# SolarGain vs DuLink

The clearest difference is iOS requirement: DuLink at 13.0 against SolarGain's 15.0. 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.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 5, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | SolarGain | DuLink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Size | 46 MB | 61 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [App Inlet (Pty) Ltd](https://appshunter.io/developer/1191972056) | [Dunext Technology Suzhou Co., Ltd.](https://appshunter.io/developer/1891965117) |

## What reviewers say

### SolarGain

[App page](https://appshunter.io/ios/app/solargain/id1669177716)

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

**In-app purchases:** none


### DuLink

[App page](https://appshunter.io/ios/app/dulink/id6739234591)

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

**In-app purchases:** none


## Frequently asked questions

### Is SolarGain free?

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

### Is DuLink free?

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

### Do SolarGain or DuLink have ads?

Neither SolarGain nor DuLink shows ads.

### Which is updated more often, SolarGain or DuLink?

SolarGain ships an update fortnightly, and DuLink fortnightly. Most recently, SolarGain was updated on October 5, 2026 and DuLink on September 28, 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.*