Comparison

Diver Tools vs Formula Calculator #

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

Head to head
About

Diver Tools

Features
Read full description

Experience the ultimate dive companion with Dive Genius! Designed for rebreather and technical divers, this app revolutionizes the way you prepare for your dives, ensuring safety and convenience every step of the way. Customizable Checklists: Say goodbye to paper-based checklists! Dive Genius allows you to create personalized checklists tailored to your specific needs. From equipment packing to dive plans, you can easily organize and manage all the essential details in one place. Now you control the order of checklist displays! No more relying on memory or risking incomplete preparations. Offline Calculations: Dive sites without internet access? No problem! Dive Genius comes equipped with a built-in calculator, empowering you to perform essential dive calculations even without an internet connection. From gas mixes to decompression stops, have all the vital calculations at your fingertips. Safety and Equipment Confidence: Ensure your dive equipment meets the highest standards with Dive Genius. Set your personal limits and rely on the app's checklists to avoid compromising situations with marginal equipment. Dive with confidence, knowing that you are fully prepared and equipped for a safe and enjoyable dive. Historical Cell Readings: For rebreather divers, Dive Genius offers unparalleled insights. Keep track of your rebreather cells' performance by reviewing the last four historical readings plus store vendor and lot details. Detect any unexpected changes and make informed decisions based on accurate data. Stay ahead of the curve and dive with peace of mind. Now with the ability to store 3, 4, 5 or 6 cells! Cave Conditions: See and report on the latest conditions in the caves! Don't miss out on the must-have app for tech divers and rebreather enthusiasts. Experience the convenience, safety, and reliability of Dive Genius today!

About

Formula Calculator #

Perform calculations with a vast library of built-in formulas or create your own. Save and sync custom formulas to the cloud for easy access across devices. Includes a comprehensive scientific calculator.

Highlights
  • Extensive built-in calculation formulas
  • Create and save custom formulas
  • Cloud synchronization for custom formulas
  • Share custom formulas with others
  • Comprehensive scientific calculator
Features
Read full description

The formula calculator comes with a wide range of built-in calculation formulas, allowing you to complete calculations simply by entering the required parameters. It also features built-in custom formulas, catering to individual needs. Once a custom formula is set up, you only need to input the parameters during your next calculation to quickly obtain the results, thereby improving efficiency. Moreover, you can share your custom formulas with friends or other devices for convenient calculations. After logging in with your account, you can synchronize your custom formulas to the cloud to prevent any loss. Additionally, it includes a comprehensive scientific calculator that meets various calculation needs.

Screenshots

Diver Tools4 screens
Formula Calculator #4 screens

Verdict

The call

The clearest difference is price: Formula Calculator # at Free against Diver Tools's $9.99. Formula Calculator # also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.0). Diver Tools's advantage is in-app purchases (none vs 4). On update cadence and ads 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

Formula Calculator # is free to download; Diver Tools costs $9.99 up front. Formula Calculator # sells 4 one-off in-app purchases. Diver Tools asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on September 8, 2026 and September 14, 2026 respectively.

Scorecard4 real differences · 6 level
Diver Tools versus Formula Calculator #: the parameters behind the verdict, then further details
ParameterDiver ToolsFormula Calculator #
Price$9.99Free — better
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 5 weeksEvery 5 weeks
AdsYesYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.012.0 — better
Further details — not scored
Size3 MB67 MB
Age rating4+4+
DeveloperMichael Gibby威 刘

In-app purchases

None

Diver Tools

No in-app purchases

4 purchases

Formula Calculator #

One-time4
  • 1 month subscription$1.49
  • 3 months subscription$2.49
  • 6 months subscription$3.49
Show 1 more
  • 1 year subscription$4.49

Questions

Is Diver Tools free?
Diver Tools costs $9.99, with no in-app purchases.
Is Formula Calculator # free?
Formula Calculator # is free to download, with in-app purchases available.
Do Diver Tools or Formula Calculator # have ads?
Both Diver Tools and Formula Calculator # show ads.
Which is updated more often, Diver Tools or Formula Calculator #?
Diver Tools ships an update every 5 weeks, and Formula Calculator # every 5 weeks. Most recently, Diver Tools was updated on September 8, 2026 and Formula Calculator # on September 14, 2026.

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