Comparison

2048 UNDO Plus vs Lie Detector Truth Test

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

Head to head
About

2048 UNDO Plus

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
Read full description

Undo your silly moves with new 2048! 2048 is inspired by Gabriele Cirulli’s web game 2048. All you need to do is swipe to move the tiles. When two tiles with the same number touch, they merge into one. Get your 2048 now!

About

Lie Detector Truth Test

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
Read full description

The best truth and lie detector test app. Download now! Place your fingers on the screen and say something to find out if it is a truth or a lie. Make your friends and family laugh by saying funny things and finding out if they are true or false! Features: - Lie detector analyses what you say - Amazing graphics and sounds - Realistic computer voice - Prank mode - Hours of hilarious fun! Disclaimer: This lie detector app is intended for entertainment purposes only and does not provide real truth detector functionality.

Screenshots

2048 UNDO Plus1 screens
Lie Detector Truth Test2 screens

Verdict

The call

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.

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. 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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
2048 UNDO Plus versus Lie Detector Truth Test: the parameters behind the verdict, then further details
Parameter2048 UNDO PlusLie Detector Truth Test
PriceFreeFree
Rating4.7 (203 ratings) — better4.6 (49K ratings)
Positive reviews67.7% of reviews — better51.1% of reviews
Number of ratings20349K — better
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size21 MB167 MB
Age rating4+12+
Developer伟 徐First Class Media B.V.

Customer experience

2048 UNDO Plus

All ratings203 ratings
Positive94.1%
Neutral3.0%
Negative3.0%
Written reviews65 reviews
Positive67.7%
Neutral10.8%
Negative21.5%

Lie Detector Truth Test

All ratings49,052 ratings
Positive88.8%
Neutral4.1%
Negative7.1%
Written reviews1,108 reviews
Positive51.1%
Neutral5.6%
Negative43.3%

User reviews

2048 UNDO Plus

From 203 App Store ratings

What we love

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

Room to improve

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

Lie Detector Truth Test

From 49K App Store ratings

What we love

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

Room to improve

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

Bugs and requests

2048 UNDO Plus

Reported bugs

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

Requested features

6 requests
  • Get rid of unstoppable ads
  • Dark mode option
  • Leaderboard for scores
  • Better instructions
  • Undo button for 'New Game'
Show 1 more
  • Stats/statistics feature

Lie Detector Truth Test

Reported bugs

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

Requested features

3 requests
  • Reduce ads
  • Improve accuracy and consistency
  • Add voice detection option

In-app purchases

1 purchases

2048 UNDO Plus

One-time1
  • REMOVE ADS$0.99
1 purchases

Lie Detector Truth Test

One-time1
  • Remove ads$1.99

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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