Atlas vs Tutorial for Ruby
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Atlas
Explore detailed world maps and essential country facts offline. Access political maps, regional views, and comprehensive country profiles including population, languages, and GDP. Perfect for students, travelers, and curious minds.
- Detailed political world map
- Regional maps
- Country profiles
- National flags
- Offline access
- Quick reference maps
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Discover the world in the palm of your hand. Atlas: Maps & Facts offers detailed, up-to-date maps and essential facts for over 250 countries and territories — all accessible offline, anytime, anywhere. Key Features – High-resolution political world map – Regional maps: North & Central America, South America, Europe, Africa, the Middle East, Asia, Southeast Asia, and Oceania – Country profiles with population, languages, government, GDP, and more – National flags of over 250 world entities – Quick reference maps for fast lookups – 100% offline access – no internet needed Whether you're a student, traveler, or lifelong learner, Atlas: Maps & Facts turns your iPad into a powerful world reference tool.
Tutorial for Ruby
Learn the Ruby programming language with this comprehensive tutorial. Explore its object-oriented features, syntax, and similarities to other popular scripting languages. Ideal for aspiring programmers.
- Ruby programming language tutorial
- Object-oriented programming concepts
- Syntax explanations
- Comparison with other languages (Python, Perl, Smalltalk)
- Interview preparation
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Ruby is a pure object-oriented programming language. It was created in 1993 by Yukihiro Matsumoto。 Ruby is "A Programmer's Best Friend". Ruby has features that are similar to those of Smalltalk, Perl, and Python. Perl, Python, and Smalltalk are scripting languages. Smalltalk is a true object-oriented language. Ruby, like Smalltalk, is a perfect object-oriented language. Using Ruby syntax is much easier than using Smalltalk syntax. The app provide the Tutorial of Ruby.
Screenshots
Verdict
The clearest difference is review sentiment: Tutorial for Ruby at 100% against Atlas's 29%. Tutorial for Ruby also leads on ads (none vs shown) and device support (3 vs 1). Atlas's advantage is price (Free vs $1.99) and update cadence (every 3 months vs every 32 months). On in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Atlas is free to download; Tutorial for Ruby costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Atlas ships an update every 3 months, Tutorial for Ruby every 32 months. The most recent releases landed on September 23, 2026 and September 8, 2026 respectively.
| Parameter | Atlas | Tutorial for Ruby |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.6 (366 ratings) — better | — |
| Positive reviews | 29.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 366 — better | — |
| Update frequency | Every 3 months — better | Every 32 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported — better | Paid |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 137 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Appventions | 强 马 |
Customer experience
Atlas
Tutorial for Ruby
Bugs and requests
Atlas
Reported bugs
3 issues- Incompatible with newer iOS versions
- Crashes and freezes
- Incorrect or missing geographical data
Requested features
5 requests- Ability to zoom and pan maps
- More detailed maps with regional information
- Offline mode
- Interactive features like tapping on countries
- Regularly updated content
Tutorial for Ruby
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Atlas
No in-app purchases
Tutorial for Ruby
No in-app purchases
