Comparison

Charger Master vs Parallel Space ‒ Dual Accounts

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

Head to head
About

Charger Master

Personalize your charging experience with custom sounds and animations. This app also offers tools to test charging speed, estimate battery life, and provide maintenance tips.

Highlights
  • Custom charging sounds
  • Charging animations
  • Charging power detection
  • Battery life calculator
  • Charging time estimation
  • Battery maintenance tips
  • Home screen widgets
Features
Read full description

The charging sound is now online, making you the brightest boy in the village instantly! Charging sound, unplugged sound, full battery sound, low battery sound, there is always one that belongs to you~ New function of charging animation, carefully design a number of exquisite animations, reject the fuzzy mosaic animation, bring different charging experience. New feature of automatic charging test is comming. After connecting to the charging cable, the Charger Master can automatically start the test without manually opening the APP. In [Tools-Automatic charging test], you can view the detailed tutorial~ (iOS14 system required). Charger Master will be a good companion for your charger. It uses a well-designed algorithm and has been tested by many users for tens of thousands of times. It can quickly and accurately measure the charging power of your device and help you find the best charger. 【FEATURES】 1. Detect the charging power of the current device. 2. Charge animations , charge sound. 3. View the charging time, capacity, speed and other parameters of your charger. 4. View the current device's adapter charger, PD fast charging power, wireless charging power and other parameters. 5. Record detailed test results, and can set test charger to facilitate retrospective. 6. Support setting the current battery health and battery rated capacity. 7. Support to add custom charger model, power, brand and interface. 8. Battery life calculator can estimate battery life based on capacity and power consumption. 9. The charging calculator can estimate the time required to fully charge the battery. 10. Battery capacity conversion can quickly convert watt-hours and milliamp-hours. 11. Battery maintenance tips can help you better extend battery life. 12. Hundreds of thousands of HD animations and wallpapers have been launched. 13. Well-designed home screen widgets to make your desktop look new

About

Parallel Space ‒ Dual Accounts

Run multiple accounts of the same app simultaneously on your device. Easily clone social media and other applications to keep all your accounts online at once. Enhance security with password protection for your cloned apps.

Highlights
  • Run multiple accounts simultaneously
  • Clone social media apps
  • Password protect cloned apps
  • Automatic login
  • Privacy zone with passcode
Features
Read full description

Experience the convenience of running multiple accounts of the same app simultaneously on your phone with Parallel Space. This powerful app enables you to clone and maintain unlimited multiple accounts, keeping them all online simultaneously. Are you tired of constantly logging in and out, switching between different accounts of a single app? If so, look no further. Parallel Space was specifically designed to cater to users with multiple social media accounts who struggle with account management. In addition to account duplication, Parallel Space offers advanced features to enhance your app experience. Safeguard your data security and privacy by setting a password for the application. Our app supports a wide range of popular social media platforms and services. Key Features: • Multi-Account Login: Seamlessly log into multiple accounts using just one phone and stay connected online. • Enhanced Account Security: Protect your accounts with ease by setting passcodes and enjoy automatic login functionality. • Privacy Protection: Create a privacy zone with a passcode to safeguard your private accounts. Upgrade your app usage with Parallel Space, the ultimate solution for managing multiple accounts effortlessly. You can purchase an auto-renewable subscription to get full access. Your subscription will be charged to your iTunes account at confirmation of purchase. The subscription automatically renews for the same price and the duration period depends on the selected plan (weekly, monthly, yearly) unless canceled at least 24 hours before the end of the current period. You can turn off the auto-renewal feature at any time by changing your account settings. Please choose from our standard subscription options below: 1-week subscription from $2.99; 1-month subscription from $9.99; 12-month subscription from $19.99. Prices may change depending on your country. Privacy Policy: https://appliks.com/privacy-policy ​​Terms of Use: https://appliks.com/terms-of-use

Screenshots

Charger Master4 screens
Parallel Space ‒ Dual Accounts3 screens

Verdict

The call

The clearest difference is monetization model: Charger Master at free with in-app purchases against Parallel Space ‒ Dual Accounts's subscription. Charger Master also leads on update cadence (every 2 weeks vs every 5 months). Parallel Space ‒ Dual Accounts's advantage is ads (none vs shown) and rating (4.5 vs 4.3). On price, review sentiment, ratings volume and in-app purchases 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. Charger Master sells 2 one-off in-app purchases and Parallel Space ‒ Dual Accounts sells 8 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Parallel Space ‒ Dual Accounts holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 6.1K and 3.1K respectively. Written reviews point the same way: 27% of Charger Master's written reviews are positive against 30% of Parallel Space ‒ Dual Accounts's.

