# RPN vs Bit Converter Plus

The clearest difference is review sentiment: RPN at 93% against Bit Converter Plus's 0%. RPN also leads on rating (4.6 vs 1.0) and update cadence (every 3 months vs every 38 months). Bit Converter Plus's advantage is price ($2.99 vs $3.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

RPN costs $3.99 and Bit Converter Plus $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RPN holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: RPN has 17 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 93% of RPN's written reviews are positive against 0% of Bit Converter Plus's.

RPN ships an update every 3 months, Bit Converter Plus every 38 months. The most recent releases landed on September 21, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | RPN | Bit Converter Plus |
| --- | --- | --- |
| Price | $3.99 | **$2.99** |
| Rating | **[4.6 (17 ratings)](https://appshunter.io/ios/app/rpn-67-sd/id1109722386/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/bit-converter-plus/id6444597507/reviews) |
| Number of ratings | **17** | 1 |
| Positive reviews | **92.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 38 months |
| Monetization | Paid | Paid |
| Size | 63 MB | 1 MB |
| Requires iOS | **12.0** | 13 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CuVee Software](https://appshunter.io/developer/424873503) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### RPN

[App page](https://appshunter.io/ios/app/rpn-67-sd/id1109722386)

This app simulates a vintage programmable calculator from the mid-70s, offering enhanced features beyond the original. It allows users to run existing programs, manage virtual cards, and utilize advanced functions for scientific and engineering tasks.

**Highlights:** Virtual program and data cards, Virtual paper tape printer, Database-driven card manager, Create, label, and organize unlimited cards, Share cards via email, AirDrop, Dropbox, Editable program listings, Enhanced features for more program steps and registers

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Bit Converter Plus

[App page](https://appshunter.io/ios/app/bit-converter-plus/id6444597507)

Easily convert between various units of digital information, including bits, bytes, kilobytes, megabytes, and more. The calculator handles conversions for all units and offers flexibility in defining the value of 'K' for different calculation types.

**Highlights:** Converts bits, bytes, KB, MB, GB, TB, PB, EB, ZB, YB, Supports both 1000 and 1024 for 'K' calculations, Explains differences between bits and bytes, Dark Mode support, Offline functionality, Minimal storage space usage

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RPN free?

RPN costs $3.99, with no in-app purchases.

### Is Bit Converter Plus free?

Bit Converter Plus costs $2.99, with no in-app purchases.

### Which has better reviews, RPN or Bit Converter Plus?

RPN is rated higher. RPN averages 4.6 out of 5 from 17 ratings, while Bit Converter Plus averages 1.0 from 1 ratings.

### Do RPN or Bit Converter Plus have ads?

Neither RPN nor Bit Converter Plus shows ads.

### Which is updated more often, RPN or Bit Converter Plus?

RPN ships an update every 3 months, and Bit Converter Plus every 38 months. Most recently, RPN was updated on September 21, 2026 and Bit Converter Plus on September 16, 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.*