Comparison

Text Calculator vs Passkeys App

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

Head to head
About

Text Calculator

Enter mathematical formulas as text and get instant results. Review past calculations with a history feature for error checking and reuse. Supports advanced functions and constants, and can email your calculation history.

Highlights
  • Text-based formula input
  • Calculation history
  • Reuse past calculations
  • Email history
  • Advanced functions and constants
  • iPad split screen support
Features
Read full description

This is a full text calculator. Just enter your formula in the text box and tap the '=' button (or 'Return' on the keyboard). It keeps a history of your calculations. This way you can check for typos and errors in your calculations. Features: - Just tap the result or formula in the history to reuse it. - Email the history for backup or further processing - You can use the Google calculator as well (e.g. for unit conversions). - Available functions: sin, cos, tan, asin, acos, atan, sqrt, exp, log, pow, abs, round, ceil, floor, random - Available constants: PI, E, LN2, LN10, LOG2E, LOG10E, SQRT2, SQRT1_2 - iPad split screen support - Support iPhone 6 and 6+

About

Passkeys App

This app offers a secure and simple way to log into your accounts without passwords. It uses biometric authentication like Face ID or Touch ID for quick setup and effortless sign-ins, providing next-generation security and phishing protection.

Highlights
  • Passwordless sign-ins
  • Biometric authentication (Face ID/Touch ID)
  • Encrypted data storage
  • Encrypted backups
  • Cross-device synchronization
  • Phishing-proof security
Features
Read full description

Passkeys is the app that revolutionizes sign-ins for ultimate security and simplicity. Say goodbye to passwords forever! With Passkeys App, creating and using a passkey is as quick and easy as a breeze. Use Face ID or Touch ID for one-step account creation and effortless sign-ins. Features: - Strong, Secure & Private Each Passkey is inherently strong, never guessable, reused, or weak, guaranteeing top-notch protection for your accounts. All data stored in Passkeys App is encrypted, even when stored in iCloud, ensuring that only you can access your data. - Encrypted Backup In Passkeys App, you can create secure encrypted backups, providing peace of mind in case you lose your device or switch to a new one. - Synchronization Across all Devices Passkeys App automatically synchronize your accounts across all Apple devices for seamless access. - Next-Generation Security Built on FIDO Alliance and W3C standards, Passkeys replace traditional passwords with cryptographic key pairs, offering unmatched security. - Phishing-Proof Passkeys are uniquely tied to the app or website they were created for, protecting users from falling victim to fraudulent apps or websites. - And many, many other features! We constantly improve our app, don't hesitate to contact us at support@2stable.com to request a missing feature or an improvement. A subscription is required to add more than 2 accounts and unlock unlimited usage. Links Terms of Service: https://passkeys.2stable.com/terms-of-service/ Privacy: https://passkeys.2stable.com/privacy-policy/

Screenshots

Text Calculator4 screens
Passkeys App4 screens

Verdict

The call

The clearest difference is price: Passkeys App at Free against Text Calculator's $0.99. Passkeys App also leads on rating (4.7 vs 2.0) and review sentiment (87% vs 50%). Text Calculator's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 17.0). On ads and device support 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

Passkeys App is free to download; Text Calculator costs $0.99 up front. Passkeys App sells 3 in-app purchases, starting at $2.99 per 7 days. Text Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Passkeys App holds the better App Store score, 4.7 against 2.0. That said, the two scores are not equally well evidenced: Passkeys App has 973 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of Text Calculator's written reviews are positive against 87% of Passkeys App's.

UpkeepUpdate frequency

Text Calculator ships an update every 18 months, Passkeys App fortnightly. The most recent releases landed on September 21, 2026 and October 2, 2026 respectively.

Scorecard8 real differences · 2 level
Text Calculator versus Passkeys App: the parameters behind the verdict, then further details
ParameterText CalculatorPasskeys App
Price$0.99Free — better
Rating2.0 (3 ratings)4.7 (973 ratings) — better
Positive reviews50.0% of reviews87.4% of reviews — better
Number of ratings3973 — better
Update frequencyEvery 18 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFreemium — better
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS12.0 — better17.0
Further details — not scored
Size1 MB82 MB
Age rating4+4+
DeveloperPiet Jonas2Stable

Customer experience

Text Calculator

All ratings3 ratings
Positive0.0%
Neutral33.3%
Negative66.7%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Passkeys App

All ratings973 ratings
Positive93.1%
Neutral3.5%
Negative3.4%
Written reviews87 reviews
Positive87.4%
Neutral0.0%
Negative12.6%

Bugs and requests

Text Calculator

Not enough reviews yet to summarise bugs or requests.

Passkeys App

Reported bugs

2 issues
  • Login screen freezes
  • Incompatibility with certain apps

Requested features

5 requests
  • Dark mode option
  • More customization settings
  • Additional security features
  • Enhanced password generator
  • Improved mobile app stability

In-app purchases

None

Text Calculator

No in-app purchases

3 purchases

Passkeys App

Subscriptions3
  • Passkeys3 Days trial$2.997 Days
  • Passkeys$5.991 Month
  • Passkeys$19.991 Year

Questions

Is Text Calculator free?
Text Calculator costs $0.99, with no in-app purchases.
Is Passkeys App free?
Passkeys App is free to download, with in-app purchases available.
Which has better reviews, Text Calculator or Passkeys App?
Passkeys App is rated higher. Text Calculator averages 2.0 out of 5 from 3 ratings, while Passkeys App averages 4.7 from 973 ratings.
Do Text Calculator or Passkeys App have ads?
Neither Text Calculator nor Passkeys App shows ads.
Which is updated more often, Text Calculator or Passkeys App?
Text Calculator ships an update every 18 months, and Passkeys App fortnightly. Most recently, Text Calculator was updated on September 21, 2026 and Passkeys App on October 2, 2026.

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