# WorldHeritageDict vs SPHERE OS

The clearest difference is update cadence: SPHERE OS at every 3 weeks against WorldHeritageDict's every 5 months. WorldHeritageDict's advantage is iOS requirement (9.1 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.

WorldHeritageDict ships an update every 5 months, SPHERE OS every 3 weeks. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | WorldHeritageDict | SPHERE OS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/sphere-os/id1579848717/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 20 MB | 951 MB |
| Requires iOS | **9.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JHEN-HUA CHEN](https://appshunter.io/developer/923852475) | [LNSOFT](https://appshunter.io/developer/1137904140) |

## What reviewers say

### WorldHeritageDict

[App page](https://appshunter.io/ios/app/worldheritagedict/id1071652243)

**Features:** macOS Compatibility

**In-app purchases:** none


### SPHERE OS

[App page](https://appshunter.io/ios/app/sphere-os/id1579848717)

Explore Earth's dynamic systems with an interactive digital globe. Visualize real-time data like cloud cover, seismic activity, and pollution, and engage through voice commands, gestures, and augmented reality. This tool transforms learning about our planet for educational and exhibition purposes.

**Highlights:** Real-time scientific data visualization, Voice recognition for navigation, Gesture-based globe control, Augmented Reality (AR) mode, QR code content integration, Customizable playlists for presentations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WorldHeritageDict free?

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

### Is SPHERE OS free?

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

### Do WorldHeritageDict or SPHERE OS have ads?

Neither WorldHeritageDict nor SPHERE OS shows ads.

### Which is updated more often, WorldHeritageDict or SPHERE OS?

WorldHeritageDict ships an update every 5 months, and SPHERE OS every 3 weeks. Most recently, WorldHeritageDict was updated on October 11, 2026 and SPHERE OS on October 12, 2026.

---

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