# RPN vs Pilot Checklists

The clearest difference is price: Pilot Checklists at Free against RPN's $3.99. Pilot Checklists also leads on update cadence (weekly vs every 3 months). RPN's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 16.6). On ads and device support there is nothing between them.

Pilot Checklists is free to download; RPN costs $3.99 up front. Pilot Checklists sells 1 one-off in-app purchase. RPN asks for nothing beyond the download.

RPN ships an update every 3 months, Pilot Checklists weekly. The most recent releases landed on September 21, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | RPN | Pilot Checklists |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.6 (17 ratings)](https://appshunter.io/ios/app/rpn-67-sd/id1109722386/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 92.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Paid | — |
| Size | 63 MB | 104 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CuVee Software](https://appshunter.io/developer/424873503) | [LitFinger Studio s.r.o.](https://appshunter.io/developer/1632456719) |

## 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


### Pilot Checklists

[App page](https://appshunter.io/ios/app/pilot-checklists-fly-smart/id6768532534)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | one-time |


## Frequently asked questions

### Is RPN free?

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

### Is Pilot Checklists free?

Pilot Checklists is free to download, with in-app purchases available.

### Do RPN or Pilot Checklists have ads?

Neither RPN nor Pilot Checklists shows ads.

### Which is updated more often, RPN or Pilot Checklists?

RPN ships an update every 3 months, and Pilot Checklists weekly. Most recently, RPN was updated on September 21, 2026 and Pilot Checklists on September 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.*