ZEFNET Charge vs Wave Spa
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZEFNET Charge
Find and use public electric vehicle charging stations. Monitor and control your home charging unit, with options to override utility program restrictions for emergency charging.
- Find public chargers
- Start/stop charging sessions
- Secure in-app payments
- Monitor home charger usage
- Control home charger
- Override charging restrictions
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Access ZEF Energy's public chargers and your ZEFNET-enabled charger at home. This app provides access to ZEF Energy's network of public chargers, allowing drivers to find a charger, start/stop a charging session and pay for their session costs in a secure and simple way. It also provides drivers with a ZEFNET-enabled charger a way to monitor and control its usage. If your charger is participating in a utility program which restricts charging at certain times, this app provides the ability to override some program restrictions in order to charge in an emergency.
Wave Spa
Manage your Wi-Fi enabled hot tub remotely. Schedule heating, set up maintenance routines, and optimize energy usage by maintaining idle temperatures. Enjoy a perfectly prepared spa experience anytime, anywhere.
- Remote Wi-Fi spa management
- Heating and maintenance scheduling
- Energy saving idle temperature
- Customizable heating programs
- Seamless integration with Wi-Fi spas
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Revolutionise your hot tub experience with our spa management app! Control your Wi-Fi enabled spa from anywhere with easy scheduling for heating and maintenance. Compatible with IOS 12.3 (or later) and operating seamlessly on 2.4GHz bandwidth for extended range, the app allows you to program the heater, create maintenance schedules to fit your routine, and save energy by maintaining an idle water temperature during non-use. Enjoy the ultimate spa experience as you program the heater to turn on automatically, making your relaxation experience just a tap away – no matter where you are!
Screenshots
Verdict
ZEFNET Charge and Wave Spa both sit at 1.6 stars, but that hides the real split: 39% of Wave Spa's written reviews are positive against 10% of ZEFNET Charge's. On price, rating, ratings volume and update cadence 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.
Wave Spa holds the better App Store score, 1.7 against 1.6. Both are backed by a comparable volume of ratings — 26 and 11 respectively. Written reviews point the same way: 10% of ZEFNET Charge's written reviews are positive against 39% of Wave Spa's.
ZEFNET Charge ships an update every 4 months, Wave Spa every 3 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | ZEFNET Charge | Wave Spa |
|---|---|---|
| Price | Free | Free |
| Rating | 1.6 (26 ratings) | 1.7 (11 ratings) — better |
| Positive reviews | 10.4% of reviews | 39.3% of reviews — better |
| Number of ratings | 26 — better | 11 |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 12.4 |
| Further details — not scored | ||
| Size | 19 MB | 50 MB |
| Age rating | 4+ | 17+ |
| Developer | ZEF Energy Inc. | Wave Direct Limited |
Customer experience
ZEFNET Charge
Wave Spa
Bugs and requests
ZEFNET Charge
Reported bugs
20 issues- 🐛 App won't scan QR codes
- 🐛 App won't connect to chargers
- 🐛 App shows a black screen
- 🐛 App freezes
- 🐛 App requires force quitting to work
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- 🐛 App logs users out automatically
- 🐛 App doesn't recognize chargers
- 🐛 App forgets account details
- 🐛 Confirmation codes not sent
- 🐛 App doesn't load
- 🐛 App doesn't allow login
- 🐛 App interface is locked
- 🐛 App doesn't release previous charging sessions
- 🐛 App requires reinstallation to work
- 🐛 App not compatible with password auto-fill
- 🐛 App doesn't show remaining balance
- 🐛 App doesn't show charging history
- 🐛 Map zooming is erratic
- 🐛 App crashes during payment
- 🐛 App errors out during charging
Requested features
11 requests- 💡 Add functionality to pay for exact energy used
- 💡 Allow requesting refunds for remaining credit
- 💡 Display charging speed on the app
- 💡 Add a way to report malfunctioning chargers
- 💡 Improve app performance and stability
Show 6 moreShow fewer
- 💡 Support credit card payments at the station
- 💡 Allow adding more than one home charger
- 💡 Integrate with mobile payments
- 💡 Allow autofill on signup fields
- 💡 Improve map zooming functionality
- 💡 Make emails case-insensitive for login
Wave Spa
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ZEFNET Charge
No in-app purchases
Wave Spa
No in-app purchases
