# Physiology vs Cram AI

The clearest difference is monetization model: Physiology at free with in-app purchases against Cram AI's subscription. Physiology also leads on ratings volume (4 vs 1). Cram AI's advantage is rating (5.0 vs 4.5) and iOS requirement (15.1 vs 17.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Physiology sells 6 in-app purchases, starting at $7.99 per 7 days and Cram AI sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Cram AI holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Physiology ships an update every 2 weeks, Cram AI every 9 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Physiology | Cram AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/physiology/id6755627053/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cram-ai/id6756283712/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 21 MB | 43 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) | [Finn Carmichael](https://appshunter.io/developer/1753291748) |

## What reviewers say

### Physiology

[App page](https://appshunter.io/ios/app/physiology/id6755627053)

Master human body functions with engaging quizzes covering a wide range of physiological topics. Ideal for students and professionals seeking to enhance their knowledge and skills in this complex field.

**Highlights:** Comprehensive quiz coverage, Engaging learning format, Covers multiple physiological systems, Boosts knowledge and confidence, Suitable for students and professionals

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $7.99 | per 7 days |
| 1 Month | $19.99 | per month |
| 1 Year | $29.99 | per year |
| 1500 | $1.99 | one-time |
| 3500 | $2.99 | one-time |
| 9000 | $4.99 | one-time |


### Cram AI

[App page](https://appshunter.io/ios/app/cram-ai/id6756283712)

This app uses AI-powered flashcards, quizzes, and study plans to help users learn more effectively. It tracks progress and identifies weak spots for personalized review, making studying more efficient.

**Highlights:** AI-generated flashcards, Multiple learning modes, AI-powered weak spot identification, Personalized study plans, Progress tracking and insights, Quiz generation

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cram Monthly | $7.99 | per month |
| Cram Yearly | $24.99 | per year |


## Frequently asked questions

### Is Physiology free?

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

### Is Cram AI free?

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

### Which has better reviews, Physiology or Cram AI?

Cram AI is rated higher. Physiology averages 4.5 out of 5 from 4 ratings, while Cram AI averages 5.0 from 1 ratings.

### Do Physiology or Cram AI have ads?

Neither Physiology nor Cram AI shows ads.

### Which is updated more often, Physiology or Cram AI?

Physiology ships an update every 2 weeks, and Cram AI every 9 days. Most recently, Physiology was updated on October 25, 2026 and Cram AI on October 28, 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.*