# CLF vs ChemiPro

The clearest difference is update cadence: ChemiPro at weekly against CLF's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CLF sells 3 in-app purchases, starting at $3.99 per month and ChemiPro sells 2 in-app purchases, starting at $2.99 per year. Whichever you choose, the download price is not the number that matters.

CLF ships an update every 2 months, ChemiPro weekly. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | CLF | ChemiPro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 85 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Davy Raitt](https://appshunter.io/developer/1795318281) | [Gentiana Etemi](https://appshunter.io/developer/1883027493) |

## What reviewers say

### CLF

[App page](https://appshunter.io/ios/app/clf-c02-cloud-practitioner/id6746121070)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Yearly | $14.99 | per year |
| Pro Lifetime | $19.99 | one-time |


### ChemiPro

[App page](https://appshunter.io/ios/app/chemipro-chemistry-toolkit/id6760249555)

This app provides comprehensive chemistry learning resources, including explanations, worked examples, formulas, and practice questions. It covers topics from basic particles to organic chemistry, helping users understand the 'why' behind chemical concepts. Features include a periodic table, calculators, and customizable quizzes for effective study.

**Highlights:** Comprehensive chemistry explanations, Worked examples and step-by-step reasoning, Formula and equation tools, Customizable practice quizzes, Periodic table and calculators, Offline study content, Progress tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChemiPro Premium | $2.99 | per year |
| ChemiPro Full Access | $12.99 | one-time |


## Frequently asked questions

### Is CLF free?

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

### Is ChemiPro free?

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

### Do CLF or ChemiPro have ads?

Neither CLF nor ChemiPro shows ads.

### Which is updated more often, CLF or ChemiPro?

CLF ships an update every 2 months, and ChemiPro weekly. Most recently, CLF was updated on October 30, 2026 and ChemiPro on November 5, 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.*