Comparison

ChargerSync(legacy) vs MelonPay Sign

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

Head to head
About

ChargerSync(legacy)

This app enhances the charging experience for owners of specific electric vehicle wall boxes. It offers features like account management, session control, charging schedule setup, and detailed cost and power statistics. It also includes safety features for power balancing.

Highlights
  • Manage multiple wall boxes
  • Start/stop charging sessions
  • Authorize RFID cards
  • View real-time charging data
  • Set charging schedules
  • Track charging costs
  • Balance charging power
Read full description

ChargerSync is a reliable and convenient app for ABB Terra AC wall box owners, who are looking to upgrade their charging experience. The app is exclusively designed for ABB Terra AC wall box. It provides the wall box with an extended set of digital features and provides valuable insights into the charger for the charger owner and users. ChargerSync app only works with the ABB Terra AC Wallbox and via Bluetooth. WIFI and 4G connectivity are reserved for the ChargerSync Webportal and at the moment not available to be used with the App. We recommend to use the ChargerSync webportal for commercial operation and sites with multiple chargers. Main features include: · ChargerSync Account: Conveniently see and manage one or multiple Terra AC wall boxes with one account. Easily sign-up and setup your account in the ChargerSync app. · Authentication: Use ChargerSync to start and stop your charging session with just one click. Additionally, you can manage and authorize RFID cards to be used with your Terra AC wall box. · Charging: View real-time charging details while charging. Details include the charging power, voltage, amperage and if configured ChargerSync shows you the costs of your current charging session. With the schedule feature you can define a charging schedule that starts and stops your charging sessions for you automatically. · Statistics and Costs: In ChargerSync you can set different prices for electricity depending on the time of day. This allows you to get detailed information on your charging costs at home. The app also provides a quick way to see all charging sessions of your Terra AC wall box. · Safety: With ChargerSync you can balance the charging power of your Terra AC wall box to leave enough headroom for the rest of your electrical appliances at home. Terra AC is ABB latest wall box for AC charging electric vehicles with up to 22kW. The wall box comes with extended networking and connectivity features as standard and is accompanied by two smartphone applications and web portals. ChargerSync for Terra AC owners, users and operators and TerraConfig for installers and commissioning engineers.

About

MelonPay Sign

Read full description

Introducing the Melon Pay Sign App, a sophisticated authenticator designed for seamless security in every transaction. This app serves as a pivotal guardian for customer-initiated actions, ensuring airtight protection for payment requests, new account activation, and more. Key Functions: Effortless Authentication: Signer streamlines the 2FA process, making authentication quick and intuitive. Transaction Confirmation: Confirm payment requests confidently, knowing Signer adds an extra layer of security to every financial interaction. Activate Your Melon Pay Account: Safeguard your information with Signer's robust authentication when activating your brand-new Melon Pay Account. User-Friendly Interface: The app boasts an intuitive interface, ensuring a smooth experience for users of all levels. Steps to Ensure Security: 1) Download the Melon Pay Sign App: Visit your app store, search for "Melon Pay Sign," and download the application. 2) Account Setup: Create your Signer account, following the easy on-screen instructions and log into your account using your mobile. 3) Scan the QR code using your camera - Done! The verification has now been completed and you have approved your 2FA request. Features: Transaction Verification: When initiating a payment or activating your account, Signer will prompt you to confirm the action securely. Biometric Authentication: For an extra layer of security, enable biometric authentication methods such as fingerprint or facial recognition. Real-time Alerts: Receive instant notifications for any transaction or data change, allowing you to promptly verify or dispute any unauthorized activity. Experience the pinnacle of security with the Melon Pay Sign App, where every transaction is fortified by cutting-edge 2FA technology. Download now and elevate your financial interactions to a new standard of protection. If you have encountered issues with the app or any technological errors, please feel free to get in touch with us and report them to: support@launch.money

Screenshots

ChargerSync(legacy)4 screens
MelonPay Sign4 screens

Verdict

The call

The clearest difference is update cadence: MelonPay Sign at every 6 days against ChargerSync(legacy)'s every 3 months. ChargerSync(legacy)'s advantage is iOS requirement (9.0 vs 16.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ChargerSync(legacy) ships an update every 3 months, MelonPay Sign every 6 days. The most recent releases landed on October 23, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 8 level
ChargerSync(legacy) versus MelonPay Sign: the parameters behind the verdict, then further details
ParameterChargerSync(legacy)MelonPay Sign
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews11.5% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPod — betteriPhone
Requires iOS9.0 — better16.0
Further details — not scored
Size85 MB15 MB
Age rating4+17+
DeveloperChargedot Shanghai New Energy Technology Co., LtdMelon Finance Limited

In-app purchases

None

ChargerSync(legacy)

No in-app purchases

None

MelonPay Sign

No in-app purchases

Questions

Is ChargerSync(legacy) free?
ChargerSync(legacy) is free to download, with no in-app purchases.
Is MelonPay Sign free?
MelonPay Sign is free to download, with no in-app purchases.
Do ChargerSync(legacy) or MelonPay Sign have ads?
Neither ChargerSync(legacy) nor MelonPay Sign shows ads.
Which is updated more often, ChargerSync(legacy) or MelonPay Sign?
ChargerSync(legacy) ships an update every 3 months, and MelonPay Sign every 6 days. Most recently, ChargerSync(legacy) was updated on October 23, 2026 and MelonPay Sign on October 4, 2026.

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