# RENAC SEC vs NextFSM

The clearest difference is iOS requirement: NextFSM at 13.0 against RENAC SEC's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

RENAC SEC ships an update every 3 weeks, NextFSM every 5 weeks. The most recent releases landed on October 30, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | RENAC SEC | NextFSM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/renac-sec/id1568028954/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | — |
| Size | 25 MB | 29 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [无锡乐伏网络科技有限公司](https://appshunter.io/developer/1197246083) | [Egon Raamat](https://appshunter.io/developer/1843202943) |

## What reviewers say

### RENAC SEC

[App page](https://appshunter.io/ios/app/renac-sec/id1568028954)

Monitor and intelligently control your Renac inverter with this advanced energy management system. It offers solutions for distributed generation and microgrid systems, leveraging cloud computing and big data for efficient solar plant operations.

**Highlights:** String inverter monitoring, Hybrid inverter control, Intelligent energy management, Distributed generation solutions, Microgrid system management, Solar plant operations platform

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

**In-app purchases:** none


### NextFSM

[App page](https://appshunter.io/ios/app/nextfsm/id6756391086)

**In-app purchases:** none


## Frequently asked questions

### Is RENAC SEC free?

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

### Is NextFSM free?

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

### Do RENAC SEC or NextFSM have ads?

Neither RENAC SEC nor NextFSM shows ads.

### Which is updated more often, RENAC SEC or NextFSM?

RENAC SEC ships an update every 3 weeks, and NextFSM every 5 weeks. Most recently, RENAC SEC was updated on October 30, 2026 and NextFSM on October 19, 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.*