# Beachcomber H2OCHK vs Big Clock

The clearest difference is price: Beachcomber H2OCHK at Free against Big Clock's $1.99. Beachcomber H2OCHK also leads on ratings volume (7 vs 2) and iOS requirement (12.3 vs 17.0). Big Clock's advantage is rating (5.0 vs 3.9) and ads (none vs shown). On in-app purchases and device support there is nothing between them.

Beachcomber H2OCHK is free to download; Big Clock costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Big Clock holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

Beachcomber H2OCHK ships an update every 6 weeks, Big Clock daily. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Beachcomber H2OCHK | Big Clock |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [3.9 (7 ratings)](https://appshunter.io/ios/app/beachcomber-h2ochk/id1358839104/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/big-clock-overtime/id6813792770/reviews)** |
| Number of ratings | **7** | 2 |
| Positive reviews | 1.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | **Ad-supported** | Paid |
| Size | 34 MB | 2 MB |
| Requires iOS | **12.3** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Digital Concepts of Missouri, Inc.](https://appshunter.io/developer/1159162920) | [DEREK MATTHEW PERRY](https://appshunter.io/developer/6813792772) |

## What reviewers say

### Beachcomber H2OCHK

[App page](https://appshunter.io/ios/app/beachcomber-h2ochk/id1358839104)

Easily manage your hot tub's water chemistry from your smartphone. Analyze test strips, receive personalized treatment advice, and track your water history. This app provides a convenient way to maintain your hot tub's optimal condition.

**Highlights:** Test strip analyzer, Hot tub water testing, Step-by-step treatment recommendations, Water test history and graphs, Access hot tub volume and chemical details

**In-app purchases:** none

**What reviewers like**

- 👍 Great concept/convenience
- 👍 History tracking is cool
- 👍 Can nerd out on chemicals

**What reviewers complain about**

- 🐛 Autofocus doesn't work
- 🐛 Camera won't focus
- 🐛 App crashes frequently
- 🐛 Inaccurate readings
- 🐛 Difficult to scan strip

**Reported bugs**

- Autofocus doesn't work
- Camera won't focus on strip
- App crashes immediately
- App crashes after opening
- App doesn't read the strip

**Requested features**

- Fix autofocus bug
- Update app for newer iPhones
- Improve scanning accuracy
- Refine app for bulletproof reading


### Big Clock

[App page](https://appshunter.io/ios/app/big-clock-overtime/id6813792770)

Track your overtime earnings in real-time with this simple hourly tracker. See your estimated earnings grow by the second, even on your lock screen. Ideal for anyone working by the hour who wants to visualize their extra income.

**Highlights:** Real-time earnings tracking, Customizable overtime multipliers, Lock Screen Live Activity, Big Mode for focused display, Pause and resume clock, Overtime history viewing

**In-app purchases:** none


## Frequently asked questions

### Is Beachcomber H2OCHK free?

Beachcomber H2OCHK is free to download, with no in-app purchases.

### Is Big Clock free?

Big Clock costs $1.99, with no in-app purchases.

### Which has better reviews, Beachcomber H2OCHK or Big Clock?

Big Clock is rated higher. Beachcomber H2OCHK averages 3.9 out of 5 from 7 ratings, while Big Clock averages 5.0 from 2 ratings.

### Do Beachcomber H2OCHK or Big Clock have ads?

Beachcomber H2OCHK shows ads; Big Clock does not.

### Which is updated more often, Beachcomber H2OCHK or Big Clock?

Beachcomber H2OCHK ships an update every 6 weeks, and Big Clock daily. Most recently, Beachcomber H2OCHK was updated on November 2, 2026 and Big Clock on October 31, 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.*