# PKURunner vs Water Tracker CoffeeWatch

The clearest difference is review sentiment: Water Tracker CoffeeWatch at 75% against PKURunner's 10%. Water Tracker CoffeeWatch also leads on rating (4.6 vs 3.0) and update cadence (every 5 days vs every 2 weeks). PKURunner's advantage is in-app purchases (none vs 3) and iOS requirement (11.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Water Tracker CoffeeWatch sells 3 in-app purchases, starting at $1.99 per 7 days. PKURunner asks for nothing beyond the download.

Water Tracker CoffeeWatch holds the better App Store score, 4.6 against 3.0. Both are backed by a comparable volume of ratings — 2 and 7 respectively. Written reviews point the same way: 10% of PKURunner's written reviews are positive against 75% of Water Tracker CoffeeWatch's.

PKURunner ships an update every 2 weeks, Water Tracker CoffeeWatch every 5 days. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | PKURunner | Water Tracker CoffeeWatch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/pkurunner/id1185284853/reviews) | **[4.6 (7 ratings)](https://appshunter.io/ios/app/water-tracker-coffeewatch/id6748468232/reviews)** |
| Number of ratings | 2 | **7** |
| Positive reviews | 9.5% of reviews | **75.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 35 MB | 81 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [嵩 高](https://appshunter.io/developer/1185284852) | [Shutong Technology](https://appshunter.io/developer/1803950076) |

## What reviewers say

### PKURunner

[App page](https://appshunter.io/ios/app/pkurunner/id1185284853)

This non-commercial tool helps students track their running mileage and view exercise progress to meet physical education course requirements. It's developed by students for students to facilitate running check-ins.

**Highlights:** Track running mileage, View exercise progress, Complete PE course check-ins, Non-commercial student tool

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

**In-app purchases:** none


### Water Tracker CoffeeWatch

[App page](https://appshunter.io/ios/app/water-tracker-coffeewatch/id6748468232)

Monitor your caffeine intake and understand its impact on your body. Visualize your 24-hour metabolism curve and receive personalized insights to optimize focus and sleep.

**Highlights:** Real-time caffeine monitoring, 24-hour metabolism curve, One-tap drink logging, Caffeine trends and history, Sleep-friendly reminders, Apple Watch integration, Widgets and Lock Screen info

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Caffeine Tracker Premium Week | $1.99 | per 7 days |
| Coffee Watch - Premium Year | $29.99 | per year |
| Caffeine Tracker LifetimeMembership | $39.99 | one-time |


## Frequently asked questions

### Is PKURunner free?

PKURunner is free to download, with no in-app purchases.

### Is Water Tracker CoffeeWatch free?

Water Tracker CoffeeWatch is free to download, with in-app purchases available.

### Which has better reviews, PKURunner or Water Tracker CoffeeWatch?

Water Tracker CoffeeWatch is rated higher. PKURunner averages 3.0 out of 5 from 2 ratings, while Water Tracker CoffeeWatch averages 4.6 from 7 ratings.

### Do PKURunner or Water Tracker CoffeeWatch have ads?

Neither PKURunner nor Water Tracker CoffeeWatch shows ads.

### Which is updated more often, PKURunner or Water Tracker CoffeeWatch?

PKURunner ships an update every 2 weeks, and Water Tracker CoffeeWatch every 5 days. Most recently, PKURunner was updated on October 5, 2026 and Water Tracker CoffeeWatch on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*