Comparison

MultiBMS vs Resolver Race

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Currently charting
Read full description

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.

About

Resolver Race

Features
Read full description

Your DNS resolver decides how fast every web page starts loading - and the one your network handed you may not be the quickest, or the most honest. Resolver Race finds out in a couple of minutes. It benchmarks dozens of public DNS resolvers from your iPhone, on the network you're actually using, and ranks them by real measured speed. RACES EVERY KIND OF DNS - Classic DNS over IPv4 and IPv6 - DNS-over-HTTPS (DoH) - DNS-over-TLS (DoT) - Your current DNS server, included automatically for comparison THREE REAL-WORLD TESTS - Cached: a name the resolver already knows, for pure round-trip speed - Uncached: a name it has never seen, so it must do the full lookup - New .com: a domain that doesn't exist, timing the .com path MORE THAN JUST SPEED - Finds which resolvers are actually reachable before timing anything - Detects when your router answers in a resolver's place instead of the real thing - Checks DNSSEC validation, and whether it is genuinely enforced - Flags resolvers that redirect domains that don't exist to ad pages - Shows what each resolver blocks: ads, adult content, malware - Measures how close the content servers each resolver hands you really are BUILT TO BE TRUSTED Everything runs on your device. No accounts, no analytics, no servers of ours - results never leave your phone unless you export them yourself. FREE, WITH A ONE-TIME UPGRADE Free includes five resolvers, six queries per test and one run per race - enough to see whether your current DNS is holding you back. Resolver Race Pro is a single purchase, yours for life with no subscription: the full resolver catalogue, up to 60 queries per test, repeat runs up to 100 times for rock-solid averages, and all the trust, filtering and content-speed checks. Inspired by the classic desktop DNS benchmarks, rebuilt for iPhone.

Screenshots

MultiBMS4 screens
Resolver Race4 screens

Verdict

The call

The clearest difference is price: Resolver Race at Free against MultiBMS's $0.99. Resolver Race also leads on in-app purchases (none vs 11) and update cadence (daily vs every 4 days). MultiBMS's advantage is chart position (#174 vs unranked) and device support (4 vs 2). On 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

CostPrice · In-app purchases · Ads · Monetization

Resolver Race is free to download; MultiBMS costs $0.99 up front. MultiBMS sells 11 one-off in-app purchases. Resolver Race asks for nothing beyond the download.

UpkeepUpdate frequency

MultiBMS ships an update every 4 days, Resolver Race daily. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

Scorecard6 real differences · 5 level
MultiBMS versus Resolver Race: the parameters behind the verdict, then further details
ParameterMultiBMSResolver Race
Price$0.99Free — better
Rating4.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 4 daysDaily — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaid—
Best chart rank#174 — better—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS15.0 — better18.0
Further details — not scored
Size36 MB1 MB
Age rating+44+
Developerstefan petersSaed Zakari

In-app purchases

11 purchases

MultiBMS

One-time11
  • E-Bike Rally$0.99
  • Bus Life$0.99
  • Off Grid$0.99
Show 8 more
  • 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
None

Resolver Race

No in-app purchases

Questions

Is MultiBMS free?
MultiBMS costs $0.99, and also offers in-app purchases.
Is Resolver Race free?
Resolver Race is free to download, with no in-app purchases.
Do MultiBMS or Resolver Race have ads?
Neither MultiBMS nor Resolver Race shows ads.
Which is updated more often, MultiBMS or Resolver Race?
MultiBMS ships an update every 4 days, and Resolver Race daily. Most recently, MultiBMS was updated on September 22, 2026 and Resolver Race on September 21, 2026.

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