Comparison

astrx Calculator vs Cronology

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

Cronology

Read full description

Cronology – Your AI-Powered Personal Journaling Alternative Cronology is an AI-first personal journaling alternative and life-tracking app designed to help you effortlessly log your daily experiences, track your emotions, and gain personalized insights. Unlike traditional journaling apps, Cronology minimizes the effort required to capture your thoughts while maximizing the value of your reflections. By combining AI-driven automation with deep iOS integration, Cronology helps you gain a deeper understanding of yourself, all without disrupting your busy lifestyle. Effortless Logging with AI Gone are the days of struggling to remember to journal every day or staring at a blank page. With Cronology, you simply log how you're feeling on a scale of 0-10 and note the most significant parts of your day, which is automatically processed by Cronology. These short, simple inputs are then turned into meaningful insights and visualizations, offering you a comprehensive view of your emotional trends and life milestones. Interactive Visualizations Cronology transforms your daily logs into immersive, interactive visuals. Track your emotional journey with a dynamic mood chart that maps your feelings over time. Each day is brought to life with a badge, a couple of charms, key events from your entry, and a plethora of user assets that you provide, offering a quick, intuitive snapshot of your day. By blending engaging visual elements with AI-driven insights, Cronology makes reflecting on your life both effortless and enjoyable. AI-Powered Agent Chat for Deeper Reflection One of the most unique features of Cronology is the Muse – an interactive AI-powered assistant designed to help you dive deeper into your day. After you log your basic emotional state and key events, the Muse follows up with personalized questions that guide you through further reflection. The Muse asks thoughtful, open-ended questions about your experiences, feelings, and thoughts, helping you explore your emotions on a deeper level. This chat-based feature helps users uncover insights that might have otherwise been overlooked. The Muse adapts its questions to your emotional state and the details you've shared, making each conversation feel personal and insightful. As you respond, it updates your life logs, capturing more details about your day to create a richer reflection. Whether you’re looking to understand why you felt a certain way or exploring how to improve in the future, the Muse is designed to make life logging more meaningful and personalized. Privacy and Control At Cronology, user privacy is a top priority. All your data is securely stored, encrypted, and controlled by you. You can export, edit, or delete your logs at any time, ensuring full transparency and control over your personal information. The app is designed to comply with global privacy regulations, so you can trust that your data is handled responsibly. Optimized for Real-Time Use Cronology is optimized for low-latency AI interactions and efficient performance, ensuring that every time you interact with the app, it feels seamless. The app is designed to minimize battery usage and memory footprint, ensuring that it works efficiently, even in the background. The Future of Life Logging Cronology is more than just a journaling app—it’s a complete life reflection system powered by AI. It’s designed to grow with you, continually adapting and improving based on your needs and feedback. Whether you're a busy professional, a self-improvement enthusiast, or someone looking to gain deeper insights into your emotional and personal growth, Cronology is here to help you unlock your full potential. Terms of Service (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://yashkothari.notion.site/Cronology-Privacy-Policy-1d0e1d3cc45880d98494c80ee82ff957?source=copy_link

Screenshots

astrx Calculator4 screens
Cronology4 screens

Verdict

The call

The clearest difference is update cadence: Cronology at every 4 days against astrx Calculator's every 3 months. astrx Calculator's advantage is iOS requirement (16.6 vs 18.0). On price, ads, in-app purchases and device support 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 Cronology sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

astrx Calculator ships an update every 3 months, Cronology every 4 days. The most recent releases landed on October 19, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
astrx Calculator versus Cronology: the parameters behind the verdict, then further details
Parameterastrx CalculatorCronology
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 3 monthsEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.6 — better18.0
Further details — not scored
Size6 MB34 MB
Age rating4+4+
DeveloperAlexander GennaYash Kothari

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
2 purchases

Cronology

Subscriptions2
  • Cronology Premium$3.991 Month
  • Cronology Premium Annual$24.991 Year

Questions

Is astrx Calculator free?
astrx Calculator is free to download, with in-app purchases available.
Is Cronology free?
Cronology is free to download, with in-app purchases available.
Do astrx Calculator or Cronology have ads?
Neither astrx Calculator nor Cronology shows ads.
Which is updated more often, astrx Calculator or Cronology?
astrx Calculator ships an update every 3 months, and Cronology every 4 days. Most recently, astrx Calculator was updated on October 19, 2026 and Cronology on October 30, 2026.

Other comparisons