Comparison

WATT EV CHARGING vs ERP 2.0

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

Head to head
About

WATT EV CHARGING

Features
Read full description

Step into the future of electric vehicle charging with Novowatt – your all-in-one solution for easy, efficient, and eco-friendly charging. With Novowatt, you're not just charging your EV, you're revolutionizing your driving experience. Reserve your charging spot in advance and avoid the hassle of waiting with our convenient queuing system. With just a few taps, secure your spot at your preferred charging station and breeze in when it's your turn. Unlock exclusive perks and benefits with our subscription service, tailored to fit your charging needs. Whether you're a daily commuter or a weekend explorer, we've got a plan for you. Explore our marketplace rewards and discover a world of incentives as you charge. Earn points with every session and exchange them for exciting rewards, from discounts on charging to deals on eco-friendly products. But that's not all – with Novowatt, you'll also enjoy features like real-time charging status updates, seamless payment options, and personalized recommendations based on your driving habits. Join the movement and drive towards a greener future with Novowatt – download the app now!

About

ERP 2.0

Access and display information from your On-Board Unit (OBU), including charging details and traffic alerts. Connects via Bluetooth for background notifications and supports CarPlay for in-car system integration.

Highlights
  • Access OBU charging details
  • Receive traffic alerts
  • View payment options
  • Bluetooth connectivity
  • Background notifications
  • CarPlay compatibility
Features
Read full description

The ERP 2.0 application allows you to access and display information provided by your On-Board Unit (OBU), such as ERP charging details, traffic alerts and Payment options. The application utilises Bluetooth technology to establish a seamless connection with the On-Board Unit (OBU), enabling motorists to receive notifications even when the application is running in the background. It is also compatible with CarPlay, allowing you to receive OBU Alerts on your vehicle's infotainment system, thereby allowing you to maintain a neat dashboard.

Screenshots

WATT EV CHARGING4 screens
ERP 2.04 screens

Verdict

The call

The clearest difference is ads: ERP 2.0 at none against WATT EV CHARGING's shown. WATT EV CHARGING's advantage is update cadence (every 5 days vs every 3 months). On price, in-app purchases, 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

WATT EV CHARGING ships an update every 5 days, ERP 2.0 every 3 months. Both last shipped on October 27, 2026.

Scorecard2 real differences · 8 level
WATT EV CHARGING versus ERP 2.0: the parameters behind the verdict, then further details
ParameterWATT EV CHARGINGERP 2.0
PriceFreeFree
Rating—1.0 (2 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 5 days — betterEvery 3 months
AdsYesNo — better
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better16.6
Further details — not scored
Size152 MB27 MB
Age rating4+17+
DeveloperWATTLand Transport Authority (Singapore)

In-app purchases

None

WATT EV CHARGING

No in-app purchases

None

ERP 2.0

No in-app purchases

Questions

Is WATT EV CHARGING free?
WATT EV CHARGING is free to download, with no in-app purchases.
Is ERP 2.0 free?
ERP 2.0 is free to download, with no in-app purchases.
Do WATT EV CHARGING or ERP 2.0 have ads?
WATT EV CHARGING shows ads; ERP 2.0 does not.
Which is updated more often, WATT EV CHARGING or ERP 2.0?
WATT EV CHARGING ships an update every 5 days, and ERP 2.0 every 3 months. Most recently, WATT EV CHARGING was updated on October 27, 2026 and ERP 2.0 on October 27, 2026.

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