Comparison

iDOCTOR vs Next Level Systems Battery

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

Head to head
About

iDOCTOR

Get a comprehensive overview of your iPhone or iPad's hardware and system specifications. This app provides detailed information on CPU, memory, storage, display, battery, and security features without requiring logins or unnecessary permissions.

Highlights
  • System overview
  • CPU and performance details
  • Memory and storage information
  • Screen and display specs
  • Battery and power status
  • Security and accessibility features
Features
Read full description

*** #1 App in 10 countries! *** Complete System Overview! *** Simple and intuitive Interface! *** Know what’s inside your iPhone or iPad. *** iDOCTOR: CPU & System gives you a clear, reliable view of your iOS device’s technical specifications. Whether you are a developer, tester, advanced user, or simply curious about what makes your iPhone run, this app delivers the hardware and system information you need in one place. Designed to be fast, simple, and private, Device Info offers real-time access to essential specs—no logins, subscriptions, or unnecessary permissions. What does Device Info show? Device Info collects and displays accurate technical data using official Apple APIs. The app includes the following categories: System Overview Device model and generation iOS system version Device type (iPhone or iPad) Interface language and region Time zone CPU and Performance Chip type (Apple A-series) Number of processor cores Active processor threads System uptime (since last reboot) Low Power Mode status Memory and Storage Installed RAM (physical memory) Available memory at runtime Total storage capacity Free disk space (formatted) Screen and Display Resolution in physical pixels Retina scale factor Screen orientation (portrait or landscape) Brightness level Appearance mode: light or dark Battery and Power Battery level (%) Charging status: unplugged, charging, or full Battery state (charging or not) Low Power Mode on/off Security and Accessibility Biometric authentication (Face ID, Touch ID, or none) VoiceOver status Reduce Motion enabled/disabled Reduce Transparency enabled/disabled ***Why choose Device Info? -Device Info: CPU & System is the ultimate tool for viewing your iPhone’s hardware and system status. This lightweight iOS app gives you: -Instant access to CPU info, memory, battery, and more -A clean, user-friendly dashboard -No logins, no tracking, no ads -Optional advanced diagnostics (via rewarded ads) -Full compatibility with the latest iOS devices ***Perfect for: -Developers checking test environments -QA testers verifying device specs -Power users monitoring performance -Buyers and sellers confirming hardware details -Anyone curious about their device’s true capabilities Free to use. No accounts. Built for speed and accuracy.

About

Next Level Systems Battery

Features
Read full description

Mit der kostenlosen Next Level Systems Battery App können Sie die Leistungsdaten Ihrer Batterie über Bluetooth oder den GPS Tracker direkt auf Ihrem Handy abrufen. Mit dem GPS Tracker überwachen Sie Ihre Batterie weltweit in Echtzeit. Alle 20 Minuten werden die aktuellen Daten auf die App geschickt, ebenso wie der Live-Standort inkl. Routenverfolgung.

Screenshots

iDOCTOR4 screens
Next Level Systems Battery3 screens

Verdict

The call

The clearest difference is in-app purchases: Next Level Systems Battery at none against iDOCTOR's 1. Next Level Systems Battery also leads on update cadence (every 3 months vs every 7 months). On price, ads, device support and iOS requirement 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. iDOCTOR sells 1 one-off in-app purchase. Next Level Systems Battery asks for nothing beyond the download.

UpkeepUpdate frequency

iDOCTOR ships an update every 7 months, Next Level Systems Battery every 3 months. The most recent releases landed on September 20, 2026 and September 19, 2026 respectively.

Scorecard2 real differences · 8 level
iDOCTOR versus Next Level Systems Battery: the parameters behind the verdict, then further details
ParameteriDOCTORNext Level Systems Battery
PriceFreeFree
Rating4.8 (17 ratings) — better—
Positive reviews88.9% of reviews—
Number of ratings17 — better—
Update frequencyEvery 7 monthsEvery 3 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.6
Further details — not scored
Size20 MB24 MB
Age rating4+4+
DeveloperRodrigo BellosoNext Level Systems GmbH

In-app purchases

1 purchases

iDOCTOR

One-time1
  • iDoctor Pro$4.99
None

Next Level Systems Battery

No in-app purchases

Questions

Is iDOCTOR free?
iDOCTOR is free to download, with in-app purchases available.
Is Next Level Systems Battery free?
Next Level Systems Battery is free to download, with no in-app purchases.
Do iDOCTOR or Next Level Systems Battery have ads?
Neither iDOCTOR nor Next Level Systems Battery shows ads.
Which is updated more often, iDOCTOR or Next Level Systems Battery?
iDOCTOR ships an update every 7 months, and Next Level Systems Battery every 3 months. Most recently, iDOCTOR was updated on September 20, 2026 and Next Level Systems Battery on September 19, 2026.

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