# Clarity vs P.R.O.

The clearest difference is update cadence: P.R.O. at every 6 days against Clarity's every 2 weeks. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Clarity sells 2 in-app purchases, starting at $2.99 per month and P.R.O. sells 6 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Clarity against 5.0 for P.R.O.. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Clarity ships an update every 2 weeks, P.R.O. every 6 days. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Clarity | P.R.O. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/clarity-caffeine-tracker/id6748916921/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/pro/id6749865568/reviews) |
| Number of ratings | **2** | 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 6 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 25 MB | 130 MB |
| Requires iOS | **18.0** | 18.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Nexus Nexus](https://appshunter.io/developer/1826114678) | [HAOTONG TECHNOLOGY (HK) CO., LIMITED](https://appshunter.io/developer/1876779190) |

## What reviewers say

### Clarity

[App page](https://appshunter.io/ios/app/clarity-caffeine-tracker/id6748916921)

This app helps you understand the impact of caffeine on your sleep, energy, and focus. Log your intake quickly and visualize how caffeine's half-life affects your daily cycles and nighttime rest.

**Highlights:** Fast caffeine logging, Caffeine half-life tracking, Sleep and recovery insights, Focus and energy analysis, Daily and weekly insights

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Clarity Plus - Monthly | $2.99 | per month |
| Clarity Plus - Yearly | $19.99 | per year |


### P.R.O.

[App page](https://appshunter.io/ios/app/pro/id6749865568)

This AI-powered fitness app analyzes your Apple Health data to provide clear insights, visual reports, and personalized training guidance. Understand your performance, spot trends, and make smarter decisions to improve your fitness across multiple sports.

**Highlights:** AI-powered fitness insights, Visual reports with charts and diagrams, Personalized recommendations, Multi-sport tracking, Long-term performance trends, Goal and progress tracking, Streak tracking and achievements

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (1 month) | $2.99 | per month |
| Pro+ (1 month) | $3.99 | per month |
| Premium (1 month) | $5.99 | per month |
| Pro | $29.99 | per year |
| Pro+ | $39.99 | per year |
| Premium | $59.99 | per year |


## Frequently asked questions

### Is Clarity free?

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

### Is P.R.O. free?

P.R.O. is free to download, with in-app purchases available.

### Which has better reviews, Clarity or P.R.O.?

Clarity and P.R.O. are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Clarity or P.R.O. have ads?

Neither Clarity nor P.R.O. shows ads.

### Which is updated more often, Clarity or P.R.O.?

Clarity ships an update every 2 weeks, and P.R.O. every 6 days. Most recently, Clarity was updated on October 16, 2026 and P.R.O. on October 8, 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.*