# World Factbook + vs UNdata

The clearest difference is ads: UNdata at none against World Factbook +'s shown. UNdata also leads on monetization model (free vs ad-supported) and iOS requirement (12.0 vs 15.6). World Factbook +'s advantage is ratings volume (81 vs 11) and review sentiment (62% vs 53%). On price, rating, update cadence and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.4 for World Factbook + against 4.5 for UNdata. That said, the two scores are not equally well evidenced: World Factbook + has 81 ratings behind it against 11, so its average is the more settled of the two. Written reviews are what separate them: 62% of World Factbook +'s written reviews are positive against 53% of UNdata's.

World Factbook + ships an update every 5 months, UNdata every 4 months. The most recent releases landed on October 29, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | World Factbook + | UNdata |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (81 ratings)](https://appshunter.io/ios/app/world-factbook-plus/id365698483/reviews) | **[4.5 (11 ratings)](https://appshunter.io/ios/app/undata/id505192468/reviews)** |
| Number of ratings | **81** | 11 |
| Positive reviews | **62.4% of reviews** | 52.8% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Ad-supported | **Free** |
| Size | 33 MB | 26 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Appventions](https://appshunter.io/developer/340827684) | [United Nations](https://appshunter.io/developer/439971125) |

## What reviewers say

### World Factbook +

[App page](https://appshunter.io/ios/app/world-factbook-plus/id365698483)

Access comprehensive information on over 170 countries, including population, geography, government, economy, culture, and history. Features include reference maps, dynamic online maps, country flags, and side-by-side comparisons. Ideal for students, travelers, teachers, and trivia enthusiasts seeking to learn about the world.

**Highlights:** In-depth data on 170+ countries, Population, area, and geographic coordinates, Government, capital cities, and economy (GDP), Languages, culture, and history, Reference and dynamic online maps, Country flags and comparisons

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

**In-app purchases:** none

**What reviewers like**

- 📚 Comprehensive world facts and country information
- ⚡ Quick and easy access to concise data
- 👍 User-friendly interface and clear presentation
- 🎓 Educational value for students and travelers
- 🆓 Free app with useful content

**What reviewers complain about**

- ⏰ Severely outdated information (data from 2017-2018)
- 🚫 Limited country coverage (only A-L in free version)
- 🐛 App crashes on older iOS versions
- 📱 Portrait-only orientation (not landscape)
- 💰 Aggressive upselling and upgrade prompts

**Reported bugs**

- App crashes immediately on iOS 7.1.2 and older devices
- App disappears from screen upon opening
- Requires data plan or WiFi to function
- Incompatible with older iPhone models
- Countries beyond letter L not displaying

**Requested features**

- Update information to 2024/2025
- Include all countries (M-Z)
- Add landscape mode support
- More frequent regular updates
- Annual information updates


### UNdata

[App page](https://appshunter.io/ios/app/undata/id505192468)

Access a comprehensive collection of key statistical indicators from the United Nations on your mobile device. Explore general, economic, social, and environmental data for over 200 countries and regions through an intuitive interface.

**Highlights:** Access to key statistical indicators, Data for 30+ regions and 200+ countries, Organized into 4 sections, Multilingual support (English, French, Spanish), Simple and easy-to-use interface, Latest data based on 2025 edition

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

**In-app purchases:** none


## Frequently asked questions

### Is World Factbook + free?

World Factbook + is free to download, with no in-app purchases.

### Is UNdata free?

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

### Which has better reviews, World Factbook + or UNdata?

UNdata is rated higher. World Factbook + averages 4.4 out of 5 from 81 ratings, while UNdata averages 4.5 from 11 ratings.

### Do World Factbook + or UNdata have ads?

World Factbook + shows ads; UNdata does not.

### Which is updated more often, World Factbook + or UNdata?

World Factbook + ships an update every 5 months, and UNdata every 4 months. Most recently, World Factbook + was updated on October 29, 2026 and UNdata on October 23, 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.*