# RPN vs EV Battery Analysis

The clearest difference is ads: RPN at none against EV Battery Analysis's shown. RPN also leads on iOS requirement (12.0 vs 15.6). EV Battery Analysis's advantage is update cadence (every 3 days vs every 9 months) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RPN ships an update every 9 months, EV Battery Analysis every 3 days. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | RPN | EV Battery Analysis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/rpn-70-hd/id436127144/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 14 MB | 27 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CuVee Software](https://appshunter.io/developer/424873503) | [Melih OZUDOGRU](https://appshunter.io/developer/1881294867) |

## What reviewers say

### RPN

[App page](https://appshunter.io/ios/app/rpn-70-hd/id436127144)

This app provides a photo-realistic simulation of a rare 1974 financial calculator, offering full functionality for loan amortization, saving plans, and depreciation. It features an authentic design with animated keys and an optional live register view.

**Highlights:** Photo-realistic design, Live register view, Animated keys with sound, Full HP-70 function implementation, Cut/copy/paste display value, Built-in manual with examples

**Features:** macOS Compatibility

**In-app purchases:** none


### EV Battery Analysis

[App page](https://appshunter.io/ios/app/ev-battery-analysis/id6759858608)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RPN free?

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

### Is EV Battery Analysis free?

EV Battery Analysis is free to download, with no in-app purchases.

### Do RPN or EV Battery Analysis have ads?

EV Battery Analysis shows ads; RPN does not.

### Which is updated more often, RPN or EV Battery Analysis?

RPN ships an update every 9 months, and EV Battery Analysis every 3 days. Most recently, RPN was updated on October 21, 2026 and EV Battery Analysis on October 25, 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.*