Sonify vs Delay.?
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sonify
Measure and record environmental noise levels with this sound meter app. It displays real-time decibel readings with audio visualization and historical graphs. You can also record and play back audio clips directly within the application.
- Ad-Free Experience
- Real-time Decibel Visualization
- Historical Decibel Graph
- Audio Recording & Playback
- Noise Level References
- Dark Mode
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Curious how loud your neighbour’s party is, or want to record an interesting sound? Sonify is a sound meter that can measure and record environmental noise using the built-in microphone on your device. Decibel readings are shown in real-time through an audio visualization and plotted on a historical graph. Your audio recordings are automatically saved and can be played back within the app! Note: Please remember decibel readings may differ on each device. The built-in microphone is adjusted to your voice and may not be accurate until it’s calibrated. Decibel values over 90+ may not be recognised on some devices due to hardware limitations. Features - Ad-Free Experience - Simple, Elegant & Appealing - Decibel Visualization - Historical Decibel Reading Graph - Noise Level References - Audio Recording - Playback, Rename & Share - Easy Screenshot Button - Dark Mode
Delay.?
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An App for Audio and AV Production Professionals to capture real-world speaker and listener locations and measure for setting delay. Quick Start Guide: - Place device at the front face of the Main PA speaker and press Set. - Place device at the front face of the Delay speaker and press Set. - Place device at the listener location and press Set & Finish. - Share results and take more *Uses ARKit for Location Measurement. More light the better. No data is stored after close and never transmitted. Old School like that.
Screenshots
Verdict
The clearest difference is price: Sonify at Free against Delay.?'s $3.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Sonify is free to download; Delay.? costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Sonify | Delay.? |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 25 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.0 | 17.6 — better |
| Further details — not scored | ||
| Size | 13 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | CODECLOUDS IT SOLUTIONS PRIVATE LIMITED | Jeremy Horn |
In-app purchases
Sonify
No in-app purchases
Delay.?
No in-app purchases









