Wasserstein vs ZEFNET Charge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Wasserstein
This app acts as a central control for all smart home devices made by Wasserstein. It connects your devices, allowing you to manage them conveniently from your smartphone.
- Central hub for smart home devices
- Connects Wasserstein devices
- Manage devices from smartphone
- Seamless device integration
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Wasserstein Smart Home App is your central hub for all smart home devices manufactured by Wasserstein. Wasserstein smart home - in the palm of your hand, connected to you and each other.
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.
Screenshots
Verdict
The clearest difference is rating: Wasserstein at 4.6 against ZEFNET Charge's 1.6. Wasserstein also leads on review sentiment (42% vs 10%) and ratings volume (981 vs 26). ZEFNET Charge's advantage is iOS requirement (11.0 vs 13.0). 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.
Wasserstein holds the better App Store score, 4.6 against 1.6. That said, the two scores are not equally well evidenced: Wasserstein has 981 ratings behind it against 26, so its average is the more settled of the two. Written reviews point the same way: 42% of Wasserstein's written reviews are positive against 10% of ZEFNET Charge's.
Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 22, 2026 and October 20, 2026 respectively.
| Parameter | Wasserstein | ZEFNET Charge |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (981 ratings) — better | 1.6 (26 ratings) |
| Positive reviews | 41.9% of reviews — better | 10.4% of reviews |
| Number of ratings | 981 — better | 26 |
| Update frequency | Every 4 months | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 172 MB | 19 MB |
| Age rating | 9+ | 4+ |
| Developer | DROPCASES LIMITED | ZEF Energy Inc. |
Customer experience
Wasserstein
ZEFNET Charge
Bugs and requests
Wasserstein
Reported bugs
4 issues- App data loss
- Incompatible with iOS 16.1
- Sensors not triggering alarms
- Connectivity issues
Requested features
2 requests- Text message notifications
- Daylight savings time support
ZEFNET Charge
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Wasserstein
No in-app purchases
ZEFNET Charge
No in-app purchases
Questions
Is Wasserstein free?
Is ZEFNET Charge free?
Which has better reviews, Wasserstein or ZEFNET Charge?
Do Wasserstein or ZEFNET Charge have ads?
Which is updated more often, Wasserstein or ZEFNET Charge?
Other comparisons
