Comparison

Pro BMS vs Spot Authenticator

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

Head to head
About

Pro BMS

This utility app measures and displays real-time battery parameters like voltage, current, and capacity. It offers customizable protection functions and allows for voltage/current curve export. Control and monitoring are available via a mobile app.

Highlights
  • Real-time voltage and current measurement
  • Power, charge, and discharge capacity monitoring
  • Customizable protection functions (overvoltage, overcurrent, etc.)
  • Color LCD display of comprehensive data
  • Voltage and current curve display and export
  • Mobile app control and communication
Features
Read full description

The Pro BMS series voltage and ammeter is a new coulomb meter that can measure various physical parameters such as voltage, current, power, charge and discharge capacity, watt-hour, time, etc. At the same time, parameters can also be set to realize various protection functions such as overvoltage protection, undervoltage protection, overcurrent protection, overpower protection, overtemperature protection and time-limited protection. The meter can automatically identify the direction of current flow In addition, the battery capacity can be monitored in real time and the measured data is displayed on a color LCD, which displays comprehensive and user-friendly information. The Pro BMS series voltage and ammeter adds the function of displaying and exporting voltage and current curves based on the original functions. At the same time, it can be controlled by mobile APP and communication.

About

Spot Authenticator

Features
Read full description

Spot Authenticator is a cleaner, faster way to manage two-factor authentication codes. Traditional authenticators often become long lists that force you to scroll back and forth. Spot uses a clear visual layout so you can recognize the account you need and copy the right code with less searching. Your codes work without an internet connection. Enable Offline Mode when you prefer local use. Cloud sync is optional, so you decide how your data is stored and transferred between devices. KEY FEATURES • Visual layout designed for faster code finding • Offline generation of TOTP and 2FA codes • Add accounts by scanning QR codes • Import and export for migration and backup • Optional cloud synchronization • Biometric protection • Simple account organization and settings Spot Authenticator focuses on one job: helping you reach the right code with less searching while keeping you in control of your authentication data.

Screenshots

Pro BMS4 screens
Spot Authenticator4 screens

Verdict

The call

The clearest difference is in-app purchases: Pro BMS at none against Spot Authenticator's 1. Pro BMS also leads on iOS requirement (15.6 vs 18.0). Spot Authenticator's advantage is update cadence (weekly vs every 2 months). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Spot Authenticator sells 1 one-off in-app purchase. Pro BMS asks for nothing beyond the download.

UpkeepUpdate frequency

Pro BMS ships an update every 2 months, Spot Authenticator weekly. The most recent releases landed on September 27, 2026 and October 4, 2026 respectively.

Scorecard3 real differences · 6 level
Pro BMS versus Spot Authenticator: the parameters behind the verdict, then further details
ParameterPro BMSSpot Authenticator
PriceFreeFree
Rating1.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better18.0
Further details — not scored
Size35 MB5 MB
Age rating4+4+
DeveloperShenzhen Leagend Optoelectronics Co., Ltd.优贤 刘

In-app purchases

None

Pro BMS

No in-app purchases

1 purchases

Spot Authenticator

One-time1
  • Lifetime Pro$2.99

Questions

Is Pro BMS free?
Pro BMS is free to download, with no in-app purchases.
Is Spot Authenticator free?
Spot Authenticator is free to download, with in-app purchases available.
Do Pro BMS or Spot Authenticator have ads?
Neither Pro BMS nor Spot Authenticator shows ads.
Which is updated more often, Pro BMS or Spot Authenticator?
Pro BMS ships an update every 2 months, and Spot Authenticator weekly. Most recently, Pro BMS was updated on September 27, 2026 and Spot Authenticator on October 4, 2026.

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