# astrx Calculator vs AiDA

The clearest difference is review sentiment: AiDA at 100% against astrx Calculator's 0%. AiDA also leads on in-app purchases (none vs 6) and update cadence (every 10 days vs every 3 months). astrx Calculator's advantage is rating (5.0 vs 4.0). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. astrx Calculator sells 6 one-off in-app purchases. AiDA asks for nothing beyond the download.

astrx Calculator holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews complicate that: 0% of astrx Calculator's written reviews are positive against 100% of AiDA's, so the app with the better star average is not the one people write more warmly about.

astrx Calculator ships an update every 3 months, AiDA every 10 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | astrx Calculator | AiDA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/astrx-calculator/id1609741077/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/aida-astrodiary/id1661471263/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 6 MB | 67 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Genna](https://appshunter.io/developer/1609741079) | [RUSLAN DZHANSAKOV](https://appshunter.io/developer/1661471265) |

## What reviewers say

### astrx Calculator

[App page](https://appshunter.io/ios/app/astrx-calculator/id1609741077)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vettius Valens of Antioch | $0.99 | one-time |
| Julius Firmicus Maternus | $0.99 | one-time |
| Dorotheus of Sidon | $0.99 | one-time |
| Abu Ma shar al-Balkhi | $1.99 | one-time |
| Avraham ibn-Ezra | $1.99 | one-time |
| Guido Bonatti | $1.99 | one-time |


### AiDA

[App page](https://appshunter.io/ios/app/aida-astrodiary/id1661471263)

This app combines a multifunctional diary with AI-powered dream interpretation and personalized horoscopes. It aids in self-understanding and personal development by organizing thoughts, events, and dreams into categories, offering secure access to your data.

**Highlights:** Multifunctional diary with categories, AI dream interpretation, Personalized horoscope, Self-understanding and personal development tools, Password lock and local backup, Multilingual support

**In-app purchases:** none


## Frequently asked questions

### Is astrx Calculator free?

astrx Calculator is free to download, with in-app purchases available.

### Is AiDA free?

AiDA is free to download, with no in-app purchases.

### Which has better reviews, astrx Calculator or AiDA?

astrx Calculator is rated higher. astrx Calculator averages 5.0 out of 5 from 1 ratings, while AiDA averages 4.0 from 1 ratings.

### Do astrx Calculator or AiDA have ads?

Neither astrx Calculator nor AiDA shows ads.

### Which is updated more often, astrx Calculator or AiDA?

astrx Calculator ships an update every 3 months, and AiDA every 10 days. Most recently, astrx Calculator was updated on November 3, 2026 and AiDA on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*