# Asttrolok vs Formulary+

The clearest difference is update cadence: Asttrolok at weekly against Formulary+'s monthly. Asttrolok also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Asttrolok sells 10 one-off in-app purchases and Formulary+ sells 12 in-app purchases, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

Asttrolok ships an update weekly, Formulary+ monthly. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Asttrolok | Formulary+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Size | 46 MB | 18 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alok Khandelwal](https://appshunter.io/developer/1826502286) | [ERDINC ERSOY](https://appshunter.io/developer/1860801978) |

## What reviewers say

### Asttrolok

[App page](https://appshunter.io/ios/app/asttrolok/id6748603537)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ayurveda | $59.99 | one-time |
| Nakshatras | $149.99 | one-time |
| Panchang and Muhurat | $149.99 | one-time |
| Numerology | $149.99 | one-time |
| Medical Astrology | $149.99 | one-time |
| Jaimini Astrology | $149.99 | one-time |
| Career Astrology | $149.99 | one-time |
| KP Astrology | $149.99 | one-time |
| Astrology Level 2 | $249.99 | one-time |
| Astrology Level 3 | $249.99 | one-time |


### Formulary+

[App page](https://appshunter.io/ios/app/formulary-plus/id6759667177)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly | $19.99 | per year |
| Civil Engineering | $0.99 | one-time |
| Electrical Engineering | $0.99 | one-time |
| Geochemistry | $0.99 | one-time |
| Meteorology & Atmospheric Science | $0.99 | one-time |
| Astronomy & Astrophysics | $0.99 | one-time |
| Chemical Engineering | $0.99 | one-time |
| Geophysics | $0.99 | one-time |
| Biology & Biomedical Engineering | $0.99 | one-time |
| Computer Science | $0.99 | one-time |
| All Disciplines Bundle | $9.99 | one-time |
| Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Asttrolok free?

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

### Is Formulary+ free?

Formulary+ is free to download, with in-app purchases available.

### Do Asttrolok or Formulary+ have ads?

Neither Asttrolok nor Formulary+ shows ads.

### Which is updated more often, Asttrolok or Formulary+?

Asttrolok ships an update weekly, and Formulary+ monthly. Most recently, Asttrolok was updated on October 8, 2026 and Formulary+ on October 24, 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.*