# Enverview vs KetApp

The clearest difference is update cadence: KetApp at every 9 days against Enverview's monthly. Enverview's advantage is iOS requirement (13.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Enverview ships an update monthly, KetApp every 9 days. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Enverview | KetApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/enverview/id1062248946/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free | — |
| Size | 72 MB | 35 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Envertech (Shanghai) Corporation Ltd.](https://appshunter.io/developer/1784622421) | [Ketterer Antriebe](https://appshunter.io/developer/6773347353) |

## What reviewers say

### Enverview

[App page](https://appshunter.io/ios/app/enverview/id1062248946)

Monitor your solar energy system with this user-friendly app. View performance data for individual panels and the entire system in daily, monthly, or yearly graphics. Requires an account created on the web portal.

**Highlights:** Real-time solar system monitoring, Daily, monthly, yearly performance data, Individual panel and system-wide graphics, User-friendly interface, Web portal account integration

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

**In-app purchases:** none


### KetApp

[App page](https://appshunter.io/ios/app/ketapp-ketterer/id6773347351)

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

**In-app purchases:** none


## Frequently asked questions

### Is Enverview free?

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

### Is KetApp free?

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

### Do Enverview or KetApp have ads?

Neither Enverview nor KetApp shows ads.

### Which is updated more often, Enverview or KetApp?

Enverview ships an update monthly, and KetApp every 9 days. Most recently, Enverview was updated on November 2, 2026 and KetApp on November 5, 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.*