# Solaris Optics vs Della+

The clearest difference is ratings volume: Della+ at 433 against Solaris Optics's 6. Della+ also leads on rating (3.6 vs 3.3) and review sentiment (9% vs 0%). Solaris Optics's advantage is update cadence (every 3 weeks vs every 3 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.

Della+ holds the better App Store score, 3.6 against 3.3. That said, the two scores are not equally well evidenced: Della+ has 433 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 0% of Solaris Optics's written reviews are positive against 9% of Della+'s.

Solaris Optics ships an update every 3 weeks, Della+ every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Solaris Optics | Della+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (6 ratings)](https://appshunter.io/ios/app/solaris-optics/id1580420859/reviews) | **[3.6 (433 ratings)](https://appshunter.io/ios/app/della-plus/id1590950655/reviews)** |
| Number of ratings | 6 | **433** |
| Positive reviews | 0.0% of reviews | **9.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 50 MB | 241 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Solaris Oilfield Infrastructure, LLC](https://appshunter.io/developer/1201366762) | [Align Inc. (CA)](https://appshunter.io/developer/1590950657) |

## What reviewers say

### Solaris Optics

[App page](https://appshunter.io/ios/app/solaris-optics/id1580420859)

Monitor industrial equipment remotely for maintenance and repair. Designed for field personnel to keep track of machinery status and facilitate timely interventions.

**Highlights:** Remote equipment monitoring, Maintenance tracking, Repair facilitation, Field personnel support, Industrial equipment oversight

**Features:** macOS Compatibility

**In-app purchases:** none


### Della+

[App page](https://appshunter.io/ios/app/della-plus/id1590950655)

Control smart home appliances remotely for optimal comfort and energy efficiency. Adjust settings, automate temperature based on location, and integrate with voice assistants for a seamless living experience.

**Highlights:** Remote appliance control, Smart feature integration, Energy efficiency, Voice assistant compatibility (Alexa, Google Assistant), WiFi connectivity, GeoFence temperature adjustment

**Features:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 👍 Integrated seamlessly with product
- 💡 Connects to other products

**What reviewers complain about**

- 🐛 App doesn't work properly
- 🐛 Can't increase temperature
- 🐛 Connectivity issues
- 🐛 Removed features after update
- 🐛 Confusing interface

**Reported bugs**

- App freezes or becomes unresponsive
- Fails to connect to devices
- Loses saved settings and configurations
- Displays incorrect or inconsistent information

**Requested features**

- Add ability to increase temperature
- Restore removed features
- Improve app stability and reliability
- Enhance user interface and controls
- Add support for more device models


## Frequently asked questions

### Is Solaris Optics free?

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

### Is Della+ free?

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

### Which has better reviews, Solaris Optics or Della+?

Della+ is rated higher. Solaris Optics averages 3.3 out of 5 from 6 ratings, while Della+ averages 3.6 from 433 ratings.

### Do Solaris Optics or Della+ have ads?

Neither Solaris Optics nor Della+ shows ads.

### Which is updated more often, Solaris Optics or Della+?

Solaris Optics ships an update every 3 weeks, and Della+ every 3 months. Most recently, Solaris Optics was updated on October 24, 2026 and Della+ on October 24, 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.*