# Sunflx Energy vs Right Calculator

The clearest difference is in-app purchases: Sunflx Energy at none against Right Calculator's 2. Sunflx Energy also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.1). Right Calculator's advantage is update cadence (every 6 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Right Calculator sells 2 in-app purchases, starting at $0.99 per year. Sunflx Energy asks for nothing beyond the download.

Sunflx Energy ships an update every 2 months, Right Calculator every 6 days. The most recent releases landed on October 31, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Sunflx Energy | Right Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sunflx-energy/id6761084949/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 260 MB | 41 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sunflx New Energy Co Ltd](https://appshunter.io/developer/1760460189) | [Megabyte Software Inc.](https://appshunter.io/developer/1143972928) |

## What reviewers say

### Sunflx Energy

[App page](https://appshunter.io/ios/app/sunflx-energy/id6761084949)

Monitor new energy equipment remotely, checking its operating status and issuing instructions. View historical data through charts and monthly/yearly statistics.

**Highlights:** Remote equipment monitoring, Real-time operating status check, Issue setting instructions, Historical data cloud storage, View data change curves via charts, Total yearly and monthly statistics

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

**In-app purchases:** none


### Right Calculator

[App page](https://appshunter.io/ios/app/right-calculator/id6768528621)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads One Year | $0.99 | per year |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Sunflx Energy free?

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

### Is Right Calculator free?

Right Calculator is free to download, with in-app purchases available.

### Do Sunflx Energy or Right Calculator have ads?

Right Calculator shows ads; Sunflx Energy does not.

### Which is updated more often, Sunflx Energy or Right Calculator?

Sunflx Energy ships an update every 2 months, and Right Calculator every 6 days. Most recently, Sunflx Energy was updated on October 31, 2026 and Right Calculator on November 12, 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.*