Water Tracker vs Checkstack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Water Tracker
This application helps you establish consistent hydration habits by providing regular reminders to drink water. Its intuitive design simplifies tracking your daily water intake history.
- Regular water drinking reminders
- User-friendly interface
- Track drink history
- Build healthy habits
- Supports multiple devices
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Water Tracker helps you build a healthy drinking habit with gentle reminders and a clear daily log. • Log each glass with a tap — customize your daily goal and glass size • Home Screen widget — check progress without opening the app • Weekly stats and streaks — see how consistent you are • Smart reminders — set the times that fit your day • Edit past records — fix a glass anytime • Clean, modern design with celebration when you hit your goal • Optional one-time purchase to remove ads Stay hydrated, one glass at a time.
Checkstack
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Check off your habits, build streaks, and see every perfect day add up. Checkstack is a calm, simple habit tracker that feels at home on your iPhone. Tap once to complete a habit, watch today's progress bar fill, and keep your streaks going — without accounts, ads, or clutter. TODAY AT A GLANCE • See "3 of 5 done" and a progress bar that fills in each habit's colour • Habits grouped into Morning, Afternoon, Evening and Anytime • Swipe to complete or archive, long-press to reorder • Daily, weekday, weekend or custom schedules • Count habits like "8 glasses of water" with a goal per day PROGRESS THAT MOTIVATES • Perfect days — every habit done — with your current and best run • Trends for the week, month, six months and year • Clear comparisons with the previous period, in plain language • Current and best streak, completion rate and full calendar history • Collect awards at 7, 30, 50, 100 and 365-day streaks EVERYWHERE YOU ARE • Interactive home screen widgets — tick habits off without opening the app • Lock screen widgets • Reminders with a "Mark as Done" button right in the notification • Siri and Shortcuts: "Log Read in Checkstack" • Spotlight search • iCloud sync across your iPhone and iPad MADE YOUR WAY • Pick an icon and colour for every habit, with icons suggested from the name • Light, dark or system appearance, and your choice of week start • Haptics you can turn off PRIVATE BY DESIGN Your habits live on your devices and in your own iCloud account. No accounts, no ads, no analytics, no tracking.
Screenshots
Verdict
The clearest difference is in-app purchases: Checkstack at none against Water Tracker's 1. Checkstack also leads on ads (none vs shown). Water Tracker's advantage is iOS requirement (16.0 vs 26.2). On price, update cadence 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. Water Tracker sells 1 one-off in-app purchase. Checkstack asks for nothing beyond the download.
Water Tracker ships an update every 2 months, Checkstack every 3 months. Both last shipped on October 25, 2026.
| Parameter | Water Tracker | Checkstack |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (19 ratings) — better | — |
| Positive reviews | 64.7% of reviews | — |
| Number of ratings | 19 — better | — |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 16.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 8 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | APPS BAY LIMITED | OcuNecu |
In-app purchases
Water Tracker
- Remove Ads forever$0.99
Checkstack
No in-app purchases









