# Curio vs 3D Elements

The clearest difference is price: Curio at Free against 3D Elements's $1.99. Curio also leads on iOS requirement (15.0 vs 18.0). 3D Elements's advantage is in-app purchases (none vs 2). On update cadence, ads and device support there is nothing between them.

Curio is free to download; 3D Elements costs $1.99 up front. Curio sells 2 in-app purchases, starting at $2.99 per month. 3D Elements asks for nothing beyond the download.

Curio ships an update every 2 months, 3D Elements every 4 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Curio | 3D Elements |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/curio-interesting-facts/id6760915812/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Freemium | — |
| Size | 55 MB | 7 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Armando Jimenez](https://appshunter.io/developer/1565696393) | [Alejandro Hernandez Mitre](https://appshunter.io/developer/1827109770) |

## What reviewers say

### Curio

[App page](https://appshunter.io/ios/app/curio-interesting-facts/id6760915812)

Get concise, AI-generated facts on any topic you choose. Select a tone, from playful to scholarly, and revisit or share your discoveries. Ideal for quick learning without lengthy articles.

**Highlights:** AI-generated facts, Topic-based learning, Multiple tone options, Fact saving and history, Fact sharing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Curio Pro | $2.99 | per month |
| Curio Pro | $19.99 | per year |


### 3D Elements

[App page](https://appshunter.io/ios/app/3d-elements/id6777505684)

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

**In-app purchases:** none


## Frequently asked questions

### Is Curio free?

Curio is free to download, with in-app purchases available.

### Is 3D Elements free?

3D Elements costs $1.99, with no in-app purchases.

### Do Curio or 3D Elements have ads?

Neither Curio nor 3D Elements shows ads.

### Which is updated more often, Curio or 3D Elements?

Curio ships an update every 2 months, and 3D Elements every 4 months. Most recently, Curio was updated on October 26, 2026 and 3D Elements on October 27, 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.*