# Earth 3D vs Sacred Knowledge Vault

The clearest difference is review sentiment: Sacred Knowledge Vault at 100% against Earth 3D's 33%. Sacred Knowledge Vault also leads on update cadence (every 8 days vs every 13 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Earth 3D ships an update every 13 months, Sacred Knowledge Vault every 8 days. The most recent releases landed on October 22, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Earth 3D | Sacred Knowledge Vault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (19 ratings)](https://appshunter.io/ios/app/earth-3d/id286927021/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 33.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 8 days** |
| Monetization | Free | Free |
| Size | 230 MB | 25 MB |
| Requires iOS | 15.6 | **15** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SOLILAB](https://appshunter.io/developer/286927024) | [平 何](https://appshunter.io/developer/1630512266) |

## What reviewers say

### Earth 3D

[App page](https://appshunter.io/ios/app/earth-3d/id286927021)

Explore a highly realistic 3D model of Earth, complete with dynamic clouds, storms, and atmospheric effects. Observe celestial bodies like the Moon and Sun against the backdrop of the Milky Way. This app offers a relaxing way to de-stress and appreciate the beauty of our planet.

**Highlights:** Realistic Earth with relief and clouds, Dynamic storm and shadow effects, Moon and Sun observation, Milky Way background, Interactive rotation and zoom, Multiple camera views

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

**In-app purchases:** none

**What reviewers like**

- 👍 Nice app
- 🚀 Great graphics
- 🌍 Beautiful representation of Earth
- 💡 Potential for more features

**What reviewers complain about**

- 🐛 Buggy after updates
- 🔋 Ads ruin the experience
- 🤔 Limited functionality
- 🤷‍♀ Pointless app

**Reported bugs**

- Buttons impossible to use after 8k update
- App doesn't work after iOS 2.0.1 update
- Blurry when zooming in
- Earth won't stop moving

**Requested features**

- Add more planets and solar system
- Real-time weather and cloud cover
- Ability to control rotation and zoom
- Accurate sun/moon positioning


### Sacred Knowledge Vault

[App page](https://appshunter.io/ios/app/sacred-knowledge-vault/id6792727759)

This AI tool offers a unique role-playing system with two knowledge base modes for private or public inquiries. It prioritizes user privacy by storing all conversation data locally and securely. Explore diverse topics with pre-built templates and manage your knowledge with built-in tools.

**Highlights:** Role-playing system with unique identities, Dual knowledge base modes (public & private), Local data storage for maximum privacy, Pre-built prompt templates (Wisdom Sparks), Conversation archiving and favorites, Encrypted API key storage

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

**In-app purchases:** none


## Frequently asked questions

### Is Earth 3D free?

Earth 3D is free to download, with no in-app purchases.

### Is Sacred Knowledge Vault free?

Sacred Knowledge Vault is free to download, with no in-app purchases.

### Do Earth 3D or Sacred Knowledge Vault have ads?

Neither Earth 3D nor Sacred Knowledge Vault shows ads.

### Which is updated more often, Earth 3D or Sacred Knowledge Vault?

Earth 3D ships an update every 13 months, and Sacred Knowledge Vault every 8 days. Most recently, Earth 3D was updated on October 22, 2026 and Sacred Knowledge Vault on October 16, 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.*