# DAH Solar vs DAHAI

DAH Solar and DAHAI are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

DAH Solar ships an update every 5 weeks, DAHAI every 3 weeks. The most recent releases landed on October 27, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | DAH Solar | DAHAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/dah-solar/id6444245984/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 60 MB | 63 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Anhui Daheng New Energy Technology Co. LTD](https://appshunter.io/developer/1273605807) | [Solareast Energy Storage Technology Co., Ltd.](https://appshunter.io/developer/1700838026) |

## What reviewers say

### DAH Solar

[App page](https://appshunter.io/ios/app/dah-solar/id6444245984)

This tool offers intelligent, real-time monitoring and analysis for photovoltaic power plants. It allows users to track the operational status and performance data of their solar energy systems. The application provides comprehensive insights into power plant dynamics.

**Highlights:** Real-time power plant monitoring, Smart analysis of performance data, Operational status tracking, Photovoltaic system management, Intelligent power plant dynamics

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

**In-app purchases:** none


### DAHAI

[App page](https://appshunter.io/ios/app/dahai/id6754756362)

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

**In-app purchases:** none


## Frequently asked questions

### Is DAH Solar free?

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

### Is DAHAI free?

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

### Do DAH Solar or DAHAI have ads?

Neither DAH Solar nor DAHAI shows ads.

### Which is updated more often, DAH Solar or DAHAI?

DAH Solar ships an update every 5 weeks, and DAHAI every 3 weeks. Most recently, DAH Solar was updated on October 27, 2026 and DAHAI on October 10, 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.*