# CalBio vs Cognize

The clearest difference is in-app purchases: CalBio at none against Cognize's 2. CalBio also leads on iOS requirement (13.0 vs 15.0). Cognize's advantage is update cadence (weekly vs every 10 months). On price, ads and device support there is nothing between them.

Both are free to download. Cognize sells 2 in-app purchases, starting at $2.99 per month. CalBio asks for nothing beyond the download.

CalBio ships an update every 10 months, Cognize weekly. The most recent releases landed on November 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CalBio | Cognize |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calbio/id1451734362/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 81.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Weekly** |
| Monetization | Free | — |
| Size | 31 MB | 110 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andres Enrique Lai Reyes](https://appshunter.io/developer/1366617946) | [Andrea Tesoro](https://appshunter.io/developer/1799709221) |

## What reviewers say

### CalBio

[App page](https://appshunter.io/ios/app/calbio/id1451734362)

This astronomical calendar supports biodynamic practices with daily celestial observations, planetary positions, and recommended agricultural activities. It's valid for both hemispheres and works offline, offering content in Spanish, English, and Portuguese.

**Highlights:** Astronomical calendar for biodynamic practices, Celestial observations and planetary positions, Daily agricultural activity recommendations, Offline functionality, Multi-language support (Spanish, English, Portuguese), Valid for both hemispheres

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

**In-app purchases:** none


### Cognize

[App page](https://appshunter.io/ios/app/cognize-habit-tracker-and-focus/id6742746066)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan — $3.99 per month | $2.99 | per month |
| Yearly Plan — $24.99 per year | $34.99 | per year |


## Frequently asked questions

### Is CalBio free?

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

### Is Cognize free?

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

### Do CalBio or Cognize have ads?

Neither CalBio nor Cognize shows ads.

### Which is updated more often, CalBio or Cognize?

CalBio ships an update every 10 months, and Cognize weekly. Most recently, CalBio was updated on November 2, 2026 and Cognize on October 7, 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.*