# Round Trip Latency Meter vs FeedbackGuard

The clearest difference is review sentiment: FeedbackGuard at 100% against Round Trip Latency Meter's 0%. FeedbackGuard also leads on rating (5.0 vs 1.0) and update cadence (every 4 days vs every 31 months). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Round Trip Latency Meter costs $9.99 and FeedbackGuard $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

FeedbackGuard holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of Round Trip Latency Meter's written reviews are positive against 100% of FeedbackGuard's.

Round Trip Latency Meter ships an update every 31 months, FeedbackGuard every 4 days. The most recent releases landed on September 10, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Round Trip Latency Meter | FeedbackGuard |
| --- | --- | --- |
| Price | $9.99 | **$3.99** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/round-trip-latency-meter/id1427507645/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/feedbackguard/id6769670528/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 4 days** |
| Monetization | Paid | Paid |
| Size | 4 MB | 4 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [ONYX Apps](https://appshunter.io/developer/356553882) | [Norwin Palme](https://appshunter.io/developer/1889770642) |

## What reviewers say

### Round Trip Latency Meter

[App page](https://appshunter.io/ios/app/round-trip-latency-meter/id1427507645)

This app measures the real-world round trip latency of an iOS audio system. It plays test tones and records their return to calculate latency, requiring a loopback cable connection.

**Highlights:** Measures real-world round trip audio latency, Plays test tones, Records returning tones, Requires loopback cable connection, Tests iOS audio systems

**In-app purchases:** none


### FeedbackGuard

[App page](https://appshunter.io/ios/app/feedbackguard/id6769670528)

This audio effect plugin automatically detects and suppresses acoustic feedback in real-time. It uses advanced analysis to place precise notch filters, allowing for clear audio during live performances or recordings. Customize settings for optimal suppression without compromising sound quality.

**Highlights:** Real-time howling detection, Adaptive notch bank (up to 24 notches), Live spectrum display, User-defined presets, Adjustable sensitivity and suppression, Optional harmonic tracking, Optional spectral noise reduction

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Round Trip Latency Meter free?

Round Trip Latency Meter costs $9.99, with no in-app purchases.

### Is FeedbackGuard free?

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

### Which has better reviews, Round Trip Latency Meter or FeedbackGuard?

FeedbackGuard is rated higher. Round Trip Latency Meter averages 1.0 out of 5 from 1 ratings, while FeedbackGuard averages 5.0 from 1 ratings.

### Do Round Trip Latency Meter or FeedbackGuard have ads?

Neither Round Trip Latency Meter nor FeedbackGuard shows ads.

### Which is updated more often, Round Trip Latency Meter or FeedbackGuard?

Round Trip Latency Meter ships an update every 31 months, and FeedbackGuard every 4 days. Most recently, Round Trip Latency Meter was updated on September 10, 2026 and FeedbackGuard on September 14, 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.*