Comparison

World History Documents vs TempVerter DB

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

Head to head
About

World History Documents

Access a vast collection of 350 primary source documents and speeches spanning world history. Explore historical texts, including religious scriptures and famous addresses, with explanations of their significance. Save, email, and search documents easily.

Highlights
  • 350+ primary source documents
  • 19 audio/video recordings
  • Categorized by time period
  • Dedicated sections for regions/topics
  • Full text search functionality
  • Save to favorites
  • Email documents
Features
Read full description

WORLD HISTORY DOCUMENTS includes 350 primary source documents and speeches written throughout the course of World History. From the Bible to Obama’s Nobel Acceptance Speech, this application covers the breadth and depth of world history. WORLD HISTORY DOCUMENTS also includes 19 audio and video recordings of famous speeches and addresses. All of the documents in WORLD HISTORY DOCUMENTS can be saved to "favorites" or e-mailed. The program is divided by time periods, and contains a translation of the Hebrew Bible, the New Testament and the Koran. Each document includes an explanation of the importance of that document. Beyond the chronological listings, there are separate sections on British, French, Middle East and United States documents. There is also a section of documents on the laws of war and the speeches of Winston Churchill. Audio and video clips of famous historical personalities in the program include: Benito Mussolini, Neville Chamberlain, Adolf Hitler, Franklin Roosevelt, Winston Churchill, Charles Degaulle, Fidel Castro, David Ben Gurion, John F Kennedy, Anwar Sadat, Menachem Begin and more. Each document entry in WORLD HISTORY DOCUMENTS includes an explanation of the significance of the treaty, law, section of the Bible or key points of a speech. Documents can be accessed chronologically, or often by groups. You can also do a full text search of all of the documents Effortlessly search for any document, save favorites, as well e-mail documents to friends and colleagues. Leveraging over 20 years of research and development, this is MultiEducator's second application in the company's new line of History on-the-Go products.

About

TempVerter DB

This app instantly converts temperatures between Celsius, Fahrenheit, and Kelvin as you type. It also includes a vast scientific database with over 225 important temperature references across various fields.

Highlights
  • Instant temperature conversion (C, F, K)
  • Extensive scientific temperature database
  • 225+ reference temperatures
  • Covers astronomy, biology, chemistry, physics, and more
  • Temperatures provided in C, F, and K
  • Copy temperature values to clipboard
Features
Read full description

TempVerter DB is a temperature converter that also features a huge scientific temperature database. TempVerter DB converts temperatures to Fahrenheit, Celsius, and Kelvin on the fly as you type. The extensive built-in reference database contains over 220 important temperatures in the fields of astronomy, biology, chemistry, health, Earth science, climate change, physics, materials science, and more. Features: • Instantly converts temperatures to and from Celsius, Fahrenheit, and Kelvin on the fly as you enter them. • Reference database contains 225 important temperatures in the fields of astronomy, biology, health, Earth science, climate change, physics, materials science, cooking & food safety, and more. • Each database entry is given in Celsius, Fahrenheit, and Kelvin. • Copy button copies temperature values to the pasteboard for pasting into other app(s).

Screenshots

World History Documents4 screens
TempVerter DB4 screens

Verdict

The call

The clearest difference is in-app purchases: TempVerter DB at none against World History Documents's 1. TempVerter DB also leads on review sentiment (100% vs 67%) and update cadence (every 6 weeks vs every 11 months). On price, ads, monetization model and device support 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. World History Documents sells 1 one-off in-app purchase. TempVerter DB asks for nothing beyond the download.

UpkeepUpdate frequency

World History Documents ships an update every 11 months, TempVerter DB every 6 weeks. The most recent releases landed on October 8, 2026 and September 28, 2026 respectively.

Scorecard4 real differences · 6 level
World History Documents versus TempVerter DB: the parameters behind the verdict, then further details
ParameterWorld History DocumentsTempVerter DB
PriceFreeFree
Rating—4.8 (17 ratings) — better
Positive reviews66.7% of reviews100.0% of reviews — better
Number of ratings—17 — better
Update frequencyEvery 11 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.012.0 — better
Further details — not scored
Size109 MB24 MB
Age rating4+4+
DeveloperHistorycentral.comMichael Stebel

Customer experience

World History Documents

Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

TempVerter DB

All ratings17 ratings
Positive94.1%
Neutral5.9%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

World History Documents

One-time1
  • Full World History$1.99
None

TempVerter DB

No in-app purchases

Questions

Is World History Documents free?
World History Documents is free to download, with in-app purchases available.
Is TempVerter DB free?
TempVerter DB is free to download, with no in-app purchases.
Do World History Documents or TempVerter DB have ads?
Neither World History Documents nor TempVerter DB shows ads.
Which is updated more often, World History Documents or TempVerter DB?
World History Documents ships an update every 11 months, and TempVerter DB every 6 weeks. Most recently, World History Documents was updated on October 8, 2026 and TempVerter DB on September 28, 2026.

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