Quality Analyzer vs Neon Engine
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Quality Analyzer
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Quality Analyzer is a professional audio analysis tool for musicians, producers, and audio enthusiasts. FILE MODE (iOS & macOS) Analyze any audio file and get detailed insights: - Overall Quality Score (0-100) - LUFS Integrated, Short-Term & Momentary - True Peak Level detection - Warmth, Clarity, Dynamics & Spaciousness ratings - Spectral Balance visualization - MacBook & PA System compatibility scores - Mid/Side stereo analysis - Clipping detection Supports WAV, MP3, AIFF, FLAC and more. Simply drop a file (macOS) or tap to select (iOS). LIVE MODE (iOS only) Real-time sound level meter using your microphone: - Instant dB readings - Color-coded levels: Green (quiet) β Red (loud) - Visual spectrum display - Know when you're disturbing the neighbors! Perfect for: - Checking mix quality before release - Comparing masters - Measuring room noise levels - Audio quality control Clean, fast, no subscriptions. Just drop your audio and analyze.
Neon Engine
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Transform your music into a sound that feels uniquely yours. Neon Engine is an on-device audio workshop for reshaping local music with immersive effects. Import a track, preview different styles, fine-tune the result, and save it to your personal libraryβall directly on your iPhone. -- AUDIO MODES -- Bass Enhance: Add more weight and depth to your music with a stronger low-end sound. Slowed + Reverb: Adjust the tempo, tone, and reverb to create a deeper, more atmospheric mix. City Pop: Give your track a bright, nostalgic character inspired by retro nighttime soundscapes. Fast Tempo: Speed up your music with adjustable tempo controls, from a subtle lift to a high-energy remix. Original: Save and manage the original track alongside your converted versions. -- BUILT FOR YOUR MUSIC -- Live Preview: Hear each effect before saving and fine-tune supported modes in real time. Personal Library: Organize converted tracks, rename them, filter by effect, and mark favorites for quick access. Bulk Actions: Select multiple tracks to update favorites or delete them together. Files Integration: Import compatible audio files directly from the iOS Files app. Background Playback: Continue listening to tracks from your Neon Engine library outside the app. -- PRIVATE BY DESIGN -- Your music stays on your device. Audio processing is performed locally without uploading your files to a remote server. Neon Engine is designed for local audio files you own and for personal, creative use.
Screenshots
Verdict
The clearest difference is price: Neon Engine at Free against Quality Analyzer's $2.99. On update cadence, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Neon Engine is free to download; Quality Analyzer costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Quality Analyzer ships an update every 4 months, Neon Engine every 5 months. Both last shipped on October 31, 2026.
| Parameter | Quality Analyzer | Neon Engine |
|---|---|---|
| Price | $2.99 | Free β better |
| Update frequency | Every 4 months β better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, Mac β better | iPhone |
| Requires iOS | 17.6 | 17.6 |
| Further details β not scored | ||
| Size | 3 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | SORIN NAE | JUNGYUN JO |
In-app purchases
Quality Analyzer
No in-app purchases
Neon Engine
No in-app purchases









