Comparison

SafeKey vs WellCalc

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

Head to head
About

SafeKey

Features
Read full description

EN Forget your passwords? Tired of resetting them constantly? SafeKey is the ultimate password manager that helps you store, organize, and protect your login credentials securely on your iPhone and iPad. Designed with security and simplicity in mind, SafeKey ensures that you are the only one who has access to your data. WHY SAFEKEY Bank-grade AES-256 encryption โ€” everything is encrypted on your device. Your data stays with you. Unlock only with Face ID, Touch ID, or your private PIN. Clean, modern design that's fast and easy to use. KEY FEATURES Secure vault for passwords, logins, and secret notes. Strong password generator โ€” create uncrackable passwords in one tap. Password health check โ€” spot weak and duplicated passwords at a glance. Data breach alerts โ€” find out if a password has appeared in a known leak. Built-in 2FA (TOTP) โ€” store your two-factor codes right next to your logins. Bank cards & wallet โ€” safely keep card numbers and details. Secure file vault โ€” store private documents away from prying eyes. Beautiful themes, light & dark mode, and background styles. Available in 8 languages: English, Vietnamese, Japanese, Korean, French, German, Hindi, Arabic. PRIVACY FIRST SafeKey does not sell your data. Your passwords are encrypted and never leave your device without your permission. Optional encrypted cloud backup is protected by your own Master Key. Download SafeKey today and take control of your digital security. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

WellCalc

Features
Read full description

WellCalc is a field-ready petroleum engineering calculator for drilling, completions, production, reservoir, and well-control work. Keep the operating context beside the math instead of scattering it across screenshots and notes. WORK FROM A FIELD JOB - Save well name, field, measured depth, hole size, mud weight, and preferred unit system. - Reuse that context across guided workflows and calculations. - Keep recent work and saved scenarios organized by job. CALCULATIONS YOU CAN REVIEW - 97 calculations across 16 engineering categories. - Guided Kill Sheet, Cement Requirements, Trip, Hydraulics, and Economics workflows. - Formula source, formula-set version, operating note, expected range, and safety tier where applicable. - Oilfield and metric units with explicit labels and dimensional checks. - Saved favorites, calculation history, notes, and reference tables. - Audit-ready PDF field reports and CSV data export. FREE - One Field Job. - Well Control, Pipe & Annular, Pumps, Mud Engineering, and Unit Conversion categories. WELLCALC PRO - All calculation categories and guided workflows. - Unlimited Field Jobs. - Formula provenance throughout the library. - PDF and CSV history export. Your saved jobs and calculations stay on this device. WellCalc does not use generative AI or send calculations to an AI service. Subscriptions renew automatically unless canceled in your Apple ID settings. Restore an existing purchase from Settings > Restore Purchases. IMPORTANT: WellCalc is a field reference, not an engineering approval. Verify safety-critical outputs against the approved program, current measurements, equipment limits, and company procedures. TERMS OF USE Product Terms of Use: https://www.uncommonweather.com/legal/apps/wellcalc-terms.html Apple Standard Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

SafeKey4 screens
WellCalc4 screens

Verdict

The call

The clearest difference is ads: WellCalc at none against SafeKey's shown. WellCalc also leads on update cadence (weekly vs every 4 months). SafeKey's advantage is iOS requirement (13.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. SafeKey sells 2 in-app purchases, starting at $0.99 per month and WellCalc sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SafeKey ships an update every 4 months, WellCalc weekly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

Scorecard3 real differences ยท 3 level
SafeKey versus WellCalc: the parameters behind the verdict, then further details
ParameterSafeKeyWellCalc
PriceFreeFree
Update frequencyEvery 4 monthsWeekly โ€” better
AdsYesNo โ€” better
In-app purchasesYesYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS13.0 โ€” better18.0
Further details โ€” not scored
Size66 MB13 MB
Age rating4+4+
DeveloperHieu DaoRyan Tinklepaugh

In-app purchases

2 purchases

SafeKey

Subscriptions2
  • Monthly Premium$0.991 Month
  • Yearly Premium$7.991 Year
2 purchases

WellCalc

Subscriptions2
  • WellCalc Pro Monthly$4.991 Month
  • WellCalc Pro Yearly$29.991 Year

Questions

Is SafeKey free?
SafeKey is free to download, with in-app purchases available.
Is WellCalc free?
WellCalc is free to download, with in-app purchases available.
Do SafeKey or WellCalc have ads?
SafeKey shows ads; WellCalc does not.
Which is updated more often, SafeKey or WellCalc?
SafeKey ships an update every 4 months, and WellCalc weekly. Most recently, SafeKey was updated on October 28, 2026 and WellCalc on October 25, 2026.

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