# Is That True? vs TMB Reference Guide

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.

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.

## The numbers

| Metric | Is That True? | TMB Reference Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (14 ratings)](https://appshunter.io/ios/app/is-that-true-true-or-false/id1488249415/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tmb-reference-guide/id6483254489/reviews)** |
| Number of ratings | **14** | 1 |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 16 months | **Every 3 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 13 MB | 31 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 9+ |
| Developer | [XIAOLEI LI](https://appshunter.io/developer/806257827) | [Petr Hejkal](https://appshunter.io/developer/1020261739) |

## What reviewers say

### Is That True?

[App page](https://appshunter.io/ios/app/is-that-true-true-or-false/id1488249415)

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.

**Highlights:** True or false quiz format, Fact explanations provided, Multiple categories (Animals, Plants, Geography, etc.), Knowledge testing, Fun and educational gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### TMB Reference Guide

[App page](https://appshunter.io/ios/app/tmb-reference-guide/id6483254489)

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.

**Highlights:** Gearloc reference sheets, Tyrant reference sheets, Full skill lists, Game strategy aid, Offline access

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trover | $0.99 | one-time |
| The Automaton of Shale | $0.99 | one-time |
| Ghillie | $1.99 | one-time |
| Nugget | $1.99 | one-time |
| Gasket | $1.99 | one-time |
| Static | $1.99 | one-time |
| Polaris | $1.99 | one-time |
| Carcass | $1.99 | one-time |
| Dart | $1.99 | one-time |
| Riffle | $1.99 | one-time |
| Lab Rats | $1.99 | one-time |
| Splice & Dice | $2.99 | one-time |
| Undertow | $6.99 | one-time |
| Unbreakable | $6.99 | one-time |
| All-in | $19.99 | one-time |


## Frequently asked questions

### Is Is That True? free?

Is That True? is free to download, with no in-app purchases.

### Is TMB Reference Guide free?

TMB Reference Guide is free to download, with in-app purchases available.

### Which has better reviews, Is That True? or TMB Reference Guide?

TMB Reference Guide is rated higher. Is That True? averages 4.4 out of 5 from 14 ratings, while TMB Reference Guide averages 5.0 from 1 ratings.

### Do Is That True? or TMB Reference Guide have ads?

Is That True? shows ads; TMB Reference Guide does not.

### Which is updated more often, Is That True? or TMB Reference Guide?

Is That True? ships an update every 16 months, and TMB Reference Guide every 3 weeks. Most recently, Is That True? was updated on October 18, 2026 and TMB Reference Guide on October 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*