# iBiology™ vs Biology Notes and Dictionary

The clearest difference is rating: iBiology™ at 4.5 against Biology Notes and Dictionary's 3.5. iBiology™ also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (9.0 vs 12.0). Biology Notes and Dictionary's advantage is monetization model (free vs freemium). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iBiology™ holds the better App Store score, 4.5 against 3.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

iBiology™ ships an update every 2 weeks, Biology Notes and Dictionary every 2 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | iBiology™ | Biology Notes and Dictionary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/ibiology/id1330652402/reviews)** | [3.5 (2 ratings)](https://appshunter.io/ios/app/biology-notes-and-dictionary/id6478813012/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Freemium | **Free** |
| Size | 106 MB | 36 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 17+ |
| Developer | [Antonio Giarrusso](https://appshunter.io/developer/1433879699) | [Muhammad Faizan Ali Khan](https://appshunter.io/developer/1734026777) |

## What reviewers say

### iBiology™

[App page](https://appshunter.io/ios/app/ibiology/id1330652402)

This biology app serves as a personal tutor, offering clear explanations and organized topics to help users master biology concepts and prepare for exams. It features an advanced search and synthesis for efficient learning.

**Highlights:** 30+ biology topics explained clearly, 4 core biology sections, Effective synthesis for definitions, Advanced search algorithm, Interactive quizzes (Pro version), Topic insights (Pro version)

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

**In-app purchases:** none


### Biology Notes and Dictionary

[App page](https://appshunter.io/ios/app/biology-notes-and-dictionary/id6478813012)

Master biology with detailed notes, a comprehensive dictionary, and interactive quizzes. This app provides a user-friendly interface for students, educators, and enthusiasts to explore and understand biological concepts. Regular updates ensure fresh content aligned with scientific advancements.

**Highlights:** Extensive biology notes, Comprehensive biology dictionary, Efficient search functionality, MCQs and quizzes, Continuous updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iBiology™ free?

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

### Is Biology Notes and Dictionary free?

Biology Notes and Dictionary is free to download, with no in-app purchases.

### Which has better reviews, iBiology™ or Biology Notes and Dictionary?

iBiology™ is rated higher. iBiology™ averages 4.5 out of 5 from 2 ratings, while Biology Notes and Dictionary averages 3.5 from 2 ratings.

### Do iBiology™ or Biology Notes and Dictionary have ads?

Neither iBiology™ nor Biology Notes and Dictionary shows ads.

### Which is updated more often, iBiology™ or Biology Notes and Dictionary?

iBiology™ ships an update every 2 weeks, and Biology Notes and Dictionary every 2 months. Most recently, iBiology™ was updated on November 2, 2026 and Biology Notes and Dictionary on November 4, 2026.

---

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