from 337 ratings.
Do P3 Micro Manual or The Sky Pro by Redshift have ads?
Neither P3 Micro Manual nor The Sky Pro by Redshift shows ads.
Which is updated more often, P3 Micro Manual or The Sky Pro by Redshift?
P3 Micro Manual ships an update every 11 months, and The Sky Pro by Redshift every 2 months. Most recently, P3 Micro Manual was updated on October 7, 2026 and The Sky Pro by Redshift on October 29, 2026.

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