Comparison

First Millennium Encyclopedia vs EcoBear

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

First Millennium Encyclopedia

This educational app provides comprehensive historical information about the First Millennium through engaging articles and HD photos. It's designed for all ages, offering an offline experience with a badge collection system to encourage learning.

Highlights
  • Thousands of articles and HD photos
  • Offline access
  • Badge collection system
  • Simple organization and UI
  • Suitable for all ages
  • Available on iPhone and iPad
Features
Read full description

Explore the first thousand years CE through empires, cultures, events and the transition from antiquity to the Middle Ages. MORE IMAGES, COMPLETE CREDITS Explore additional openly licensed and public-domain photos and illustrations. Image source, creator and licence credits are available offline in the app. 124 illustrated reference articles. CHOOSE YOUR FREE READING New readers choose five distinct articles from the library. Chosen articles stay unlocked and can be revisited without spending another choice. Existing readers keep their previous allowance, and eligible earlier purchases remain protected. EXPLORE AND RETURN Search article titles and full text. Discover connections through maps, timelines and graphs where the collection has relevant information. Save articles and return to recent reading or your last reading position. Optional reminders help you return to the library. OFFLINE ENCYCLOPEDIA One-time ownership unlocks the full encyclopedia for offline reading. Eligible historical purchases can be restored from Restore Purchases in Settings or on the upgrade screen. PREMIUM AI Premium includes full offline access and AI chat about this encyclopedia’s subject. Chat requires internet access. Monthly and annual subscriptions offer a three-day introductory trial for eligible new subscribers. Prices and billing periods appear on the purchase screen. Subscriptions renew automatically unless canceled through your App Store account; trials are subject to Apple eligibility. SOURCES AND SUPPORT Reference text and images are drawn from licensed sources including Wikipedia and Wikimedia Commons. Source, author and license credits are available in the app. AI answers can be wrong and should be checked against the referenced articles. Privacy Policy: https://goodspider.net/privacy-policy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Support: https://goodspider.net/support/

About

EcoBear

Features
Read full description

EcoBear is a fun and engaging quiz-based learning app designed to boost your knowledge of sustainability, from core fundamentals to professional topics like carbon accounting and sustainability law. Whether you're just starting your sustainability journey or already working in the field, EcoBear makes learning enjoyable and accessible! Build your foundation with six fundamentals courses covering the evolution of sustainability, planetary boundaries, social foundations, systems thinking, and sustainability strategies. Then dive into the growing Quick Picks collection for focused, professional-grade topics: Sustainability and AI, Sustainability Law and Regulation, Carbon Accounting in Practice, Sustainable Finance and ESG, Circular Economy in Practice, and Life-Cycle Assessment Fundamentals — twelve free courses in all. Key Features: - Quiz-based, bite-sized lessons on sustainability topics - Audio narration for every lesson so you can learn on the go - Earn shareable certificates for completed courses - A new quiz question every day, plus daily goals, streaks, and badges to keep you on track - Smart review that resurfaces questions right before you'd forget them - Built-in sustainability glossary and note-taking Everything works offline — no account, no sign-up! Join EcoBear today and embark on your journey to eco-awareness — one quiz at a time!

Screenshots

First Millennium Encyclopedia4 screens
EcoBear4 screens

Verdict

The call

The clearest difference is in-app purchases: EcoBear at none against First Millennium Encyclopedia's 3. EcoBear also leads on update cadence (every 10 days vs every 3 weeks). On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. First Millennium Encyclopedia sells 3 in-app purchases, starting at $2.99 per month. EcoBear asks for nothing beyond the download.

UpkeepUpdate frequency

First Millennium Encyclopedia ships an update every 3 weeks, EcoBear every 10 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
First Millennium Encyclopedia versus EcoBear: the parameters behind the verdict, then further details
ParameterFirst Millennium EncyclopediaEcoBear
PriceFreeFree
Rating5.0 (9 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings9 — better—
Update frequencyEvery 3 weeksEvery 10 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size162 MB75 MB
Age rating17+4+
DeveloperGood Spider, LLCJarkko Lagus

In-app purchases

3 purchases

First Millennium Encyclopedia

Subscriptions2
  • Monthly Premium3 Days trial$2.991 Month
  • Annual Premium3 Days trial$19.991 Year
One-time1
  • Full Version$9.99
None

EcoBear

No in-app purchases

Questions

Is First Millennium Encyclopedia free?
First Millennium Encyclopedia is free to download, with in-app purchases available.
Is EcoBear free?
EcoBear is free to download, with no in-app purchases.
Do First Millennium Encyclopedia or EcoBear have ads?
Neither First Millennium Encyclopedia nor EcoBear shows ads.
Which is updated more often, First Millennium Encyclopedia or EcoBear?
First Millennium Encyclopedia ships an update every 3 weeks, and EcoBear every 10 days. Most recently, First Millennium Encyclopedia was updated on November 2, 2026 and EcoBear on October 31, 2026.

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