AppMarketSpy › Utilities › Tankmark – Aquarium Water Log
Tankmark – Aquarium Water Log
Reef & planted water test log
Crusadi LLC · Utilities
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+0new ratings, last 7 days
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🔒 Rating history23 days of daily rating and rating countGet Pro access
App info
- Developer
- Crusadi LLC
- Category
- Utilities, Lifestyle
- Released
- Sep 29, 2026
- Version
- 1.3 (Oct 14, 2026)
- Price
- Free
- Size
- 1.5 MB
- Requires
- iOS 17.0
- Age rating
- 4+
- Languages
- English
In-app purchases
| Tankmark Pro | $12.99 |
Current prices, App Store US.
🔒 Price history4 snapshots: when prices changed and new plans appearedGet Pro access
About Tankmark – Aquarium Water Log
Unlimited readings. No monthly cap. No subscription. One purchase and it's yours. CSV in and out, so your log is never locked in an app. Tankmark is a water-parameter notebook for aquarium keepers. Log a test in seconds, see the trend, get a reminder, export everything. LOG IN SECONDS One sheet, numeric keypad, your parameters in your order. Skip anything you didn't test. Date defaults to now. YOUR BANDS, YOUR CALL Set a target range per parameter, or don't. The chart shades your band and colours the latest value in or out of it. Tankmark never tells you your water is "safe" or "dangerous" and never calculates a dose. It's a notebook, not a verdict. SEE THE TREND Latest value and sparkline for every parameter. Tap for the full chart with 7, 30, 90-day and all-time ranges. Water changes, doses, filter changes and new livestock show as markers on the chart, so you can see what changed…
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