Comparison

Caliphates Encyclopedia vs Vocab

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

Head to head
About

Caliphates Encyclopedia

Features
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Delve into the Islamic world history. A full list of Caliphs that spans over thirteen centuries. Powerful listing options include: Browse by by name, by period, by capital, shortest/longest term, oldest/youngest elected, shortest/longest lived, abdicated, deposed, assassinated, or list all. A statistics option as well for by period, and by capital. Sort options by Name, Capital, Order, Term Length, Age Elected, Age at death. A details view is provided for every caliph, with a more button to view a more complete profile on the web. With over a hundred caliphs over 13 centuries, including the Rashidi, Umayyad, Abbasid, and Ottoman periods, it's a great tool for all the Islamic history lovers, and any knowledge loving person. A share button on the main screeen lets you share the app's website so your friends can install it too. FadiSoft icon on credits page lists all apps by FadiSoft.

About

Vocab

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Vocab is Tinder, but to boost your vocab. Swipe, learn, and expand your word power in a fun, interactive way. We believe building a strong vocabulary should be exciting—not boring. That’s why Vocab makes learning easy, fun, and effective—with a simple design that keeps you hooked. Master new words with our fun flashcard game—designed to make learning quick, easy, and rewarding! Plus, we’re always working on new ways to help you grow even further. Got ideas or feedback? We’d love to hear from you at contact@mindelllab.com. Vocab is your daily dose of words—here to help YOU speak smarter and express yourself with confidence.

Screenshots

Caliphates Encyclopedia4 screens
Vocab4 screens

Verdict

The call

The clearest difference is price: Vocab at Free against Caliphates Encyclopedia's $0.99. Caliphates Encyclopedia's advantage is update cadence (every 5 weeks vs every 16 months). On ads, in-app purchases, 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

Vocab is free to download; Caliphates Encyclopedia costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Caliphates Encyclopedia ships an update every 5 weeks, Vocab every 16 months. Both last shipped on October 25, 2026.

Scorecard2 real differences · 4 level
Caliphates Encyclopedia versus Vocab: the parameters behind the verdict, then further details
ParameterCaliphates EncyclopediaVocab
Price$0.99Free — better
Update frequencyEvery 5 weeks — betterEvery 16 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size82 MB25 MB
Age rating4+17+
DeveloperFadiSoft Inc.Asadbek Noyibjonov

In-app purchases

None

Caliphates Encyclopedia

No in-app purchases

None

Vocab

No in-app purchases

Questions

Is Caliphates Encyclopedia free?
Caliphates Encyclopedia costs $0.99, with no in-app purchases.
Is Vocab free?
Vocab is free to download, with no in-app purchases.
Do Caliphates Encyclopedia or Vocab have ads?
Neither Caliphates Encyclopedia nor Vocab shows ads.
Which is updated more often, Caliphates Encyclopedia or Vocab?
Caliphates Encyclopedia ships an update every 5 weeks, and Vocab every 16 months. Most recently, Caliphates Encyclopedia was updated on October 25, 2026 and Vocab on October 25, 2026.

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