# 4D vs WEESS

The clearest difference is update cadence: WEESS at monthly against 4D's every 4 months. 4D's advantage is iOS requirement (9.0 vs 15.6). 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.

4D ships an update every 4 months, WEESS monthly. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 4D | WEESS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/weess/id6470615837/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | — | Free |
| Size | 26 MB | 93 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [4D Bios Inc.](https://appshunter.io/developer/1443704111) | [Weyland Innovations Co., Ltd](https://appshunter.io/developer/1713883757) |

## What reviewers say

### 4D

[App page](https://appshunter.io/ios/app/4d-box/id1640428288)

**In-app purchases:** none


### WEESS

[App page](https://appshunter.io/ios/app/weess/id6470615837)

This app offers intelligent energy management for your home, optimizing storage and usage based on your patterns. It provides real-time data, personalized efficiency suggestions, and emergency backup power. Connect with others in an energy sharing community for greater flexibility and benefits.

**Highlights:** Intelligent energy optimization, Real-time data and analytics, Smart energy efficiency reminders, Emergency backup power, Energy sharing community

**In-app purchases:** none


## Frequently asked questions

### Is 4D free?

4D is free to download, with no in-app purchases.

### Is WEESS free?

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

### Do 4D or WEESS have ads?

Neither 4D nor WEESS shows ads.

### Which is updated more often, 4D or WEESS?

4D ships an update every 4 months, and WEESS monthly. Most recently, 4D was updated on October 6, 2026 and WEESS on October 1, 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.*