# ZEFNET Charge vs Wave Spa

ZEFNET Charge and Wave Spa both sit at 2.0 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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 2.0 for ZEFNET Charge against 2.0 for Wave Spa. Both are backed by a comparable volume of ratings — 6 and 8 respectively. Written reviews are what separate them: 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 October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ZEFNET Charge | Wave Spa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (6 ratings)](https://appshunter.io/ios/app/zefnet-charge/id1470100874/reviews) | [2.0 (8 ratings)](https://appshunter.io/ios/app/wave-spa/id6477339416/reviews) |
| Number of ratings | 6 | **8** |
| Positive reviews | 10.4% of reviews | **39.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 19 MB | 50 MB |
| Requires iOS | **11.0** | 12.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [ZEF Energy Inc.](https://appshunter.io/developer/1470100873) | [Wave Direct Limited](https://appshunter.io/developer/1729041395) |

## What reviewers say

### ZEFNET Charge

[App page](https://appshunter.io/ios/app/zefnet-charge/id1470100874)

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.

**Highlights:** Find public chargers, Start/stop charging sessions, Secure in-app payments, Monitor home charger usage, Control home charger, Override charging restrictions

**Features:** macOS Compatibility

**In-app purchases:** none


### Wave Spa

[App page](https://appshunter.io/ios/app/wave-spa/id6477339416)

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.

**Highlights:** Remote Wi-Fi spa management, Heating and maintenance scheduling, Energy saving idle temperature, Customizable heating programs, Seamless integration with Wi-Fi spas

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ZEFNET Charge free?

ZEFNET Charge is free to download, with no in-app purchases.

### Is Wave Spa free?

Wave Spa is free to download, with no in-app purchases.

### Which has better reviews, ZEFNET Charge or Wave Spa?

ZEFNET Charge and Wave Spa are both rated 2.0 out of 5 on the App Store, from 6 and 8 ratings respectively.

### Do ZEFNET Charge or Wave Spa have ads?

Neither ZEFNET Charge nor Wave Spa shows ads.

### Which is updated more often, ZEFNET Charge or Wave Spa?

ZEFNET Charge ships an update every 4 months, and Wave Spa every 3 months. Most recently, ZEFNET Charge was updated on October 16, 2026 and Wave Spa on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*