# Daviz vs RPN

The clearest difference is price: Daviz at Free against RPN's $1.99. Daviz also leads on update cadence (every 6 days vs every 3 months). RPN's advantage is rating (5.0 vs 2.5) and ratings volume (8 vs 2). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Daviz is free to download; RPN costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RPN holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 2 and 8 respectively.

Daviz ships an update every 6 days, RPN every 3 months. The most recent releases landed on October 23, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Daviz | RPN |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/daviz/id1320607881/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/rpn-55-sd/id1469907917/reviews)** |
| Number of ratings | 2 | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 months |
| Monetization | **Free** | Paid |
| Size | 1 MB | 17 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mike Wesemann](https://appshunter.io/developer/285807162) | [CuVee Software](https://appshunter.io/developer/424873503) |

## What reviewers say

### Daviz

[App page](https://appshunter.io/ios/app/daviz/id1320607881)

This tool allows users to create data visualizations on iOS devices. It supports data input via URLs, including text files, and integrates with iOS sharing features for direct data transfer.

**Highlights:** Data visualization on iPhone and iPad, Macro language similar to Plot2, Data input via URL, Supports text file data sources, Direct data input via iOS sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### RPN

[App page](https://appshunter.io/ios/app/rpn-55-sd/id1469907917)

This app is a photo-realistic simulation of a classic Hewlett-Packard programmable scientific calculator from the 1970s. It includes a 100-hour digital timer, clock functions, and original HP programs.

**Highlights:** Photo-realistic look-and-feel, Programmable with conditional branching, 100-hr timer and 12/24-hr clock, Original HP programs built-in, Extended features for enhanced usability, Sharing via email, AirDrop, and more

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Daviz free?

Daviz is free to download, with no in-app purchases.

### Is RPN free?

RPN costs $1.99, with no in-app purchases.

### Which has better reviews, Daviz or RPN?

RPN is rated higher. Daviz averages 2.5 out of 5 from 2 ratings, while RPN averages 5.0 from 8 ratings.

### Do Daviz or RPN have ads?

Neither Daviz nor RPN shows ads.

### Which is updated more often, Daviz or RPN?

Daviz ships an update every 6 days, and RPN every 3 months. Most recently, Daviz was updated on October 23, 2026 and RPN on October 31, 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.*