Comparison

LETTRO Challenges vs Durion 2

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

Head to head
About

LETTRO Challenges

Engage in a fun and addictive word game where you swipe to claim letters and dominate the board. Steal letters from your opponent to win challenges across hundreds of increasingly difficult levels. Compare your progress with friends and aim for the highest scores.

Highlights
  • Swipe to claim letters
  • Steal letters from opponent
  • Dominate over 50% of the board
  • Hundreds of levels
  • Use boosters to gain advantage
  • Compare scores with friends
Features
Read full description

2 colors, 1 winner. Hundreds of challenges to unlock ! Swipe your finger in any direction to turn words into your color, steal letters and find the best words to win challenges. A course of hundreds of levels. A brand new fun and addictive word game. Ready to challenge your brain ? ***USER GUIDE*** At every new challenge, steal letters to LETTRO to impose your color and win the game. You only need to dominate more than 50% of the board and victory is yours! Tip: Use booster and find the word which steals the most letters to Lettro at any time during the game (5 free boosters)! Collect victories and replay challenges to improve your domination on the grid! Hundreds of levels increasingly hard to unlock. ***COMPARE YOURSELF TO YOUR FACEBOOK FRIENDS*** With LETTRO Challenges, compare your scores with friends and replay challenges to be the best!

About

Durion 2

This word game challenges you to quickly form words from given letters before they disappear. Develop strategies, use drag-and-drop controls, and aim for high scores to climb the leaderboards. It offers a fun mental challenge and sharpens brain power.

Highlights
  • Extremely fun and addictive gameplay
  • Mental challenge and brain sharpening
  • Innovative and intuitive design
  • Easy-to-use interface
  • Quick drag and drop controls
  • Lots of bonuses
  • Facebook Connect for challenges
Features
Read full description

If you like word games, you’re going to love Durion. And the best part: You pay what you want! Think quickly, use the letters to make a word and beat the time limit. Develop your personal strategy, move lightning fast and rack up enough points to make the scoreboards. ***** Very addictive – a great game “Played it for 2 hours non-stop after I got it. For the 5th star they need to get the rest of German changed to English in their GUI. OK they cleaned up the language problem! This is a must play.” - iPoddian Maximus You’re looking at the screen and your mind is racing through possible words that you can make from the letters sitting there. With a fingertip, you drag and drop this letter and that to build a great scoring word in just a few seconds flat. When you first started playing Durion, you didn’t always come in under the timer but the more you play, the faster and sharper your mind seems to get. You’ve got speed and strategy, now. You’ve got game! If you want an idea of how to play Durion, think Scrabble on steroids. You’ve got only a few seconds to make the highest scoring word you can from the letters you’re given before letters disappear and are replaced by new ones. Don’t worry if you don’t like one of the letters. Just throw it away, but take care! They produce minus points! Keep honing your skills, mighty word builder and you can get your name on the scoreboards for the world to see. Check out the Durion features! * Extremely fun and addictive! * Provides mental challenge and sharpens brain power * Innovative and intuitive * Easy-to-use interface * Quick drag and drop controls * Lots of bonuses! Why are you sitting there missing out on all the fun? Download Durion now for fast, stimulating game action. Once you’re hooked, you’ll want to use the app’s Facebook Connect feature to challenge your friends and brag about your high scores. Think they can do as well as you? Have fun sharpening your skills. We’ll be watching for you on the Durion leaderboards!

Screenshots

LETTRO Challenges4 screens
Durion 24 screens

Verdict

The call

The clearest difference is review sentiment: LETTRO Challenges at 43% against Durion 2's 11%. LETTRO Challenges also leads on update cadence (every 3 weeks vs every 34 months) and iOS requirement (8.0 vs 11.0). Durion 2's advantage is monetization model (free vs free with in-app purchases). On price, ads, in-app purchases 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. LETTRO Challenges sells 10 one-off in-app purchases and Durion 2 sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

LETTRO Challenges ships an update every 3 weeks, Durion 2 every 34 months. Both last shipped on November 1, 2026.

Scorecard4 real differences · 6 level
LETTRO Challenges versus Durion 2: the parameters behind the verdict, then further details
ParameterLETTRO ChallengesDurion 2
PriceFreeFree
Rating3.8 (21 ratings) — better—
Positive reviews43.5% of reviews — better11.1% of reviews
Number of ratings21 — better—
Update frequencyEvery 3 weeks — betterEvery 34 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better11.0
Further details — not scored
Size54 MB9 MB
Age rating12+4+
DeveloperY A QU Aentwicklungsschmiede UG & Co KG

Customer experience

LETTRO Challenges

All ratings21 ratings
Positive76.2%
Neutral4.8%
Negative19.0%
Written reviews138 reviews
Positive43.5%
Neutral13.8%
Negative42.8%

Durion 2

Written reviews9 reviews
Positive11.1%
Neutral44.4%
Negative44.4%

Bugs and requests

LETTRO Challenges

Reported bugs

10 issues
  • Ads pop up excessively
  • Game freezes or crashes phone
  • AI makes up words not in dictionary
  • Declines valid words
  • Draws count as losses
Show 5 more
  • Screen fades to black during gameplay
  • Phone freezes when exiting game
  • AI timer issues
  • Game locks up phone
  • AI uses questionable words

Requested features

8 requests
  • Option to play against other people
  • Add a dictionary feature
  • Broader word acceptance
  • Easy/medium/hard difficulty options
  • More lives or challenges to gain lives
Show 3 more
  • Multiplayer without Facebook integration
  • Save progress across devices
  • Remove the life system or extend wait times

Durion 2

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

LETTRO Challenges

One-time10
  • Lives Pack 1$0.99
  • 5 boosters$0.99
  • Extra-time: 2 minutes$0.99
Show 7 more
  • 10 boosters$1.99
  • Lives pack 2$1.99
  • Extra-time: 5 minutes$1.99
  • 25 boosters$3.99
  • Lives Pack 3$3.99
  • 50 boosters$7.99
  • Extra-time: 30 minutes$7.99
3 purchases

Durion 2

One-time3
  • Price Tier 1$0.99
  • Price tier 2$0.99
  • Price tier 3$2.99

Questions

Is LETTRO Challenges free?
LETTRO Challenges is free to download, with in-app purchases available.
Is Durion 2 free?
Durion 2 is free to download, with in-app purchases available.
Do LETTRO Challenges or Durion 2 have ads?
Neither LETTRO Challenges nor Durion 2 shows ads.
Which is updated more often, LETTRO Challenges or Durion 2?
LETTRO Challenges ships an update every 3 weeks, and Durion 2 every 34 months. Most recently, LETTRO Challenges was updated on November 1, 2026 and Durion 2 on November 1, 2026.

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