# XCAL vs ROMES Probe

The clearest difference is update cadence: XCAL at every 3 weeks against ROMES Probe's every 4 months. On price, ads, 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.

XCAL ships an update every 3 weeks, ROMES Probe every 4 months. The most recent releases landed on October 4, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | XCAL | ROMES Probe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/xcal-ismart/id1185372106/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 9 MB | 1 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Innowireless Co., Ltd.](https://appshunter.io/developer/1645003818) | [Rohde & Schwarz GmbH & Co. KG](https://appshunter.io/developer/364229795) |

## What reviewers say

### XCAL

[App page](https://appshunter.io/ios/app/xcal-ismart/id1185372106)

This application allows for Quality of Service and Quality of Experience testing across various network technologies. It runs as a standalone app on iPhones and supports automated testing for comprehensive network analysis.

**Highlights:** QoS and QoE testing, Supports all network technologies, Handheld stand-alone application, Automated testing capabilities, iPhone compatible

**In-app purchases:** none


### ROMES Probe

[App page](https://appshunter.io/ios/app/romes-probe/id6445962802)

**In-app purchases:** none


## Frequently asked questions

### Is XCAL free?

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

### Is ROMES Probe free?

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

### Do XCAL or ROMES Probe have ads?

Neither XCAL nor ROMES Probe shows ads.

### Which is updated more often, XCAL or ROMES Probe?

XCAL ships an update every 3 weeks, and ROMES Probe every 4 months. Most recently, XCAL was updated on October 4, 2026 and ROMES Probe on October 27, 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.*