# RTPListen vs Sweep

The clearest difference is update cadence: RTPListen at daily against Sweep's weekly. 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.

RTPListen ships an update daily, Sweep weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | RTPListen | Sweep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/sweep-speaker-tuning/id6784438195/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Monetization | — | Free |
| Size | 1 MB | 4 MB |
| Requires iOS | 18.1 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Peter Whiting](https://appshunter.io/developer/1647275980) | [Carl Sieber](https://appshunter.io/developer/6777791133) |

## What reviewers say

### RTPListen

[App page](https://appshunter.io/ios/app/rtplisten/id6743659755)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sweep

[App page](https://appshunter.io/ios/app/sweep-speaker-tuning/id6784438195)

Analyze your speaker's frequency response directly from your listening position. This app plays a log sweep and captures the sound with your iPhone's mic or a calibrated external mic, then displays the results. Easily compare multiple measurements to fine-tune your audio setup.

**Highlights:** Log sweep playback (20 Hz–20 kHz), Frequency response plotting, Overlay up to 5 measurement runs, Frequency scrubbing with peak/trough snapping, Adjustable real-time smoothing, Built-in test tone and live meter, Export capture charts as images

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is RTPListen free?

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

### Is Sweep free?

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

### Do RTPListen or Sweep have ads?

Neither RTPListen nor Sweep shows ads.

### Which is updated more often, RTPListen or Sweep?

RTPListen ships an update daily, and Sweep weekly. Most recently, RTPListen was updated on October 30, 2026 and Sweep on October 31, 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.*