# Physiology Solution vs A

The clearest difference is review sentiment: Physiology Solution at 67% against A's 0%. Physiology Solution also leads on rating (3.8 vs 1.0) and in-app purchases (none vs 3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. A sells 3 in-app purchases, starting at $1.99 per month. Physiology Solution asks for nothing beyond the download.

Physiology Solution holds the better App Store score, 3.8 against 1.0. That said, the two scores are not equally well evidenced: Physiology Solution has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 67% of Physiology Solution's written reviews are positive against 0% of A's.

Physiology Solution ships an update every 7 months, A every 8 months. The most recent releases landed on July 29, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Physiology Solution | A |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (5 ratings)](https://appshunter.io/ios/app/physiology-solution/id1455306712/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/a-level-biology-app/id1613078220/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 8 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 179 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Quantum Quasar Infoworld LLP](https://appshunter.io/developer/1095005974) | [Aerion Design Labs Ltd.](https://appshunter.io/developer/1029206329) |

## What reviewers say

### Physiology Solution

[App page](https://appshunter.io/ios/app/physiology-solution/id1455306712)

Explore comprehensive information on human physiology, drawing from established medical texts. This educational tool provides key concepts and figures for learning purposes.

**Highlights:** Human physiology content, Based on Guyton and Ganong, Educational figures and text, Comprehensive information

**Features:** macOS Compatibility

**In-app purchases:** none


### A

[App page](https://appshunter.io/ios/app/a-level-biology-app/id1613078220)

Prepare for A-Level Biology exams with over 1000 practice questions covering all topics. Track your progress, identify areas for improvement, and take chapter-based tests and full mock quizzes to assess your readiness.

**Highlights:** 1000+ practice questions, Covers all course topics, Chapter-based tests, Pop and Mock quizzes, Progress monitoring, Topic-specific improvement tracking

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ALevel Biology Subscription | $1.99 | per month |
| ALevel Biology Subscription | $7.99 | per 6 months |
| ALevel Biology Subscription | $9.99 | per year |


## Frequently asked questions

### Is Physiology Solution free?

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

### Is A free?

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

### Which has better reviews, Physiology Solution or A?

Physiology Solution is rated higher. Physiology Solution averages 3.8 out of 5 from 5 ratings, while A averages 1.0 from 1 ratings.

### Do Physiology Solution or A have ads?

Neither Physiology Solution nor A shows ads.

### Which is updated more often, Physiology Solution or A?

Physiology Solution ships an update every 7 months, and A every 8 months. Most recently, Physiology Solution was updated on July 29, 2026 and A on June 11, 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.*