Cooldown vs SwimZones
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cooldown
This application helps users moderate their alcohol consumption by tracking drinks and setting time intervals between them. It provides insights into drinking pace and session history, aiming to prevent negative consequences like hangovers. It is not intended for medical use or BAC estimation.
- Track drinks on iPhone or Apple Watch
- Set target time between drinks
- View average time per drink
- Review drink history
- Promotes responsible drinking
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Cooldown guides you toward moderation by helping you drink at a reasonable pace. Slowing down each drink can help you avoid embarrassment, hangovers, and blackouts. With Cooldown, you can: - Count each of your drinks, using your iPhone or Apple Watch - Set a target time between drinks - View a running average time per drink, and an average time per completed drink - Review every drink you've had since you started your session This app does NOT give you an estimate of your blood alcohol content (BAC). If you've had anything to drink, DO NOT drive or do anything else that's illegal or dangerous while under the influence. No one involved in the creation of this app is a doctor, and this app shouldn't be used for medical purposes, or as a replacement for treating alcoholism. If you think you have a medical problem, seek help from a medical professional.
SwimZones
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SwimZones is built for swimmers who want to train with heart rate zones using Apple Watch and review their workouts on iPhone. During your swim, the Apple Watch app displays your current heart rate zone in a large, color-coded view that is easy to read during short rests. Configure your maximum heart rate, choose a 3-zone or 6-zone model, set your pool length and let SwimZones calculate your training zones automatically. You can also adjust each zone manually to match your individual training system. After your workout, review your training in the companion iPhone app with a clear workout history, heart rate charts and detailed time spent in each heart rate zone. Workout data is stored in Apple Health and remains available for later analysis. Key features: - Real-time heart rate zone display on Apple Watch - Large color-coded zone number - Companion iPhone app with workout history and analysis - Heart rate charts - Time spent in each heart rate zone - 3-zone and 6-zone training models - Automatic zone calculation - Adjustable heart rate limits - Pool length selection - Apple Health integration - Designed specifically for swimmers No account, no ads, no cloud tracking SwimZones helps you stay focused on your swim while making it easy to understand your training intensity afterwards. The app is intended exclusively for sports training and is not a medical device. It does not provide medical advice, diagnosis or treatment. Heart rate data is used only to display and analyze training zones during swimming workouts.
Screenshots
Verdict
The clearest difference is update cadence: SwimZones at every 10 days against Cooldown's every 14 months. Cooldown's advantage is iOS requirement (14.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Cooldown ships an update every 14 months, SwimZones every 10 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Cooldown | SwimZones |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (7 ratings) — better | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 14 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Requires iOS | 14.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 1 MB | 10 MB |
| Age rating | 17+ | 4+ |
| Developer | Dan Schaub LLC | Sven Schroter |
In-app purchases
Cooldown
No in-app purchases
SwimZones
No in-app purchases









