Comparison

Serum Osmolality Calculator vs Velocify

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

Head to head
About

Serum Osmolality Calculator

Features
Read full description

Serum Osmolality Calculator. Quick and easy to use Osmolality calculator. Enter required data to get the result: Sodium: mmol/L or mEq/L Glucose: mg\dL or mmol/L BUN: mg\dL or mmol/L No fuss calculator. It does what it says on the tin.

About

Velocify

Features
Read full description

Velocify turns your iPhone into a GPS speedometer and a 0-60 / 0-100 timer, with a HUD mode that projects your speed onto the windshield. HUD MODE Place your iPhone on the dashboard and read your speed reflected on the windshield, without looking down. Mirror and rotate the display to fit your car. SPEED BANDS Choose your own speed ranges and colors: green, yellow, orange, red and more. The speedometer and the HUD change color as you drive, so you know at a glance when you're going too fast. ACCELERATION TIMES Measure 0-60 mph, 0-100 km/h or up to 5 custom targets from a standing start. Times are calculated from each GPS reading and interpolated between readings for precise results. SHARE YOUR RESULTS Turn your best time into an image ready for Instagram, WhatsApp or your car group. ALSO β€’ Real-time speed, max speed and trip average β€’ km/h or mph β€’ Screen stays on while you drive β€’ No account, no ads, no tracking β€’ Available in English, Spanish, French, German, Italian and Portuguese Always follow traffic laws. Only measure acceleration on closed tracks or where it is safe and legal.

Screenshots

Serum Osmolality Calculator4 screens
Velocify4 screens

Verdict

The call

The clearest difference is update cadence: Velocify at fortnightly against Serum Osmolality Calculator's every 5 months. Serum Osmolality Calculator's advantage is device support (3 vs 1) and iOS requirement (12.1 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Serum Osmolality Calculator ships an update every 5 months, Velocify fortnightly. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

Scorecard3 real differences Β· 3 level
Serum Osmolality Calculator versus Velocify: the parameters behind the verdict, then further details
ParameterSerum Osmolality CalculatorVelocify
PriceFreeFree
Update frequencyEvery 5 monthsFortnightly β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod β€” betteriPhone
Requires iOS12.1 β€” better18.0
Further details β€” not scored
Size14 MB2 MB
Age rating4+4+
DeveloperKrzysztof GwiazdaJuan Rodriguez

In-app purchases

None

Serum Osmolality Calculator

No in-app purchases

None

Velocify

No in-app purchases

Questions

Is Serum Osmolality Calculator free?
Serum Osmolality Calculator is free to download, with no in-app purchases.
Is Velocify free?
Velocify is free to download, with no in-app purchases.
Do Serum Osmolality Calculator or Velocify have ads?
Neither Serum Osmolality Calculator nor Velocify shows ads.
Which is updated more often, Serum Osmolality Calculator or Velocify?
Serum Osmolality Calculator ships an update every 5 months, and Velocify fortnightly. Most recently, Serum Osmolality Calculator was updated on October 25, 2026 and Velocify on October 31, 2026.

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