Comparison

LETTRO Challenges vs GuessWhat · Devine l'image

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

GuessWhat · Devine l'image

A daily photo guessing game where players reveal a hidden image piece by piece to score points. Compete with friends in live challenges and track your progress through seasons and badges.

Highlights
  • Daily mystery photo
  • Timed grid reveals
  • Seasonal competitions
  • Live friend challenges
  • Progress tracking
  • User-suggested photos
Features
Read full description

GuessWhat, c'est LE jeu photo à partager en famille et entre amis. Chaque jour, une nouvelle photo mystère apparaît, cachée sous une grille de 100 cases. D'heure en heure, la grille se lève petit à petit — et le premier qui devine remporte un max de points. Plus tu trouves tôt, plus tu marques. C'est simple, rapide et terriblement addictif. LE PRINCIPE · Une photo par jour, 24h pour la deviner · La grille se dévoile toutes les heures entre 7h et 22h · 200 pts à 7h, 30 pts à 22h — tu sens la pression ? · Une seule tentative par heure : réfléchis bien SAISONS & BADGES Tous les 2 mois, une nouvelle saison démarre et les compteurs repartent à zéro. Les 3 meilleurs joueurs décrochent une médaille Or, Argent ou Bronze à afficher sur leur avatar — toute l'année. DÉFIE TES AMIS EN LIVE Crée un salon, invite tes potes, lancez ensemble une série de photos chronométrées. Qui sera le plus rapide sur la gâchette ? Parfait pour un apéro, un trajet en famille ou une pause au boulot. ENTRE AMIS · Ajoute tes potes et suis leur progression · Compare ton score sur le classement global OU entre amis · Notifications quand tu reçois une demande d'ami TES RITUELS QUOTIDIENS · Notification à 7h dès que la photo du jour est dispo · Digest dominical pour voir ta position de la semaine · Alerte à chaque nouvelle saison · Contrôle fin depuis les réglages : tout est désactivable UN CATALOGUE VARIÉ Animaux, lieux, nourriture, films, célébrités, sport… La catégorie change chaque jour. Tu peux même suggérer tes propres photos pour alimenter le jeu. PENSÉ POUR TOUT LE MONDE · Gratuit, sans pubs intrusives · Pas de compétence spéciale requise — juste ton œil · 2 minutes par jour suffisent · Connexion Google, Apple, Facebook ou email Télécharge GuessWhat et tente la médaille d'or de la saison ! --- Confidentialité : https://www.guesswhat.top/confidentialite Support : contact@chalab.fr

Screenshots

LETTRO Challenges4 screens
GuessWhat · Devine l'image4 screens

Verdict

The call

The clearest difference is review sentiment: GuessWhat · Devine l'image at 100% against LETTRO Challenges's 43%. GuessWhat · Devine l'image also leads on in-app purchases (none vs 10) and update cadence (every 2 days vs every 3 weeks). LETTRO Challenges's advantage is iOS requirement (8.0 vs 15.0). On price, ads 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. GuessWhat · Devine l'image asks for nothing beyond the download.

UpkeepUpdate frequency

LETTRO Challenges ships an update every 3 weeks, GuessWhat · Devine l'image every 2 days. The most recent releases landed on October 17, 2026 and September 27, 2026 respectively.

Scorecard5 real differences · 5 level
LETTRO Challenges versus GuessWhat · Devine l'image: the parameters behind the verdict, then further details
ParameterLETTRO ChallengesGuessWhat · Devine l'image
PriceFreeFree
Rating3.8 (21 ratings) — better—
Positive reviews43.5% of reviews100.0% of reviews — better
Number of ratings21 — better—
Update frequencyEvery 3 weeksEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS8.0 — better15.0
Further details — not scored
Size54 MB71 MB
Age rating12+4+
DeveloperY A QU AXavier LABEUR

Customer experience

LETTRO Challenges

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

GuessWhat · Devine l'image

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

GuessWhat · Devine l'image

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
None

GuessWhat · Devine l'image

No in-app purchases

Questions

Is LETTRO Challenges free?
LETTRO Challenges is free to download, with in-app purchases available.
Is GuessWhat · Devine l'image free?
GuessWhat · Devine l'image is free to download, with no in-app purchases.
Do LETTRO Challenges or GuessWhat · Devine l'image have ads?
Neither LETTRO Challenges nor GuessWhat · Devine l'image shows ads.
Which is updated more often, LETTRO Challenges or GuessWhat · Devine l'image?
LETTRO Challenges ships an update every 3 weeks, and GuessWhat · Devine l'image every 2 days. Most recently, LETTRO Challenges was updated on October 17, 2026 and GuessWhat · Devine l'image on September 27, 2026.

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