# SmartProgrammer vs RN GPS

The clearest difference is review sentiment: SmartProgrammer at 67% against RN GPS's 33%. SmartProgrammer also leads on iOS requirement (12.2 vs 15.6). On price, update cadence, ads 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.

SmartProgrammer ships an update every 6 weeks, RN GPS every 2 months. The most recent releases landed on September 23, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | SmartProgrammer | RN GPS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **66.7% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 126 MB | 114 MB |
| Requires iOS | **12.2** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PIKO Spielwaren GmbH](https://appshunter.io/developer/1398748414) | [EDITH GmbH & Co. KG](https://appshunter.io/developer/1159057644) |

## What reviewers say

### SmartProgrammer

[App page](https://appshunter.io/ios/app/smartprogrammer/id1453965445)

Easily adjust digital parameters for your decoders with an intuitive app. Offers standard and expert modes for basic or detailed settings, including sound options. Quickly update connected decoders and transfer sound data.

**Highlights:** Intuitive decoder parameter adjustment, Standard and expert mode settings, Quick decoder updates, Sound data transfer via SUSI, Function key remapping, Integrated signal box

**Features:** macOS Compatibility

**In-app purchases:** none


### RN GPS

[App page](https://appshunter.io/ios/app/rn-gps-streckenkenntnis/id1526800014)

This app allows customers of Rail Network DocSync to manage their track knowledge. Users can manually add track records or use GPS to track their location in the background, optimizing battery usage.

**Highlights:** Manual track record entry, GPS tracking for location, Background tracking for battery efficiency, Track knowledge management, Rail Network DocSync customer exclusive

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

**In-app purchases:** none


## Frequently asked questions

### Is SmartProgrammer free?

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

### Is RN GPS free?

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

### Do SmartProgrammer or RN GPS have ads?

Neither SmartProgrammer nor RN GPS shows ads.

### Which is updated more often, SmartProgrammer or RN GPS?

SmartProgrammer ships an update every 6 weeks, and RN GPS every 2 months. Most recently, SmartProgrammer was updated on September 23, 2026 and RN GPS on October 13, 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.*