# Wasserstein vs MySolArk

The clearest difference is rating: Wasserstein at 4.6 against MySolArk's 2.0. Wasserstein also leads on review sentiment (42% vs 12%) and ratings volume (981 vs 123). MySolArk's advantage is update cadence (every 5 weeks vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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 2.0. That said, the two scores are not equally well evidenced: Wasserstein has 981 ratings behind it against 123, 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 12% of MySolArk's.

Wasserstein ships an update every 4 months, MySolArk every 5 weeks. The most recent releases landed on October 22, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Wasserstein | MySolArk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (981 ratings)](https://appshunter.io/ios/app/wasserstein/id1215495377/reviews)** | [2.0 (123 ratings)](https://appshunter.io/ios/app/mysolark/id1642876313/reviews) |
| Number of ratings | **981** | 123 |
| Positive reviews | **41.9% of reviews** | 12.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 172 MB | 34 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [DROPCASES LIMITED](https://appshunter.io/developer/1215495376) | [Sol-Ark](https://appshunter.io/developer/1634702525) |

## What reviewers say

### Wasserstein

[App page](https://appshunter.io/ios/app/wasserstein/id1215495377)

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.

**Highlights:** Central hub for smart home devices, Connects Wasserstein devices, Manage devices from smartphone, Seamless device integration

**In-app purchases:** none

**What reviewers like**

- 🏠 Home security
- 💡 Damage averted
- 👍 Easy setup

**What reviewers complain about**

- 🚨 No notifications
- 🤯 Unreliable connectivity
- 🤷‍♀️ Poor instructions
- 🔓 Login issues
- 🗑️ Useless when not connected

**Reported bugs**

- App data loss
- Incompatible with iOS 16.1
- Sensors not triggering alarms
- Connectivity issues

**Requested features**

- Text message notifications
- Daylight savings time support


### MySolArk

[App page](https://appshunter.io/ios/app/mysolark/id1642876313)

This application allows users to remotely customize and monitor their photovoltaic energy storage systems. It provides 7-day-a-week support to help optimize the system based on user goals.

**Highlights:** Remote system customization, Energy storage system monitoring, PV system optimization, 7-day-a-week support, Anytime, anywhere access

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 📊 Good data visualization with graphs
- 👁️ Ability to view historical data across days/weeks/months
- 🌐 Remote access from anywhere
- 🎨 Dark mode option available
- ⚡ Real-time system status monitoring

**What reviewers complain about**

- 🚪 Constant forced logout requiring repeated logins
- 🐢 Slow data updates and status reporting
- ⚠️ Unreliable connection showing system offline incorrectly
- 📉 Missing historical ROI and carbon savings data after updates
- 🔔 Notifications not working or missing entirely

**Reported bugs**

- Constant logout requiring repeated authentication
- Slow or delayed data updates from inverter
- App shows system offline when it's actually online
- Historical data (monthly/yearly) displays as zero or disappears
- Data inconsistencies between overview and detailed screens

**Requested features**

- Keep user logged in with biometric authentication (Face ID/fingerprint)
- Push notifications for grid outages and system status changes
- Ability to control/modify inverter settings from app
- Custom date range reporting (not just calendar months)
- Daily summary view showing aggregated metrics


## Frequently asked questions

### Is Wasserstein free?

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

### Is MySolArk free?

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

### Which has better reviews, Wasserstein or MySolArk?

Wasserstein is rated higher. Wasserstein averages 4.6 out of 5 from 981 ratings, while MySolArk averages 2.0 from 123 ratings.

### Do Wasserstein or MySolArk have ads?

Neither Wasserstein nor MySolArk shows ads.

### Which is updated more often, Wasserstein or MySolArk?

Wasserstein ships an update every 4 months, and MySolArk every 5 weeks. Most recently, Wasserstein was updated on October 22, 2026 and MySolArk on October 20, 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.*