# Complex RPN Calculator vs TipDiv Tip Calculator

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.

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

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.

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.

## The numbers

| Metric | Complex RPN Calculator | TipDiv Tip Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (22 ratings)](https://appshunter.io/ios/app/complex-rpn-calculator/id291826330/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tipdiv-tip-calculator/id6749339982/reviews)** |
| Number of ratings | **22** | 1 |
| Positive reviews | 51.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 2 MB |
| Requires iOS | **16.4** | 18.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Coddington](https://appshunter.io/developer/291826333) | [Vincent Verdugo](https://appshunter.io/developer/1830112087) |

## What reviewers say

### Complex RPN Calculator

[App page](https://appshunter.io/ios/app/complex-rpn-calculator/id291826330)

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:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- ✅ Great RPN functionality
- ✨ Complex number support
- 🆓 Free to use
- 🚫 No ads or in-app purchases
- 💻 Works on macOS

**What reviewers complain about**

- 🎨 SwiftUI design is ugly
- 🐌 Slow keyboard response
- 🖱️ Clunky operation
- 📉 Complex number operations limited
- ⚠️ Broken on newer iOS versions (historically)

**Reported bugs**

- 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)

**Requested features**

- Turn off key click sound
- Customize number display
- See the stack
- Fix slow entry response
- Fix imaginary number calculation (X^3)


### TipDiv Tip Calculator

[App page](https://appshunter.io/ios/app/tipdiv-tip-calculator/id6749339982)

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:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Mode | $0.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*