# Round Trip Latency Meter vs True Pan

The clearest difference is review sentiment: True Pan at 100% against Round Trip Latency Meter's 0%. True Pan also leads on rating (5.0 vs 1.0) and price ($4.99 vs $9.99). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Round Trip Latency Meter costs $9.99 and True Pan $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

True Pan holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: True Pan has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Round Trip Latency Meter's written reviews are positive against 100% of True Pan's.

Round Trip Latency Meter ships an update every 31 months, True Pan every 17 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Round Trip Latency Meter | True Pan |
| --- | --- | --- |
| Price | $9.99 | **$4.99** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/round-trip-latency-meter/id1427507645/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/true-pan/id6444190718/reviews)** |
| Number of ratings | 1 | **8** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 17 months** |
| Monetization | Paid | Paid |
| Size | 4 MB | 5 MB |
| Requires iOS | 18.0 | **12.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ONYX Apps](https://appshunter.io/developer/356553882) | [quantovox](https://appshunter.io/developer/484686124) |

## 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


### True Pan

[App page](https://appshunter.io/ios/app/true-pan/id6444190718)

This audio plugin allows for lossless repositioning of stereo recordings, preserving the stereo field's geometry. It enables fully reversible panoramic rotations without compressing the stereo image and supports advanced transformations and modulation effects for creative sound design.

**Highlights:** Lossless stereo field repositioning, Fully reversible panoramic rotations, Advanced transformations and modulation, Preserves spatial information in ambience/reverb, Tempo-synced LFOs for rhythmic motion, Dynamic stereo spread controls

**Features:** Vision Pro support

**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 True Pan free?

True Pan costs $4.99, with no in-app purchases.

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

True Pan is rated higher. Round Trip Latency Meter averages 1.0 out of 5 from 1 ratings, while True Pan averages 5.0 from 8 ratings.

### Do Round Trip Latency Meter or True Pan have ads?

Neither Round Trip Latency Meter nor True Pan shows ads.

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

Round Trip Latency Meter ships an update every 31 months, and True Pan every 17 months. Most recently, Round Trip Latency Meter was updated on November 2, 2026 and True Pan 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.*