# |RPN| Scientific Calculator vs TimecodeRPN

The clearest difference is update cadence: TimecodeRPN at every 2 days against |RPN| Scientific Calculator's fortnightly. TimecodeRPN also leads on chart position (#200 vs unranked). |RPN| Scientific Calculator's advantage is device support (4 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

|RPN| Scientific Calculator costs $0.99 and TimecodeRPN $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

|RPN| Scientific Calculator ships an update fortnightly, TimecodeRPN every 2 days. The most recent releases landed on September 22, 2026 and June 22, 2026 respectively.

## The numbers

| Metric | |RPN| Scientific Calculator | TimecodeRPN |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/rpn-scientific-calculator/id1069467997/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Paid | — |
| Best chart rank | — | **#200** |
| Size | 2 MB | 19 MB |
| Requires iOS | **16** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bradley Smith](https://appshunter.io/developer/1069467996) | [Denis Leconte](https://appshunter.io/developer/1602768490) |

## What reviewers say

### |RPN| Scientific Calculator

[App page](https://appshunter.io/ios/app/rpn-scientific-calculator/id1069467997)

This calculator app uses Reverse Polish Notation for powerful calculations. It offers customizable color schemes, layouts, and online help, designed for flexibility and usability. All features are unlocked with a one-time purchase.

**Highlights:** Reverse Polish Notation (RPN), Viewable stack, Selectable portrait/landscape layouts, Customizable color schemes, Online visual help, No ads or in-app purchases

**Features:** Vision Pro support

**In-app purchases:** none


### TimecodeRPN

[App page](https://appshunter.io/ios/app/timecoderpn/id6755567328)

**Currently charting:** #200 Top Paid · Utilities (US App Store)

**In-app purchases:** none


## Frequently asked questions

### Is |RPN| Scientific Calculator free?

|RPN| Scientific Calculator costs $0.99, with no in-app purchases.

### Is TimecodeRPN free?

TimecodeRPN costs $0.99, with no in-app purchases.

### Do |RPN| Scientific Calculator or TimecodeRPN have ads?

Neither |RPN| Scientific Calculator nor TimecodeRPN shows ads.

### Which is updated more often, |RPN| Scientific Calculator or TimecodeRPN?

|RPN| Scientific Calculator ships an update fortnightly, and TimecodeRPN every 2 days. Most recently, |RPN| Scientific Calculator was updated on September 22, 2026 and TimecodeRPN on June 22, 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.*