ChargingRewards vs ThermoSave
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ChargingRewards
Earn rewards by charging your electric vehicle. This app helps manage your charging schedule to reduce strain on the energy grid during peak hours, ensuring you always have the charge you need while supporting grid stability.
- Earn rewards for EV charging
- Manage charging schedules
- Support electric grid stability
- Ensure full charge when needed
- Reduce energy usage during peak times
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ChargingRewards makes it easy to charge your EV while earning rewards and helping the electric grid. We’ll manage your charging so you use less energy when others use more. This alleviates stress on the energy grid and helps ensure a more reliable service for everyone. ChargingRewards makes sure you get the charge you need at the time you need it. Your car will still get a full charge, and the grid remains stable – a win-win.
ThermoSave
This app intelligently manages your electric water heater to reduce electricity costs. It heats water during off-peak hours, ensuring you always have hot water without incurring high charges. The system works with most standard electric water heaters and major US utility plans.
- Automated off-peak water heating
- Reduces electricity bills
- Ensures hot water availability
- Works with existing water heaters
- Easy installation
- Compatible with major US utilities
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ThermoSave turns your electric water heater into a smart energy asset — automatically heating water when electricity rates are lowest and avoiding expensive peak hours. ThermoSave connects to your home WiFi and lets you set peak schedule to avoid. It pre-heats your water tank during cheap off-peak hours so you always have hot water when you need it — without paying peak rates. What you get - Up to $200 - $500/year or more in electricity savings on TOU utility plans - Always-hot water — no cold showers, no compromises - Works with your existing electric resistance water heater - No plumber needed — easy installation Works with standard electric resistance tank water heaters (240V). Compatible with major US utilities on time-of-use rate plans including APS, PG&E, Xcel Energy, and more. Requires - ThermoSave hardware controller (available at thermosave.com). - Electric water heater within WiFi range
Screenshots
Verdict
The clearest difference is review sentiment: ThermoSave at 100% against ChargingRewards's 29%. ThermoSave also leads on rating (5.0 vs 2.9). ChargingRewards's advantage is ratings volume (17 vs 4). On price, update cadence, ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ThermoSave holds the better App Store score, 5.0 against 2.9. Both are backed by a comparable volume of ratings — 17 and 4 respectively. Written reviews point the same way: 29% of ChargingRewards's written reviews are positive against 100% of ThermoSave's.
Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | ChargingRewards | ThermoSave |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (17 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 28.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 17 — better | 4 |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 22 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | EnergyHub, Inc. | ThermoSave |
Customer experience
ChargingRewards
ThermoSave
In-app purchases
ChargingRewards
No in-app purchases
ThermoSave
No in-app purchases









