N9 vs Audify
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
N9
This utility app alerts you to vehicle presence using infrared detectors. Customize alarm volume and choose from 16 distinct sounds. It supports up to 12 infrared sensors across six zones.
- Infrared vehicle detection
- Adjustable alarm volume
- 16 alarm sound options
- Supports 12 infrared sensors
- Six detection zones
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N9 Lane alarm, can be induced by the infrared detectors to enter or leave to have a car, through the APP can adjust the volume of alarm, and provides users with 16 different alarm sound, there are six areas, add 12 infrared sensor can learn
Audify
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Audify: Your Smart Sound Assistant Discover what’s around you – just by listening. Free • No Data Collection • No Sign-Up Ever wondered how noisy your café, office, or bedroom really is? Audify uses AI to analyze sounds in real-time and gives you instant insights – all while keeping your data 100% private. Why You’ll Love Audify: Real-time Decibel Check See noise levels at a glance – is your environment ideal for focus, or too loud for comfort? AI-Powered Sound Reports Get simple breakdowns of surrounding sounds (like traffic, voices, or nature) – no tech jargon, just clear insights. Zero Data Storage We never save or upload your recordings. What you hear stays on your device – always. Perfect For: Remote workers optimizing home offices Parents checking baby room noise Travelers scouting quiet hotels Anyone curious about their sound environment How It Works: Open Audify Tap to start listening (no account needed) Get your sound report in seconds No Hidden Costs – Just a Smarter Way to Listen. Download now and explore your world through sound! Privacy policy:https://probable-sail-49b.notion.site/Privacy-Policy-for-Audify-1ccb8cbb09b3805cbca6cb8fb5f61277 Terms-of-Use:https://probable-sail-49b.notion.site/Terms-of-Use-for-Audify-1ccb8cbb09b3805f8469fc0915e3168a Feedback:tmy9527110@163.com
Screenshots
Verdict
The clearest difference is in-app purchases: N9 at none against Audify's 3. N9 also leads on ads (none vs shown) and iOS requirement (8.0 vs 16.6). On price, update cadence and device support 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
Both are free to download. Audify sells 3 in-app purchases, starting at $2.99 per 7 days. N9 asks for nothing beyond the download.
N9 ships an update every 3 weeks, Audify fortnightly. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.
| Parameter | N9 | Audify |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 8.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 83 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | 传林 方 | 苗钰 谭 |
In-app purchases
N9
No in-app purchases
Audify
- Weekly$2.997 Days
- Three Months$6.993 Months
- Lifetime member$12.99









