KeyBell vs ng
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KeyBell
Monitor your home or office premises remotely with IP cameras. This free application allows for remote configuration and other useful functions to keep your property secure.
- Remote IP camera monitoring
- Home and office premise surveillance
- Remote configuration
- Security monitoring
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KeyBell enables customers to monitor home / office premises where the IP Camera is installed. This free app offers many other useful functions such as: remote configuration.
ng
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ng-audio is a professional control and measurement app developed for ng-audio subwoofers equipped with built-in RAM Audio PowerPack amplifiers. The app is also compatible with other subwoofers and loudspeaker systems using RAM Audio PowerPack DSP, making it suitable for both ng-audio installations and third-party systems. ng-audio provides direct DSP control together with advanced acoustic measurement tools, allowing precise low-frequency tuning and system verification directly from your iPhone or iPad. Wifi control of RAM Audio PowerPack DSP amplifiers Optimized workflow for ng-audio active subwoofers Compatible with third-party PowerPack-based systems (Limited Support) Real-time gain, mute, polarity, and preset control Live input/output VU metering Parametric EQ editing with direct DSP synchronization Logarithmic sweep measurements and frequency response analysis Real-Time Analyzer (RTA) SPL meter with manual and signal-based calibration USB microphone support with native UMIK-1 compatibility . Designed for system technicians, integrators, and audio professionals who require fast accurate control and reliable measurements in the field.
Screenshots
Verdict
The clearest difference is update cadence: ng at every 10 days against KeyBell's every 5 months. KeyBell's advantage is iOS requirement (9.0 vs 26.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
KeyBell ships an update every 5 months, ng every 10 days. The most recent releases landed on September 16, 2026 and September 13, 2026 respectively.
| Parameter | KeyBell | ng |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (13 ratings) — better | — |
| Positive reviews | 20.0% of reviews | — |
| Number of ratings | 13 — better | — |
| Update frequency | Every 5 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 9.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 16 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | 瑶 朱 | Daniel Nordgren |
In-app purchases
KeyBell
No in-app purchases
ng
No in-app purchases
