# Integumentary System Quizzes vs iSearch Science

The clearest difference is price: iSearch Science at Free against Integumentary System Quizzes's $2.99. iSearch Science also leads on update cadence (every 3 weeks vs every 43 months). Integumentary System Quizzes's advantage is in-app purchases (none vs 8) and iOS requirement (11.0 vs 16.0). On ads and device support there is nothing between them.

iSearch Science is free to download; Integumentary System Quizzes costs $2.99 up front. iSearch Science sells 8 in-app purchases, starting at $7.99 per month. Integumentary System Quizzes asks for nothing beyond the download.

Integumentary System Quizzes ships an update every 43 months, iSearch Science every 3 weeks. The most recent releases landed on September 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Integumentary System Quizzes | iSearch Science |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[3.2 (13 ratings)](https://appshunter.io/ios/app/isearch-science/id1516874861/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | — | 84.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 43 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 39 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 12+ | 12+ |
| Developer | [Coskun CAKIR](https://appshunter.io/developer/482066275) | [Best Surgical Education, LLC](https://appshunter.io/developer/1331613158) |

## What reviewers say

### Integumentary System Quizzes

[App page](https://appshunter.io/ios/app/integumentary-system-quizzes/id1442907617)

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

**In-app purchases:** none


### iSearch Science

[App page](https://appshunter.io/ios/app/isearch-science/id1516874861)

This intelligent research assistant mines the web for studies, automatically refining searches and classifying results by type. It uses AI to identify entities like drugs and diseases, and can summarize content or answer questions about research findings.

**Highlights:** Automated query refinement, Study classification by type, Entity identification (drugs, diseases), AI-powered summarization, Question answering on search results, PDF content analysis

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription - Basic | $7.99 | per month |
| Monthly Subscription-Advanced | $12.99 | per month |
| Yearly Subscription - Basic | $39.99 | per year |
| Yearly Subscription - Advanced | $44.99 | per year |
| Full Access to Mac + iOS | $49.99 | per year |
| Cross Platform + Healthcare | $74.99 | per year |
| iSearch Science,iSearch Biomed | $99.99 | per year |
| Purchase Healthcare API | $24.99 | one-time |


## Frequently asked questions

### Is Integumentary System Quizzes free?

Integumentary System Quizzes costs $2.99, with no in-app purchases.

### Is iSearch Science free?

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

### Do Integumentary System Quizzes or iSearch Science have ads?

Neither Integumentary System Quizzes nor iSearch Science shows ads.

### Which is updated more often, Integumentary System Quizzes or iSearch Science?

Integumentary System Quizzes ships an update every 43 months, and iSearch Science every 3 weeks. Most recently, Integumentary System Quizzes was updated on September 11, 2026 and iSearch Science 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.*