Report updated May 20, 2026
Amperes 4- battery charge info
For tech-savvy mobile users and hardware enthusiasts who want to diagnose charging efficiency and battery health.
Amperes 4- battery charge info is a well-regarded utilities app that is free with in-app purchases. With a 4.5/5 rating from 327.4K reviews, it maintains solid user satisfaction. Users particularly appreciate simple and accurate battery monitoring provides clear visibility into charging speeds and health metrics, though inaccurate charging status reporting causes confusion when using non-standard or vehicle-based power sources remains a common concern.
What is Amperes 4- battery charge info?
Amperes 4 is a battery diagnostic utility for iOS and Android that measures real-time charging and discharging current in milliamperes.
Users hire the app to troubleshoot faulty USB cables and chargers, moving beyond manufacturer claims to verify actual power delivery to their specific device.
Current Momentum
v4.5 · 1mo ago
Maintenance- Added Apple Watch support.
- Extended measurement range to 20A.
- Added experimental wattage display.
Active Nemesis
Battery HD+
By smalltech
Other Rivals
7-Day Rank Pulse 🇺🇸
UtilitiesRating Pulse 🇺🇸
Recent User Mood
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Measures real-time charging and discharging current in mA to evaluate cable and charger performance
Submits test results to an online database to compare device charging performance against global users
Configurable notifications for battery levels on device and Android Wear
How much does it cost?
- Free (ad-supported) on Android
- Paid ($2.99) on iOS
Monetization bifurcates by platform, utilizing ad-inventory on Android and a one-time purchase model on iOS.
Who Built It?
Providing iOS users with granular hardware insights and battery diagnostics to optimize device performance and charging hardware.
Portfolio
9
Apps
What other apps does CrioSoft make?
Match Sounds: Audio Puzzle
Crios: Netwerk Port Scanner
Calculator Extreme
Brújula Auto: Navega Offline
Ampere Battery Charging Check
Specs: 기기 정보 및 위젯
Explore the full CrioSoft report
Portfolio breakdown, audience, momentum, and every app published by CrioSoft.
What do users think recently?
High confidence · 50 reviews analyzed · Based on 50 reviews. Signal may be noisy.
How did the latest release land?
What is the recent mood?
Recent user voice shows a excited sentiment. Users appreciate simple and accurate battery monitoring provides clear visibility into charging speeds and health metrics, but report inaccurate charging status reporting causes confusion when using non-standard or vehicle-based power sources.
What Users Love
What Frustrates Users
What Users Want
How have ratings & review volume moved?
Rating, review sentiment, and total reviews over time, with release markers showing the post-launch impact.
Vertical markers = app releases. Hover any release for the post-release impact delta.
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Amperes 4- battery charge info?
Where is it available?
Localized markets (20)
How's The Utilities Market?
How does it evolve in the Utilities market?
Amperes 4 holds a stable position in the Utilities category with a 4.5-star rating on Android, though the $2.99 iOS price point creates a barrier compared to free, ad-supported alternatives.
Rank progression
65 active rankings tracked — 30-day window
Which niche is Amperes 4- battery charge info in?
to measure battery charging and discharging current
Explore the full Battery Monitoring Monitors niche
Every app in this space — 6 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Nemeses(1)
Dominates the battery utility niche with over 540k reviews, serving as the primary benchmark for mass-market battery monitoring.
Differentiators
- Provides comprehensive hardware-level battery health diagnostics beyond simple charging current measurements
- Maintains a massive, long-standing user base that creates a significant barrier to entry for new tools
- Offers a broader suite of system monitoring tools that keeps users engaged longer than single-purpose apps
Head to head
The target app should lean into its niche as a specialized diagnostic tool for hardware troubleshooting to differentiate from the broader, more generalized utility suite of Battery HD+.
New entrants(2)
A high-utility network tool that competes for the same 'essential utility' real estate on user home screens.
Differentiators
- Leverages a massive brand and infrastructure moat to provide free, high-speed privacy and network optimization
- Positions itself as a 'set and forget' utility that provides immediate, tangible value to every user
Demonstrates aggressive growth with 13 releases in the last six months, signaling a high-velocity product strategy.
Differentiators
- Aggressively iterates on storage management features to capture users looking for all-in-one device maintenance
- Uses high-frequency update cycles to rapidly respond to user feedback and maintain top-tier store visibility
Compare Amperes 4- battery charge info against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for Amperes 4- battery charge info
Strengths to defend, gaps to attack
Core Strengths
- Proprietary global benchmarking database creates switching costs
- Specialized mA measurement provides diagnostic precision
Critical Frictions
- iOS price point at $2.99 above category median
- Hardware-specific measurement failures on Samsung devices
Growth Levers
- B2B partnerships with cable manufacturers for performance testing
- Wearable integration for remote battery monitoring
Market Threats
- OS-level battery health features in Android/iOS updates
- Aggressive update cadence of storage-cleaner utilities
What are the next best moves?
Audit Samsung measurement interface because hardware-specific failures trigger 1★ reviews → improve rating baseline
User feedback explicitly cites Samsung device incompatibility as a primary complaint.
Trade-off: Pause the experimental wattage display feature—compatibility fixes preserve the existing user base.
Ship native status bar integration because it is a top-requested feature → increase daily active usage
Users request native status bar indicators to improve visibility without opening the app.
Trade-off: Deprioritize the Android Wear alert update—status bar integration has higher visibility impact.
A counter-intuitive read
The app's reliance on device-specific measurement chips is a feature, not a bug: it creates a technical barrier to entry that generic battery monitors cannot replicate.
Feature Gaps vs Competitors
- Deep system-level telemetry (available in System Status Pro but missing here)
- Granular CPU and memory monitoring (available in AIDA64 but missing here)
Key Takeaways
Amperes 4 maintains a strong niche through diagnostic precision, but hardware-specific compatibility issues on major devices threaten its long-term retention, so the PM should prioritize firmware-level measurement fixes to stabilize the Android rating baseline.
Where Is It Heading?
Stable
The battery utility market is consolidating around OS-native features, forcing third-party tools to provide deeper diagnostic value to remain relevant. Amperes 4 is well-positioned to serve the prosumer segment if it can resolve hardware-specific reporting inaccuracies that currently drag on its Android rating.
Recent feature additions like wattage display and Apple Watch support show active development, not maintenance mode.
Hardware-specific detection issues on newer phone models continue to drive negative feedback, creating a persistent churn risk.