Comparison

Pascal vs Sift

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

Head to head
About

Pascal

This app offers a powerful 3-in-1 calculator experience, combining scientific, graphing, and programmer functionalities. The scientific calculator is free, while graphing and programmer modes require an in-app purchase, with trials available for testing.

Highlights
  • Scientific calculator (degree, radian, gradian modes)
  • RPN mode
  • Graphing calculator with smart tape and adaptive sampling
  • Programmer calculator (8, 16, 32, 64-bit bitwise)
  • Multiple numeral systems (binary, octal, decimal, hex)
  • Unicode and ASCII character encoding
Features
Read full description

Pascal (formerly Calculator³) is a professional-grade 3-in-1 scientific, graphing and programmer calculator. Scientific Calculator¹ - Supports degree, radian and gradian modes - Decimal factorials - Modulo operator - Permutations (nPr) and combinations (nCr) - Standard memory functions - RPN mode Graphing Calculator² - Includes all functions the scientific calculator offers - TI-like design - Perform calculations on a smart tape (i.e. no need to close parenthesis, multiply out brackets, real-time syntax highlighting) - Plot graphs using adaptive sampling algorithm to generate precise results - Show or hide roots/intersections and trace values Programmer Calculator³ - Supports 8, 16, 32, and 64-bit bitwise calculations - Binary (base-2), octal (base-8), decimal (base-10), and hexadecimal (base-16) numeral systems too - Unicode (UTF-16) and ASCII character encoding - A binary table that shows you in real time the binary representation of the current operand - RPN mode

About

Sift

Features
Read full description

Sift is your read-later app for links you want to come back to. Save anything from any app in one tap — no switching, no friction. HOW IT WORKS 1. Save — Hit the share button in any app and Sift captures the link instantly. A subtle toast confirms it's saved. No app switch required. 2. Browse — Your saved links appear as rich preview cards on the home screen. See the title, excerpt, and image at a glance. 3. Sift — Work through your backlog one card at a time. Archive the keepers, delete the rest, or leave it for later. 4. Archive — Everything you've archived, organized by tag. Filter by tag and open links in the built-in browser. KEY FEATURES • Instant save — Share Sheet integration with no app switching • Rich previews — Bento-style cards with title, excerpt, and image • Tags — Label links and filter your archive with one tap • Sift mode — Period filter (Today / This Week / All) to clear your backlog fast • In-app browser — Read without ever leaving the app • Fully offline — Local-only SQLite, no server, no account • X (Twitter) & Threads — Full post text and images extracted automatically Your data lives on your device. No account. No cloud. No tracking.

Screenshots

Pascal3 screens
Sift3 screens

Verdict

The call

The clearest difference is price: Sift at Free against Pascal's $2.99. Sift also leads on in-app purchases (none vs 3) and iOS requirement (15.1 vs 17.6). Pascal's advantage is ads (none vs shown) and update cadence (every 2 weeks vs monthly). On 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

Sift is free to download; Pascal costs $2.99 up front. Pascal sells 3 one-off in-app purchases. Sift asks for nothing beyond the download.

UpkeepUpdate frequency

Pascal ships an update every 2 weeks, Sift monthly. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

Scorecard5 real differences · 5 level
Pascal versus Sift: the parameters behind the verdict, then further details
ParameterPascalSift
Price$2.99Free — better
Rating4.0 (23 ratings) — better—
Positive reviews68.5% of reviews—
Number of ratings23 — better—
Update frequencyEvery 2 weeks — betterMonthly
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS17.615.1 — better
Further details — not scored
Size3 MB33 MB
Age rating4+17+
DeveloperAndrew WeiSunghwan Shin

Bugs and requests

Pascal

Reported bugs

12 issues
  • Crashes after updates
  • Premium features reverted to basic
  • Cannot enter numbers with iPad Magic Keyboard
  • RPN logic not selectable
  • Key response slow or nonexistent on watch
Show 7 more
  • Lost programming calculator after update
  • App crashes when typing '='
  • App crashes immediately upon opening
  • Fonts are blurry on iPhone 6
  • Bug with exponentiation (adds random digit 2)
  • Cannot swipe to change calculator modes
  • Making a number negative results in incorrect value

Requested features

12 requests
  • Add RPN to Apple Watch app
  • Improve iPad Magic Keyboard support
  • Make themes free for all users
  • Add a backspace button to Apple Watch app
  • Add Arabic language support
Show 7 more
  • Change app icon for better recognition
  • Option to disable or change click sounds
  • Improve navigation for editing equations
  • Make graph view full screen
  • Add polar graph instructions or functionality
  • Add a tape for DEG mode
  • Add a widget for iOS 8

Sift

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Pascal

One-time3
  • Theme Pack$0.99
  • Graphing Calculator$1.99
  • Programmer Calculator$1.99
None

Sift

No in-app purchases

Questions

Is Pascal free?
Pascal costs $2.99, and also offers in-app purchases.
Is Sift free?
Sift is free to download, with no in-app purchases.
Do Pascal or Sift have ads?
Sift shows ads; Pascal does not.
Which is updated more often, Pascal or Sift?
Pascal ships an update every 2 weeks, and Sift monthly. Most recently, Pascal was updated on October 29, 2026 and Sift on October 25, 2026.

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