# Roomring: Acoustic Decay — Impulse, modes and RT60

> Impulse, modes and RT60 (iPhone/iPad app by Robert Corbin.)

- Source: https://appshunter.io/ios/app/roomring-acoustic-decay/id6793303162 (this page in markdown: same URL + `.md`)
- Developer: [Robert Corbin](https://appshunter.io/developer/1890247992)
- Category: Music, Utilities
- Price: $3.99
- Age rating: 4+
- Requires: iOS 17.0 · 74 MB
- Released: 2026-08-03
- Data updated: 2026-10-08

## What is Roomring?

Roomring: Acoustic Decay is a focused, fully on-device app. An on-device room-acoustics studio for imported impulse responses, ETC, Schroeder decay, octave-band RT60, clarity, room modes, placement sweeps, and treatment notes.

KEY FEATURES
- Import WAV impulse responses or use a complete sample
- View waveform, ETC, and backward-integrated decay
- Estimate EDT, T20, T30, C50, and C80 by band
- Map axial, tangential, and oblique room modes
- Compare listening positions and treatment scenarios
- Complete bundled sample and local comparison workflow
- Local PDF report and Apple system share export
- Original offline technical reference library

ONE-TIME AND PRIVATE
- One paid download; no subscription or in-app purchase
- No account, advertising, analytics, tracking, or developer-operated backend
- Core features and bundled content work offline
- Work remains on device unless you deliberately share or export it through an Apple system interface

Planning and education aid. Phone microphones, playback systems, background noise, placement, and calibration affect results; use calibrated measurement practice for design decisions.

## Is Roomring safe?

Not enough ratings yet to assess Roomring.

## Is Roomring legit?

Roomring: Acoustic Decay appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Roomring is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.0 — 2026-08-04

No release notes.

## More apps by Robert Corbin

- [Daily Word Journey](https://appshunter.io/ios/app/daily-word-journey/id6761548266)
- [Hush Secret Text: Encryption](https://appshunter.io/ios/app/hush-secret-text-encryption/id6761658175)
- [Renew Guard](https://appshunter.io/ios/app/renew-guard/id6761755447)
- [Receipt to PDF](https://appshunter.io/ios/app/receipt-to-pdf/id6761782025)
- [Route Your Pay](https://appshunter.io/ios/app/route-your-pay/id6761783719)
- [Tip Arbiter](https://appshunter.io/ios/app/tip-arbiter/id6761786879)

All apps by Robert Corbin: https://appshunter.io/developer/1890247992

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-08.*