Comparison

Reef.Tools vs WetMath

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Reef.Tools

This app simplifies reef tank maintenance with science-backed tools. It offers a precision dosing calculator for over 30 elements, customizable schedules, and insights into water chemistry. Compare your tank's parameters to natural ocean values.

Highlights
  • Precision dosing calculator for 30+ elements
  • Customizable dosing schedules
  • Reef chemistry insights
  • Support for multiple brands and custom targets
  • Comparison to natural ocean parameters
Features
Read full description

Reef.Tools: Simplify reef-keeping, whether you're a novice or a seasoned aquarist. Maintain a thriving reef tank with ease using science-backed tools and insights. Key Features: Precision Dosing Calculator: Accurately dose 30+ elements with support for multiple brands and safe reference levels. Comprehensive Schedules: View day-to-day dosing plans and customize as needed. Chemistry Insights: Discover the importance, risks, and roles of each element in your reef. Customizable Preferences: Use your preferred products, set custom targets, or exclude elements you don’t dose. Ocean References: Compare your tank’s parameters to natural seawater values from locations like the Red Sea and Fiji. Built by reefers, for reefers, Reef.Tools removes the guesswork, letting you focus on what matters most: a thriving, vibrant reef. Your reef. Your rules. Simplified.

About

WetMath

Features
Read full description

Stop guessing and start measuring. WetMath is the essential tool for freshwater and reef tank hobbyists who demand precision. Whether you’re aquascaping a new build or maintaining a delicate coral reef, WetMath provides the exact calculations you need to succeed. +1 ## Why WetMath? Built for Reefers & Aquarists: Specialized tools for salt mix adjustments, dosing, and flow rates. Simplified Planning: Calculate tank volume, substrate weight, and heater requirements in seconds. Save Money: Estimate your power costs and evaporation loss to optimize your setup. Privacy First: No accounts. No cloud. No tracking. Your data stays on your device. ## Essential Hobbyist Tools: Volume & Weight: Exact water and glass weight calculations for safety. Dosing & Chemistry: Salt mix adjustments (SG) and water weight conversions. Equipment Optimization: Pump flow, turnover rates, and heating/cooling needs. Substrate Calculator: Determine exactly how much sand or gravel you need. Operational Math: Evaporation estimators and power cost calculators. ## Universal Support Full support for both US Customary and Metric units. Designed for efficiency so you can spend less time on math and more time enjoying your aquatic life. Privacy Here is what we collect and why: App performance data: device type, OS version, app version, and coarse location derived from public IP address. This helps us understand where the app is being used, which devices are in use, and which app versions are active. This data is retained for up to 90 days on servers we control. Google Firebase Analytics: anonymized usage data, including screen views, used to understand which features are used and how often. Google Mobile Ads: the free version of the app displays banner ads. If tracking is disabled, ads may be less relevant. If tracking is allowed, ads may be more relevant. WireStix Pro removes ads. Support contact information: if you contact support, you may provide your name and email address so we can reply. We do not use support emails for tracking. Support emails are deleted when no longer needed, or within 2 years. Safety We use analytics and operational data to detect abuse, scraping, misuse, and other activity that could interfere with the app or our systems.

Screenshots

Reef.Tools4 screens
WetMath4 screens

Verdict

The call

The clearest difference is in-app purchases: Reef.Tools at none against WetMath's 2. Reef.Tools also leads on ads (none vs shown) and update cadence (daily vs weekly). On price, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. WetMath sells 2 one-off in-app purchases. Reef.Tools asks for nothing beyond the download.

UpkeepUpdate frequency

Reef.Tools ships an update daily, WetMath weekly. The most recent releases landed on June 7, 2026 and August 11, 2026 respectively.

Scorecard3 real differences · 7 level
Reef.Tools versus WetMath: the parameters behind the verdict, then further details
ParameterReef.ToolsWetMath
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyDaily — betterWeekly
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.1 — better15.6
Further details — not scored
Size32 MB47 MB
Age rating4+4+
DeveloperIvena LLCNanoHawk

In-app purchases

None

Reef.Tools

No in-app purchases

2 purchases

WetMath

One-time2
  • WetMath Pro Unlock$0.99
  • WetMath™ Pro Unlock$9.99

Questions

Is Reef.Tools free?
Reef.Tools is free to download, with no in-app purchases.
Is WetMath free?
WetMath is free to download, with in-app purchases available.
Do Reef.Tools or WetMath have ads?
WetMath shows ads; Reef.Tools does not.
Which is updated more often, Reef.Tools or WetMath?
Reef.Tools ships an update daily, and WetMath weekly. Most recently, Reef.Tools was updated on June 7, 2026 and WetMath on August 11, 2026.

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