UpkeepUpdate frequency

Charger Master ships an update every 2 weeks, Parallel Space ‒ Dual Accounts every 5 months. The most recent releases landed on November 8, 2026 and November 7, 2026 respectively.

Scorecard4 real differences · 6 level
Charger Master versus Parallel Space ‒ Dual Accounts: the parameters behind the verdict, then further details
ParameterCharger MasterParallel Space ‒ Dual Accounts
PriceFreeFree
Rating4.3 (6.1K ratings)4.5 (3.1K ratings) — better
Positive reviews26.6% of reviews29.7% of reviews — better
Number of ratings6.1K — better3.1K
Update frequencyEvery 2 weeks — betterEvery 5 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size55 MB29 MB
Age rating4+4+
Developer东海 刘AppLiks Sp. z O.O.

Customer experience

Charger Master

All ratings6,081 ratings
Positive81.6%
Neutral4.1%
Negative14.4%
Written reviews508 reviews
Positive26.6%
Neutral8.9%
Negative64.6%

Parallel Space ‒ Dual Accounts

All ratings3,148 ratings
Positive86.7%
Neutral3.9%
Negative9.3%
Written reviews165 reviews
Positive29.7%
Neutral9.1%
Negative61.2%

User reviews

Charger Master

From 6.1K App Store ratings

What we love

  • ⚡ Charging speed monitoring
  • 🎨 Visually appealing animations
  • 💻 Useful charging information

Room to improve

  • 🚫 Paywall-locked features
  • 📺 Excessive ads
  • 🔒 Requires unlocked phone for animations
  • ⚠️ Inaccurate charging data
  • 🔋 Drains battery

Parallel Space ‒ Dual Accounts

From 3.1K App Store ratings

What we love

  • 👍 Convenient multitasking
  • 🔒 Enhanced security
  • 💡 Simplify your accounts
  • 🚀 Seamless multi-account login
  • 👍 Well app

Room to improve

  • 🐛 Doesn't work
  • 🐛 Useless
  • 🐛 Scam
  • 🐛 Misleading
  • 🐛 Couldn't reply to previous review

Bugs and requests

Charger Master

Reported bugs

3 issues
  • Automation failures
  • Charging test freezes
  • Inconsistent percentage display

Requested features

4 requests
  • Lock screen charging animations
  • Wireless charging speed monitoring
  • Battery health tracking
  • Export charging data to CSV/Excel

Parallel Space ‒ Dual Accounts

Reported bugs

5 issues
  • Messages don't go through
  • No notification for messages
  • Doesn't clone apps as promised
  • Doesn't work with Viber
  • Doesn't work with Kakaotalk

Requested features

2 requests
  • Add Wechat
  • Add custom apps

In-app purchases

2 purchases

Charger Master

One-time2
  • Pro Edition$1.99
  • Lifetime Professional Edition$3.99
8 purchases

Parallel Space ‒ Dual Accounts

Subscriptions8
  • Weekly Access$1.997 Days
  • Weekly Access$2.997 Days
  • Parallel Space PRO3 Days trial$2.997 Days
Show 5 more
  • Monthly Access$9.991 Month
  • Yearly Access$9.991 Year
  • Parallel Space Premium3 Days trial$9.991 Month
  • Yearly Access$19.991 Year
  • Multiple Accounts Manager PRO3 Days trial$19.991 Year

Questions

Is Charger Master free?
Charger Master is free to download, with in-app purchases available.
Is Parallel Space ‒ Dual Accounts free?
Parallel Space ‒ Dual Accounts is free to download, with in-app purchases available.
Which has better reviews, Charger Master or Parallel Space ‒ Dual Accounts?
Parallel Space ‒ Dual Accounts is rated higher. Charger Master averages 4.3 out of 5 from 6.1K ratings, while Parallel Space ‒ Dual Accounts averages 4.5 from 3.1K ratings.
Do Charger Master or Parallel Space ‒ Dual Accounts have ads?
Charger Master shows ads; Parallel Space ‒ Dual Accounts does not.
Which is updated more often, Charger Master or Parallel Space ‒ Dual Accounts?
Charger Master ships an update every 2 weeks, and Parallel Space ‒ Dual Accounts every 5 months. Most recently, Charger Master was updated on November 8, 2026 and Parallel Space ‒ Dual Accounts on November 7, 2026.

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