# Multi vs WORLD4SOLAR

The clearest difference is update cadence: WORLD4SOLAR at every 5 weeks against Multi's every 3 months. Multi's advantage is iOS requirement (11.0 vs 13.0). 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.

Multi ships an update every 3 months, WORLD4SOLAR every 5 weeks. The most recent releases landed on October 3, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Multi | WORLD4SOLAR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Size | 36 MB | 85 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangdong Chico Electronic Inc.](https://appshunter.io/developer/1238601940) | [Chengdu E-Linter Information Technology Co., Ltd.](https://appshunter.io/developer/1149235329) |

## What reviewers say

### Multi

[App page](https://appshunter.io/ios/app/multi-machine/id1568046016)

**Features:** macOS Compatibility

**In-app purchases:** none


### WORLD4SOLAR

[App page](https://appshunter.io/ios/app/world4solar/id6475158489)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Multi free?

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

### Is WORLD4SOLAR free?

WORLD4SOLAR is free to download, with no in-app purchases.

### Do Multi or WORLD4SOLAR have ads?

Neither Multi nor WORLD4SOLAR shows ads.

### Which is updated more often, Multi or WORLD4SOLAR?

Multi ships an update every 3 months, and WORLD4SOLAR every 5 weeks. Most recently, Multi was updated on October 3, 2026 and WORLD4SOLAR on October 12, 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.*