# PVFlow vs DEYLE HEC

The clearest difference is update cadence: PVFlow at every 5 weeks against DEYLE HEC's every 3 months. 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.

PVFlow ships an update every 5 weeks, DEYLE HEC every 3 months. Both last shipped on September 11, 2026.

## The numbers

| Metric | PVFlow | DEYLE HEC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Size | 104 MB | 92 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [禄英 林](https://appshunter.io/developer/6794160688) | [Shenzhen Energy Control Cloud Technology Co., Ltd](https://appshunter.io/developer/1765046101) |

## What reviewers say

### PVFlow

[App page](https://appshunter.io/ios/app/pvflow/id6759702585)

**Features:** macOS Compatibility

**In-app purchases:** none


### DEYLE HEC

[App page](https://appshunter.io/ios/app/deyle-hec/id6760325466)

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

**In-app purchases:** none


## Frequently asked questions

### Is PVFlow free?

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

### Is DEYLE HEC free?

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

### Do PVFlow or DEYLE HEC have ads?

Neither PVFlow nor DEYLE HEC shows ads.

### Which is updated more often, PVFlow or DEYLE HEC?

PVFlow ships an update every 5 weeks, and DEYLE HEC every 3 months. Most recently, PVFlow was updated on September 11, 2026 and DEYLE HEC on September 11, 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.*