The Sustainer vs Wattmax SmartCharge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Sustainer
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India's most user Friendly EV Charging station Search-Charge app. Now locating, scheduling, easily start/Stop charging, get live update of your EV's charging status & complete dash board of analytics on our app. Our Chargers are available in 105+ cities across the country, with 1000+ EV Charging Station & more than 3000 user base. Charger location suggestion's solicited, Get in touch with us on +91 7718811903.
Wattmax SmartCharge
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Wattmax Energy India Pvt Ltd. focuses on electric vehicle (EV) charging solutions, providing innovative and efficient charging stations for all domestic & commercial electric vehicles. Our products are designed to cater to the growing demand for sustainable transportation, promoting the transition to electric mobility. Wattmax charging stations often feature user-friendly interfaces, smart connectivity options and fast charging capabilities, enabling EV owners to conveniently recharge their vehicles at their will as per their convenience. By prioritising safety, reliability and sustainability, Wattmax aims to support the expansion of EV infrastructure and contribute to a greener future."
Screenshots
Verdict
The clearest difference is update cadence: Wattmax SmartCharge at every 3 months against The Sustainer's every 8 months. The Sustainer's advantage is iOS requirement (13.0 vs 16.6). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
The Sustainer ships an update every 8 months, Wattmax SmartCharge every 3 months. The most recent releases landed on September 16, 2026 and September 7, 2026 respectively.
| Parameter | The Sustainer | Wattmax SmartCharge |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 64 MB | 96 MB |
| Age rating | 17+ | 17+ |
| Developer | ENVO-SUSTAINER PRIVATE LIMITED | Wattmax SmartCharge |
In-app purchases
The Sustainer
No in-app purchases
Wattmax SmartCharge
No in-app purchases
Questions
Is The Sustainer free?
Is Wattmax SmartCharge free?
Do The Sustainer or Wattmax SmartCharge have ads?
Which is updated more often, The Sustainer or Wattmax SmartCharge?
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