Is That True? vs TMB Reference Guide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Is That True?
Test your knowledge with a fun true or false quiz game. Learn interesting facts across various categories and discover explanations for each answer. Challenge yourself and expand your understanding of the world.
- True or false quiz format
- Fact explanations provided
- Multiple categories (Animals, Plants, Geography, etc.)
- Knowledge testing
- Fun and educational gameplay
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This true or false quiz app contains all kinds of facts for you to decide whether they are true or false. After you make your decision you can see the explanation why the fact is true or false. You can have great fun and learn a lot of knowledge during the play this game. The true or false question examples are as followings: - The smallest country is Vatican. The answer is true, because Vatican is the smallest country in the world, its area is 44 hectares. - Bamboo grows faster than all the plants. The answer is true, because Bamboo grows faster than all the plants - 90 cm for a day. - The country with the highest population density is China. The answer is false, because Monaco is the country with the highest population density in the world : 16 500 persons per 1 sq km. It that interesting? In this game you can make your own decision on the quizzes whether they are true listed in the app and see whether you are right. Also you can have the answer and explanation about the question. The true or false quizzes are in different categories showing as bellow: - Animals - Plants - Person - Geography - Personality Is that true? Choose the true or false quizzes in the category that you are interested in and see how much you know about them to test your knowledge.
TMB Reference Guide
Access comprehensive reference sheets for the Too Many Bones board game. This app provides all Gearloc and Tyrant reference sheets, including a full list of skills, to enhance your gameplay experience.
- Gearloc reference sheets
- Tyrant reference sheets
- Full skill lists
- Game strategy aid
- Offline access
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Reference guide for Too Many Bones game. Contains all the Gearloc and Tyrant reference sheets with full list of skills.
Screenshots
Verdict
The clearest difference is rating: TMB Reference Guide at 5.0 against Is That True?'s 4.4. TMB Reference Guide also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 16 months). Is That True?'s advantage is in-app purchases (none vs 15) and ratings volume (14 vs 1). On price 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
Both are free to download. TMB Reference Guide sells 15 one-off in-app purchases. Is That True? asks for nothing beyond the download.
TMB Reference Guide holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Is That True? has 14 ratings behind it against 1, so its average is the more settled of the two.
Is That True? ships an update every 16 months, TMB Reference Guide every 3 weeks. The most recent releases landed on October 18, 2026 and October 5, 2026 respectively.
| Parameter | Is That True? | TMB Reference Guide |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (14 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 14 — better | 1 |
| Update frequency | Every 16 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 13 MB | 31 MB |
| Age rating | 12+ | 9+ |
| Developer | XIAOLEI LI | Petr Hejkal |
Customer experience
Is That True?
TMB Reference Guide
In-app purchases
Is That True?
No in-app purchases
TMB Reference Guide
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Questions
Is Is That True? free?
Is TMB Reference Guide free?
Which has better reviews, Is That True? or TMB Reference Guide?
Do Is That True? or TMB Reference Guide have ads?
Which is updated more often, Is That True? or TMB Reference Guide?
Other comparisons
