VoiceLM vs MultiBMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VoiceLM
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Talk to your local LLM — with your voice. VoiceLM connects to LLM servers running on your local network (LM Studio, Ollama) and lets you have natural voice conversations with AI. VOICE CONVERSATION - Speak naturally — Apple Speech Recognition converts your voice to text - AI responses are read aloud with text-to-speech - Hands-free mode: automatic silence detection sends your message, listens again after the AI responds LOCAL & PRIVATE - All processing stays on your network — no data leaves your device - Voice recognition and text-to-speech use built-in iOS engines — no external services needed - No account required, no tracking, no ads - Connect to any OpenAI-compatible local LLM server BUILT-IN AI MODE - On-device AI powered by Apple Intelligence — no server needed - Requires Apple Intelligence supported device (iPhone 15 Pro / Pro Max or later, iOS 18.1+) - Siri language must match your iPhone's language setting to enable Apple Intelligence CUSTOMIZABLE - 3 server presets — switch between models instantly - Leave model name empty to use whichever model is currently loaded on your server - Adjustable LLM parameters: Temperature, Max Tokens, Context History - System prompt support — customize AI behavior - 10 languages supported for voice recognition and speech - 7 theme colors Simple, private, and powerful. Your AI, your voice, your network. Built in collaboration with AI — an app made through human-AI dialogue, for human-AI dialogue. REQUIREMENTS - Local LLM Mode: Requires an LLM server (Ollama, LM Studio, etc.) running on your local network - Built-in AI Mode: Requires Apple Intelligence (iPhone 15 Pro / Pro Max or later, iOS 18.1+) - Siri language must match your iPhone's language setting to enable Apple Intelligence - Bluetooth audio (especially car HFP) may cause voice instability
MultiBMS
Monitor multiple Bluetooth-enabled battery management systems from your iPhone. View detailed pack voltage, cell voltages, current, power, state of charge, and temperature. Build custom battery groups and visualize charging activity.
- Connect to multiple BMS devices
- Detailed pack and cell diagnostics
- Build custom parallel/series battery groups
- Visualize charging and discharging
- Apple Watch companion preview
- Supports JiKong and JBD/Xiaoxiang hardware
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Most battery apps show you one pack. MultiBMS shows you the whole system. Connect every Bluetooth BMS you own, group them the way they're actually wired, and watch the entire bank behave as one — voltage, current, power, state of charge, temperature, capacity and every individual cell, live. SEE THE WHOLE BANK AT ONCE Build a group from any number of packs and MultiBMS aggregates it properly — parallel banks sum their current and capacity, series strings sum their voltage. One gauge for the bank, and every pack underneath it. Six batteries in an off-grid build read as one system instead of six apps you keep switching between. EVERY CELL, FOUR WAYS Bars, heat map, rows or grid. Minimum, maximum and delta across the whole bank or per pack, with the weak cell called out before it becomes a problem. Watch the balancer work in real time. RECORD WHAT ACTUALLY HAPPENED Start a recording and MultiBMS logs the run at one-second resolution. Pick a Battery Bank preset for a house system or a Vehicle preset for a ride, choose exactly which metrics to capture, and add per-cell and per-pack detail when you want the full picture. A live dyno cockpit shows the run as it happens — speed, volts, amps, kilowatts, state of charge, G-force — with peak draw, peak power and energy pulled tracked as you go. REPLAY IT LIKE FOOTAGE Cinema Replay plays any recorded run back as a scrubbing timeline with every channel drawn together. Find the moment the voltage sagged, the moment the pack got hot, the moment you hit peak power. Then export it: CSV for a spreadsheet, a formatted PDF report, or a share card that fits in a message. ON YOUR WRIST The Apple Watch app is a full second screen, not a notification relay. A live dyno cockpit that mirrors the run on your phone. Race Control with lap timing and per-lap energy. Ride profiles for e-bikes, karts and carts with GPS speed, distance and G-force. Fleet and cell views for the whole bank. Start and stop a recording from your wrist and the phone follows. ALERTS THAT MATTER Set your own limits for pack temperature, low pack voltage and low cell voltage. MultiBMS tells you the moment something crosses the line, whether you're looking at the app or not. MAKE IT LOOK LIKE YOUR RIG Thirteen interface skins, from an off-grid instrument bay to a racing cluster, marine, aviation, industrial and a retro terminal. Four dyno themes for the recorder. Four charge-flow animations — rail, orbit, mist and plasma — so charging and discharging read at a glance from across the room. WORKS WITH YOUR HARDWARE MultiBMS speaks 30 Bluetooth Low Energy BMS protocols covering drop-in lithium packs, server-rack storage, active balancers, shunt meters and portable power stations. Support varies by model and firmware — the full, current compatibility list lives at multibms.com. Not sure yours is covered? Email support@multibms.com with your battery and BMS model. We add protocols, and we're quick about it. READ-ONLY BY DESIGN MultiBMS reads telemetry. It does not write settings, change limits or reconfigure your BMS. Your battery keeps doing exactly what it was doing. NO ACCOUNT, NO SUBSCRIPTION No sign-up, no cloud, no recurring charge. Your data stays on your device. Premium skins are optional one-time purchases.
Screenshots
Verdict
The clearest difference is in-app purchases: VoiceLM at none against MultiBMS's 11. MultiBMS's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 26.2). On price and ads 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
VoiceLM costs $0.49 and MultiBMS $0.99 up front. MultiBMS sells 11 one-off in-app purchases. VoiceLM asks for nothing beyond the download.
| Parameter | VoiceLM | MultiBMS |
|---|---|---|
| Price | $0.49 — better | $0.99 |
| Rating | — | 4.0 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | — | Every 4 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 26.2 | 15.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | OSAMU YAMAGUCHI | SJP Custom Solutions LLC |
In-app purchases
VoiceLM
No in-app purchases
MultiBMS
- E-Bike Rally$0.99
- Bus Life$0.99
- Off Grid$0.99
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- Minimal White$0.99
- Retro Terminal$0.99
- Marine$0.99
- Arctic Ice$0.99
- Matrix Code$0.99
- Emergency$0.99
- CAT Equipment$0.99
- Aviation$0.99









