# 2048 UNDO Plus vs Lie Detector Truth Test

The clearest difference is ratings volume: Lie Detector Truth Test at 49K against 2048 UNDO Plus's 203. 2048 UNDO Plus's advantage is update cadence (every 3 weeks vs every 3 months) and review sentiment (68% vs 51%). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. 2048 UNDO Plus sells 1 one-off in-app purchase and Lie Detector Truth Test sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for 2048 UNDO Plus against 4.6 for Lie Detector Truth Test. That said, the two scores are not equally well evidenced: Lie Detector Truth Test has 49K ratings behind it against 203, so its average is the more settled of the two. Written reviews are what separate them: 68% of 2048 UNDO Plus's written reviews are positive against 51% of Lie Detector Truth Test's.

2048 UNDO Plus ships an update every 3 weeks, Lie Detector Truth Test every 3 months. The most recent releases landed on October 14, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 2048 UNDO Plus | Lie Detector Truth Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (203 ratings)](https://appshunter.io/ios/app/2048-undo-plus/id867458818/reviews)** | [4.6 (49K ratings)](https://appshunter.io/ios/app/lie-detector-truth-test/id1113503715/reviews) |
| Number of ratings | 203 | **49K** |
| Positive reviews | **67.7% of reviews** | 51.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 21 MB | 167 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [伟 徐](https://appshunter.io/developer/605247287) | [First Class Media B.V.](https://appshunter.io/developer/1394094946) |

## What reviewers say

### 2048 UNDO Plus

[App page](https://appshunter.io/ios/app/2048-undo-plus/id867458818)

A number puzzle game where players swipe to merge tiles with matching numbers. This version adds an undo feature to correct mistakes and offers a fresh take on the classic 2048 experience.

**Highlights:** Swipe to move tiles, Merge tiles with same numbers, Undo previous moves, Classic 2048 gameplay

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| REMOVE ADS | $0.99 | one-time |

**What reviewers like**

- 👍 Addictive gameplay
- 💡 Undo function helpful
- 🧠 Keeps brain active
- ⏱️ Great time waster
- 🤩 Fun and challenging

**What reviewers complain about**

- 😠 Annoying unstoppable ads
- 🔊 Ads with sound
- 💥 Full-screen ads frequently
- 🎶 Ads interrupt music
- 🐌 Slow response time

**Reported bugs**

- Numbers do not update
- Undo deletes numbers
- Progress not saved after exiting
- High score deleted on crash
- Tiles freeze in place

**Requested features**

- Get rid of unstoppable ads
- Dark mode option
- Leaderboard for scores
- Better instructions
- Undo button for 'New Game'


### Lie Detector Truth Test

[App page](https://appshunter.io/ios/app/lie-detector-truth-test/id1113503715)

Simulate a lie detector test using your device's screen and microphone. Analyze spoken words to determine if they are a truth or a lie, perfect for pranks and entertainment with friends and family.

**Highlights:** Fingerprint and voice scan simulation, Analyzes spoken words for truth/lie, Realistic computer voice, Prank mode, Amazing graphics and sounds, Hilarious fun

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |

**What reviewers like**

- 👍 Accurate lie detection
- 🤩 Fun and engaging
- 💡 Useful for pranking friends

**What reviewers complain about**

- 🐛 Inconsistent results
- 🤬 Too many ads
- 🤔 Questionable privacy concerns

**Reported bugs**

- Crashes on some devices
- Fingerprint scanning issues
- Incorrect results for true statements

**Requested features**

- Reduce ads
- Improve accuracy and consistency
- Add voice detection option


## Frequently asked questions

### Is 2048 UNDO Plus free?

2048 UNDO Plus is free to download, with in-app purchases available.

### Is Lie Detector Truth Test free?

Lie Detector Truth Test is free to download, with in-app purchases available.

### Which has better reviews, 2048 UNDO Plus or Lie Detector Truth Test?

2048 UNDO Plus is rated higher. 2048 UNDO Plus averages 4.7 out of 5 from 203 ratings, while Lie Detector Truth Test averages 4.6 from 49K ratings.

### Do 2048 UNDO Plus or Lie Detector Truth Test have ads?

Both 2048 UNDO Plus and Lie Detector Truth Test show ads.

### Which is updated more often, 2048 UNDO Plus or Lie Detector Truth Test?

2048 UNDO Plus ships an update every 3 weeks, and Lie Detector Truth Test every 3 months. Most recently, 2048 UNDO Plus was updated on October 14, 2026 and Lie Detector Truth Test on October 21, 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.*