Wallbox Service App vs EV CALC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Wallbox Service App
Control and manage your electric vehicle charging station remotely. Monitor charging history, adjust power output, and update device firmware for optimal performance.
- Connect and operate charging wallbox
- Adjust charging power
- Browse charging history
- Download and upgrade firmware
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Through Wallbox App, you can connect and operate the charging wallbox at any time. It provides you with convenient control over the charging process of electric and plug-in hybrid vehicles. • Adjust charging power • Browse charging history • Download and upgrade firmware
EV CALC
Estimate electric vehicle charging time, range, and cost across various charging systems. Features customizable charging speeds, a range slider, and a countdown timer with notifications. Supports all charger types and major EV models, with zero personal data collection and no ads.
- Estimate charge time, range, and cost
- Customizable charging speeds
- Range slider for desired range
- Countdown timer with charge completion notifications
- Supports all charger types and major EV models
- Offline timer functionality
- Zero personal data collection and no ads
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EV CALC lets you easily estimate your electric vehicle charge time, range and cost no matter what charging system you are connecting to. With 4 customisable charging speeds, you can instantly toggle between your common chargers. Simply tap on the charging speed, swipe the range that you need and you'll clearly see the cost, range and time it will take to complete the charge. Quickly set a timer to count down the minutes until your charge is complete. The app will notify you when your charge is at 80%, so you can avoid any idle fees. With one tap and a swipe you'll clearly see: - How long your charge will take - How much it will cost - When it will be finished With all the varied charging options out there - this app keeps things simple and reliable. With the bonus features: - Most common presets configurable in the settings - Accurate range calculator - Auto EV car setup with an accurate range estimate - Supports all charger types and major models of Electric Cars - Zero personal data collection and no adverts - Sustainable dev, minimum app size so that you can download instantly while mobile - Offline timer, even if you accidentally close the app we'll still notify you Perfect for any Tesla, BMW, Nissan, Lucid Air, Mercedes EV, etc. Compatible with all major charging networks, Pod Point, Osprey, Shell Recharge, BP Pulse, Zero Carbon World, Blink, Electricity America, EVGO, Alfa, MFG, Chademo, and Tesla Super Chargers.
Screenshots
Verdict
The clearest difference is review sentiment: EV CALC at 88% against Wallbox Service App's 5%. EV CALC also leads on rating (4.0 vs 1.7) and update cadence (every 3 weeks vs every 10 months). Wallbox Service App's advantage is ratings volume (27 vs 1). On price, ads, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
EV CALC holds the better App Store score, 4.0 against 1.7. That said, the two scores are not equally well evidenced: Wallbox Service App has 27 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 5% of Wallbox Service App's written reviews are positive against 88% of EV CALC's.
Wallbox Service App ships an update every 10 months, EV CALC every 3 weeks. The most recent releases landed on October 21, 2026 and October 26, 2026 respectively.
| Parameter | Wallbox Service App | EV CALC |
|---|---|---|
| Price | Free | Free |
| Rating | 1.7 (27 ratings) | 4.0 (1 ratings) — better |
| Positive reviews | 4.9% of reviews | 88.2% of reviews — better |
| Number of ratings | 27 — better | 1 |
| Update frequency | Every 10 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 | 11.0 |
| Further details — not scored | ||
| Size | 55 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Delta Electronics, Inc. | Ulterium Ltd |
Customer experience
Wallbox Service App
EV CALC
Bugs and requests
Wallbox Service App
Reported bugs
35 issues- App does not work
- Cannot update firmware
- Cannot change amps
- Charging statistics duplicated/deleted
- Cannot link to wallbox
Show 30 moreShow fewer
- Firmware update issues
- Cannot connect to wallbox
- Needs to pair every time
- Cannot turn off LED brightness
- App not supported outside China
- Blocked, cannot update
- Charging statistics corrupted
- Cannot control usage via Bluetooth
- Cannot activate app
- Wallbox goes into red mode
- Cannot enter charger
- No manual or key
- App keeps disconnecting
- No installation guide
- Disconnects from device
- Pathetic connection issues
- Support page in Chinese
- Worst UI
- No charging data
- No troubleshooting
- Cannot enter menus
- Cannot authorize charging
- No support
- Cannot start charging via app
- Charging registration inaccurate
- Incorrect power output
- Cannot release charge
- Updates do not apply
- Pairing does not work
- iPhone freezes during pairing
Requested features
11 requests- Improve user interface
- Add monthly/weekly visual statistics
- Allow downloading charging statistics
- Add dark mode
- Provide installation guide
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- Improve Bluetooth pairing process
- Allow programming charging times
- Display voltage information
- Allow control of LED brightness
- Enable remote charging control
- Provide troubleshooting information
EV CALC
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Wallbox Service App
No in-app purchases
EV CALC
No in-app purchases








