# CERV vs MySolArk

The clearest difference is review sentiment: CERV at 100% against MySolArk's 12%. CERV also leads on rating (5.0 vs 2.0) and iOS requirement (10.0 vs 12.0). MySolArk's advantage is ratings volume (123 vs 3). 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.

CERV holds the better App Store score, 5.0 against 2.0. That said, the two scores are not equally well evidenced: MySolArk has 123 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of CERV's written reviews are positive against 12% of MySolArk's.

## The numbers

| Metric | CERV | MySolArk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cerv-ice/id1532351879/reviews)** | [2.0 (123 ratings)](https://appshunter.io/ios/app/mysolark/id1642876313/reviews) |
| Number of ratings | 3 | **123** |
| Positive reviews | **100.0% of reviews** | 12.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 weeks |
| Monetization | Free | Free |
| Size | 15 MB | 34 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Newell Instruments, Inc](https://appshunter.io/developer/1532351881) | [Sol-Ark](https://appshunter.io/developer/1634702525) |

## What reviewers say

### CERV

[App page](https://appshunter.io/ios/app/cerv-ice/id1532351879)

Manage your smart ventilation system remotely. Monitor indoor air quality, view historical performance data, and purchase replacement filters directly through the app. Supports control of multiple units.

**Highlights:** Remote comfort control, Indoor air quality monitoring, Historical performance data, Filter replacement purchasing, Multi-unit support

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 CERV free?

CERV 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, CERV or MySolArk?

CERV is rated higher. CERV averages 5.0 out of 5 from 3 ratings, while MySolArk averages 2.0 from 123 ratings.

### Do CERV or MySolArk have ads?

Neither CERV nor MySolArk shows ads.

---

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