Comparison

Complex RPN Calculator vs TipDiv Tip Calculator

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

Head to head
About

Complex RPN Calculator

This scientific calculator utilizes a four-level stack and natively handles complex numbers. It allows users to input and view numbers in both polar and rectangular formats, remembering its state and offering 10 memory locations.

Highlights
  • Complex number support
  • Four-level stack
  • Polar and rectangular formats
  • State persistence
  • 10 memory locations
  • Scientific calculations
Features
Read full description

Complex RPN Calculator is a scientific RPN calculator with a four stack whose native number is complex. You can view and enter numbers in both polar and rectangular formats. Complex RPN remembers its state between usages and has 10 memory locations.

About

TipDiv Tip Calculator

Effortlessly calculate tips and split bills with this intuitive utility. Features preset and custom percentages, bill splitting for any number of people, and an advanced itemized mode for complex orders. Works offline and prioritizes user privacy.

Highlights
  • Instant tip calculations with preset percentages
  • Custom tip slider
  • Split bills among any number of people
  • Advanced itemized mode for complex orders
  • Offline functionality
  • Privacy-focused, no tracking
  • Share calculations
Features
Read full description

TIPDIV - The Ultimate Tip Calculator & Bill Splitter Never struggle with tip calculations again! TipDiv makes splitting bills and calculating gratuities effortless, whether you're dining solo or with a group. LIGHTNING FAST CALCULATIONS Instant tip calculations with preset percentages (5%, 10%, 15%, 18%, 20%) Custom tip slider for any percentage (0-50%) Round to nearest dollar for clean totals Real-time updates as you type SMART BILL SPLITTING Split bills among any number of people (1-99) Automatic per-person calculations Shows both tip per person and total per person Perfect for group dinners, dates, and business meals ADVANCED ITEMIZED MODE (Premium Feature) Add individual menu items separately Perfect for complex group orders Edit and modify any item amount Surgical precision for business expenses KEY FEATURES Clean, intuitive interface with dark theme Responsive design works on all iPhone sizes Share calculations via text, email, or social media No ads, no tracking, completely private Works 100% offline - no internet required PERFECT FOR: Restaurant dining and takeout Bar tabs and happy hour Coffee shop visits Food delivery services Group dining events Business meal expenses Date nights Travel and vacation dining WHY CHOOSE TIPDIV? Unlike other tip calculators, TipDiv focuses on speed and simplicity. Our adaptive interface scales perfectly to your device, and calculations happen instantly as you type. The advanced itemized mode (available as an upgrade) provides restaurant-quality precision for complex bills. PRIVACY FIRST Your calculations stay on your device. No data collection, no account required, no internet connection needed. TipDiv works completely offline and respects your privacy. OPTIMIZED FOR iOS Built specifically for iPhone with native SwiftUI, TipDiv feels right at home on your device. Smooth animations, responsive touches, and beautiful design make every calculation a pleasure. Download TipDiv today and never worry about tip calculations again!

Screenshots

Complex RPN Calculator4 screens
TipDiv Tip Calculator4 screens

Verdict

The call

The clearest difference is review sentiment: TipDiv Tip Calculator at 100% against Complex RPN Calculator's 52%. TipDiv Tip Calculator also leads on rating (5.0 vs 3.8) and update cadence (every 3 days vs every 5 months). Complex RPN Calculator's advantage is in-app purchases (none vs 1) and ratings volume (22 vs 1). On price, 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

Both are free to download. TipDiv Tip Calculator sells 1 one-off in-app purchase. Complex RPN Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

TipDiv Tip Calculator holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Complex RPN Calculator has 22 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 52% of Complex RPN Calculator's written reviews are positive against 100% of TipDiv Tip Calculator's.

UpkeepUpdate frequency

Complex RPN Calculator ships an update every 5 months, TipDiv Tip Calculator every 3 days. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

Scorecard7 real differences · 3 level
Complex RPN Calculator versus TipDiv Tip Calculator: the parameters behind the verdict, then further details
ParameterComplex RPN CalculatorTipDiv Tip Calculator
PriceFreeFree
Rating3.8 (22 ratings)5.0 (1 ratings) — better
Positive reviews51.7% of reviews100.0% of reviews — better
Number of ratings22 — better1
Update frequencyEvery 5 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 — better18.5
Further details — not scored
Size1 MB2 MB
Age rating4+4+
DeveloperJohn CoddingtonVincent Verdugo

Customer experience

Complex RPN Calculator

All ratings22 ratings
Positive72.7%
Neutral0.0%
Negative27.3%
Written reviews87 reviews
Positive51.7%
Neutral8.0%
Negative40.2%

TipDiv Tip Calculator

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Complex RPN Calculator

Reported bugs

6 issues
  • Mutes other apps when used
  • Slow keyboard response after update
  • X^3 calculation incorrect for large imaginary numbers
  • App crashes on opening/button press (historical iOS 9 issues)
  • App starts upside down in landscape on iPad (historical iOS 8 issue)
Show 1 more
  • Unreadable fonts on iPad (historical version 1.2 issue)

Requested features

24 requests
  • Turn off key click sound
  • Customize number display
  • See the stack
  • Fix slow entry response
  • Fix imaginary number calculation (X^3)
Show 19 more
  • Improve SwiftUI design (less whitespace)
  • Show all stack levels
  • Add angle function
  • Add magnitude function
  • Add 'Clear X' button
  • Make RAD/DEG toggle button
  • Single button for Sci/Eng/Fix/Raw modes
  • Add '//' (parallel) function
  • Add 'Module' button
  • Change 'i' to 'j' for imaginary part
  • Show stack levels
  • Add log2 function
  • Add logGamma function
  • Smaller buttons
  • Add complex conjugate button
  • Add real part button
  • Add imaginary part button
  • Add modulo function
  • Make app start faster

TipDiv Tip Calculator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Complex RPN Calculator

No in-app purchases

1 purchases

TipDiv Tip Calculator

One-time1
  • Advanced Mode$0.99

Questions

Is Complex RPN Calculator free?
Complex RPN Calculator is free to download, with no in-app purchases.
Is TipDiv Tip Calculator free?
TipDiv Tip Calculator is free to download, with in-app purchases available.
Which has better reviews, Complex RPN Calculator or TipDiv Tip Calculator?
TipDiv Tip Calculator is rated higher. Complex RPN Calculator averages 3.8 out of 5 from 22 ratings, while TipDiv Tip Calculator averages 5.0 from 1 ratings.
Do Complex RPN Calculator or TipDiv Tip Calculator have ads?
Neither Complex RPN Calculator nor TipDiv Tip Calculator shows ads.
Which is updated more often, Complex RPN Calculator or TipDiv Tip Calculator?
Complex RPN Calculator ships an update every 5 months, and TipDiv Tip Calculator every 3 days. Most recently, Complex RPN Calculator was updated on October 14, 2026 and TipDiv Tip Calculator on October 2, 2026.

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