# RTR vs Calculator Pro 100%

The clearest difference is ads: RTR at none against Calculator Pro 100%'s shown. RTR also leads on review sentiment (60% vs 40%) and monetization model (free vs ad-supported). Calculator Pro 100%'s advantage is iOS requirement (12.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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

RTR ships an update every 6 weeks, Calculator Pro 100% every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | RTR | Calculator Pro 100% |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rtr-netztest/id724321403/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **60.0% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 15 MB | 18 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [RTR-GmbH](https://appshunter.io/developer/724321406) | [Fabio Giuliani](https://appshunter.io/developer/1333671865) |

## What reviewers say

### RTR

[App page](https://appshunter.io/ios/app/rtr-netztest/id724321403)

Measure your internet connection's speed, ping, and signal strength. It also tests quality parameters like VoIP and web page loading. View results on a map and analyze historical data.

**Highlights:** Internet speed testing (upload, download, ping), Quality parameter testing (VoIP, web page), Signal strength measurement, Map view of test results, Historical data analysis, Automatic test repetition (loop mode)

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

**In-app purchases:** none


### Calculator Pro 100%

[App page](https://appshunter.io/ios/app/calculator-pro-100/id1609224179)

A practical and functional scientific calculator designed for iPad. It allows users to save and reuse previous calculations, displays partial results, and shows the current expression for clarity. This app is completely free to use.

**Highlights:** Scientific calculator functionality, Save and reuse calculations, Supports various operations, Shows partial results, Displays current expression

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RTR free?

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

### Is Calculator Pro 100% free?

Calculator Pro 100% is free to download, with no in-app purchases.

### Do RTR or Calculator Pro 100% have ads?

Calculator Pro 100% shows ads; RTR does not.

### Which is updated more often, RTR or Calculator Pro 100%?

RTR ships an update every 6 weeks, and Calculator Pro 100% every 3 weeks. Most recently, RTR was updated on November 1, 2026 and Calculator Pro 100% on November 3, 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.*