# DeltaSolar vs HiSolar

The clearest difference is review sentiment: HiSolar at 50% against DeltaSolar's 0%. 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.

DeltaSolar ships an update every 2 months, HiSolar monthly. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | DeltaSolar | HiSolar |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 136 MB | 257 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Delta Electronics, Inc.](https://appshunter.io/developer/386896582) | [深圳市泽联格迈科技有限公司](https://appshunter.io/developer/1768209769) |

## What reviewers say

### DeltaSolar

[App page](https://appshunter.io/ios/app/deltasolar/id1570742979)

Monitor your solar energy system's performance remotely or onsite. Track energy production, consumption, and export, with historical data for analysis. View grid and solar power voltage, frequency, and amps for comprehensive system insights.

**Highlights:** Remote Wi-Fi access, Direct onsite connection, Energy status and analysis, Production, consumption, export data, Historical performance data, Grid and solar voltage/frequency monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### HiSolar

[App page](https://appshunter.io/ios/app/hisolar/id6447599228)

Monitor and control your green energy devices locally. View device status, adjust settings, check alarms, and export logs. Update firmware directly from your mobile phone.

**Highlights:** Local device login, Monitor running status, Set parameters, View alarms, Export logs, Update firmware

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

**In-app purchases:** none


## Frequently asked questions

### Is DeltaSolar free?

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

### Is HiSolar free?

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

### Do DeltaSolar or HiSolar have ads?

Neither DeltaSolar nor HiSolar shows ads.

### Which is updated more often, DeltaSolar or HiSolar?

DeltaSolar ships an update every 2 months, and HiSolar monthly. Most recently, DeltaSolar was updated on October 15, 2026 and HiSolar on October 14, 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.*