# WorldData vs Shadow Self

The clearest difference is update cadence: Shadow Self at every 6 days against WorldData's every 31 months. WorldData's advantage is iOS requirement (13.2 vs 15.0). 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.

WorldData ships an update every 31 months, Shadow Self every 6 days. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | WorldData | Shadow Self |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/worlddata/id1506365990/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 34 MB | 7 MB |
| Requires iOS | **13.2** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [JUAN GIL](https://appshunter.io/developer/1068656492) | [yehuda breuer](https://appshunter.io/developer/1877033625) |

## What reviewers say

### WorldData

[App page](https://appshunter.io/ios/app/worlddata/id1506365990)

Explore global challenges and progress with accessible research and data. Visualize worldwide living conditions and environmental changes. Future updates will include more data on health, energy, and the environment.

**Highlights:** Global problem research, Data visualization, Worldwide living conditions, Environmental changes, Demography data, Future data updates

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

**In-app purchases:** none


### Shadow Self

[App page](https://appshunter.io/ios/app/shadow-self/id6759146370)

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

**In-app purchases:** none


## Frequently asked questions

### Is WorldData free?

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

### Is Shadow Self free?

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

### Do WorldData or Shadow Self have ads?

Neither WorldData nor Shadow Self shows ads.

### Which is updated more often, WorldData or Shadow Self?

WorldData ships an update every 31 months, and Shadow Self every 6 days. Most recently, WorldData was updated on October 14, 2026 and Shadow Self on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*