Comparison

astrx Calculator vs VisualAstro

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

Head to head
About

astrx Calculator

This app simplifies the calculation of astrological lots, offering an intuitive interface for both practicing astrologers and enthusiasts. It provides a growing list of lot formulas, detailed calculations, and customizable display options for a personalized astrological experience.

Highlights
  • Calculate astrological lots
  • Enter zodiacal placements
  • Display decimal degrees
  • Alternative calculation methods
  • Pin and recall lots
  • Searchable list of lot formulas
  • Determine essential dignities
Read full description

astrx makes the calculation of astrological lots simple, allowing you to focus on the Astrology. You'll appreciate its simple, intuitive interface, and love the every growing list of lot formulas it puts in your pocket. Whether you're a practicing astrologer, or just an enthusiast looking to explore this fascinating technique with your own chart, you'll find astrx an invaluable tool if you have an interest in working with Astrological Lots. - Enter Zodiacal Placements - Displays Decimal Degree of Entered Placements - Provides alternative calculation (by counting of whole signs) option - Easily Swap Zodiacal Placements for Sect Reversal - Tap to Send the Calculated Lot Placement to the "Begin At" or "Count To" Field for the Next Calculation - Pin Lots you are working with for easy recall, and reference to Sign, Lord and Term Lord - Review many Lots Formulas in the List of Lots - Search the List of Lots by Name, Common Synonym and Keywords - Search the List of Lots with Logical AND|OR comparison of Significators - Set Display Colors to Increase Contrast, or Just Match Your Mood - Determines Whole Sign House of the Calculated Lot - Automatically Displays Modality of the House and Triplicity of the Sign -- Automatically Determines Essential Dignities of the Calculated Lot -- Domicile Rulership -- Triplicity Rulership -- Term Rulership -- Decan Rulership -- Calculates Dodekatemorion (12th part) of placement -- Calculates Antiscia and Contra-Antiscia -- Calculates Zodiacal Midpoint of "Begin At" and "Count To" Significators - Automatically Updates Rulerships Based on Selected Sect - Configurable Astrological Systems -- Triplicity Traditions of Dorotheus or Ptolemy -- Systems of Terms by the Egyptian's, Chaldean's or Ptolemy's -- Decans in Chaldean Order or by the Triplicity Method - Add to the Library of Lot Formulas at your Fingertips in the List of Lots -- Compare Formulas of Different Traditional Authors in the List of Lots CONTACT: Do you have questions, feedback or good ideas? Are there Lots you would like to see added to astrx, we are always happy to hear from you! Please contact us at info@PracticalEndeavors.com. Terms of Use see the Apple’s Standard License Agreement at: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

VisualAstro

Explore precise astrological analyses with detailed charts, transits, and progressions. Analyze relationships with synastry and composite charts, and delve into vibrational astrology with advanced visualizations. Features include customizable settings and privacy-focused on-device processing.

Highlights
  • Accurate astrological charts
  • Transit and progression analysis
  • Synastry and composite charts
  • Vibrational astrology reports
  • Interactive chart visualizations
  • Customizable house systems and orbs
  • On-device Apple Intelligence processing
Features
Read full description

