# ExamHub vs Organic Chemistry Conversions

The clearest difference is ads: ExamHub at none against Organic Chemistry Conversions's shown. ExamHub also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. ExamHub sells 2 in-app purchases, starting at $2.99 per month and Organic Chemistry Conversions sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ExamHub ships an update every 4 months, Organic Chemistry Conversions every 2 months. The most recent releases landed on September 5, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | ExamHub | Organic Chemistry Conversions |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 71 MB | 572 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [FONIX Software Solutions PVT LTD](https://appshunter.io/developer/1567751665) | [Isuru Lakmal](https://appshunter.io/developer/1825451258) |

## What reviewers say

### ExamHub

[App page](https://appshunter.io/ios/app/examhub/id1567751663)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $2.99 | per month |
| Annual | $26.99 | per year |


### Organic Chemistry Conversions

[App page](https://appshunter.io/ios/app/organic-chemistry-conversions/id6748886006)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30% off special offer | $3.99 | one-time |
| 10% OFF special offer | $4.99 | one-time |
| Anniversary offer | $4.99 | one-time |
| Organic Premium Question Pack | $5.99 | one-time |


## Frequently asked questions

### Is ExamHub free?

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

### Is Organic Chemistry Conversions free?

Organic Chemistry Conversions is free to download, with in-app purchases available.

### Do ExamHub or Organic Chemistry Conversions have ads?

Organic Chemistry Conversions shows ads; ExamHub does not.

### Which is updated more often, ExamHub or Organic Chemistry Conversions?

ExamHub ships an update every 4 months, and Organic Chemistry Conversions every 2 months. Most recently, ExamHub was updated on September 5, 2026 and Organic Chemistry Conversions on September 6, 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.*