VisualAstro brings a modern and very intuitive Astrology analysis to your device — and it's free. Easily explore harmonics, midpoints, fixed stars, anticia, golden mean midpoint and pattern highlights with professional‑grade chart accuracy. And much much more: - Accurate charts: Swiss Ephemeris, time‑zone rules by date/place (including pre‑standard offsets), and an offline world‑cities database. Includes Topocentric calculation for all objects and Planet's True Positions. Precision up to the second of arc. 0-4000 AD. - Read chart data from photo for your commodity. Use your camera to capture name, date, time and location from sources like AstroDataBank and other reference software for your commodity. Simple and agile. - Transits: fast lookups for any aspected related pair of objects date/time; dynamic step by year/month/day/hour/minute with transits-natal, transits-transits and ingresses in sign/houses. - Secondary Progressions: fast lookups for any aspected related pair of objects date/time; dynamic step by year/month/day/hour/minute with progression to natal, lunation, ingresses and retrograde cycles. - Synastry and Composite Davison Method: bi‑wheel overlays to compare two charts; create Davison composites for relationship analysis. Davison Chart for the Transits. - Vibrational Astrology: Vibrational Charts and secondary vibes, midpoint structures, golden‑mean midpoints, aspect strength/highlights, clear visuals for discovery. Full Vibrational Chart Reports with customisable vibe ranges, advanced rating system for score ranking, spotlights on quincunxes, 11/24, 4 or more conjunction and Isotraps below 1 minute. Interactive spectrum graph analysis with all the feature in the Vibrational Report plus Fractals and Prominent Primes highlights and multiple filters for the astrological explorer. - Easy visualisation: clean charts, click-to-highlight features in the chart, color‑coded aspects, retrograde markers, smart labels with contextual information, light/dark mode. Single chart with dual layout for your preference. - Antícia, Fixed Stars and Golden Mean Midpoint with orb customisable conjunction detection. - Customisation: multiple house systems (12 to choose from), flexible orb settings for individual technique, Tropical, Sidereal and Heliocentric Zodiac Type. Customise your work area with sections reordering. multi-language (english and portuguese) and time‑format options, tags/type for chart classification and exploratory research. Notes to organize work and keep track of notable insights. Topocentric and True planetary positions at your service. - NEW FEATURE: Apple Intelligence Vibration Synthesis in circuits, isotraps, midpoint structures and Vibrational Chart Report vibrations: Private and runs only in-device. Data is not sent out to online LLMs. - NEW FEATURE: Time-Continuum for primary chart. Dynamically updates calculations and allows Chart Rectification with the help of Transits and Progressions. - Privacy‑first: no account required; calculations run on‑device; optional iCloud Sync stores your charts in your private iCloud. - Works anywhere: offline cities and built‑in time‑zone data. Optional inexpensive add‑ons (via in‑app purchase): Synastry, Davison Composite, Transits, Progressions, Vibrational Chart Reports and Vibrational Chart Spectrum .

Screenshots

astrx Calculator4 screens
VisualAstro4 screens

Verdict

The call

astrx Calculator and VisualAstro both sit at 5.0 stars, but that hides the real split: 100% of VisualAstro's written reviews are positive against 0% of astrx Calculator's. VisualAstro also leads on update cadence (every 10 days vs every 3 months) and ratings volume (5 vs 1). astrx Calculator's advantage is iOS requirement (16.6 vs 18.0). On price, rating, ads and in-app purchases 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

Both are free to download. astrx Calculator sells 6 one-off in-app purchases and VisualAstro sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for astrx Calculator against 5.0 for VisualAstro. That said, the two scores are not equally well evidenced: VisualAstro has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 0% of astrx Calculator's written reviews are positive against 100% of VisualAstro's.

UpkeepUpdate frequency

astrx Calculator ships an update every 3 months, VisualAstro every 10 days. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
astrx Calculator versus VisualAstro: the parameters behind the verdict, then further details
Parameterastrx CalculatorVisualAstro
PriceFreeFree
Rating5.0 (1 ratings)5.0 (5 ratings)
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings15 — better
Update frequencyEvery 3 monthsEvery 10 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.6 — better18.0
Further details — not scored
Size6 MB389 MB
Age rating4+9+
DeveloperAlexander GennaNelson Jorge Vieira Ramos

Customer experience

astrx Calculator

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

VisualAstro

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

6 purchases

astrx Calculator

One-time6
  • Vettius Valens of Antioch$0.99
  • Julius Firmicus Maternus$0.99
  • Dorotheus of Sidon$0.99
Show 3 more
  • Abu Ma shar al-Balkhi$1.99
  • Avraham ibn-Ezra$1.99
  • Guido Bonatti$1.99
9 purchases

VisualAstro

One-time9
  • Small support donation$1.99
  • Small Donation to the Project$1.99
  • Composite$3.99
Show 6 more
  • Vibrational Chart Spectrum$3.99
  • Synastry$3.99
  • Davison Composite Charts$3.99
  • Transits$8.99
  • Progressions$8.99
  • Vibrational Chart Report$8.99

Questions

Is astrx Calculator free?
astrx Calculator is free to download, with in-app purchases available.
Is VisualAstro free?
VisualAstro is free to download, with in-app purchases available.
Which has better reviews, astrx Calculator or VisualAstro?
astrx Calculator and VisualAstro are both rated 5.0 out of 5 on the App Store, from 1 and 5 ratings respectively.
Do astrx Calculator or VisualAstro have ads?
Neither astrx Calculator nor VisualAstro shows ads.
Which is updated more often, astrx Calculator or VisualAstro?
astrx Calculator ships an update every 3 months, and VisualAstro every 10 days. Most recently, astrx Calculator was updated on October 19, 2026 and VisualAstro on October 24, 2026.

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