Comparison

Word Abacus vs Number Grid Challenge

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

Head to head
About

Word Abacus

Engage your mind with a unique word puzzle game that combines strategy and relaxation. Connect letters to form words and then slide them like an abacus to discover new combinations and hidden words. This is a calm, skill-based challenge for thoughtful players.

Highlights
  • Unique sliding letter mechanic
  • Endless word possibilities
  • Improves vocabulary and spelling
  • Works offline
  • No time limits
  • In-game word hints (Premium)
Features
Read full description

*** Word Abacus — Relaxing Word Puzzle Game *** Train your brain and expand your vocabulary with a unique word game that blends relaxing gameplay and clever strategy. Connect adjacent letters to form words, then slide the beads like an abacus to create new combinations and discover more hidden words. This isn’t a fast-paced arcade puzzle — it’s a calm, skill-based challenge designed for thoughtful players who enjoy classic word search, crossword, and letter puzzle games. Features - Unique sliding letter mechanic - Endless word possibilities - Improves vocabulary and spelling - Works offline anytime - No time limits. No stress. Just you and your vocabulary. If you enjoy word puzzles, brain teasers, vocabulary games, or relaxing letter games, Word Abacus is your next favorite challenge. *** In-Game Word Hints *** Available exclusively in the Premium version, Word Hints provide helpful assistance when you’re stuck and looking for inspiration. You can activate this feature anytime via Help/Settings → Word Hints. Once enabled, simply tap the question-mark button in the bottom-right corner of the game board to reveal a possible word you can form from the current letters. Important: Requesting a word hint in a game disables scoring for that round. This keeps the gameplay fair and rewards players who complete puzzles entirely on their own. *** Free vs. Premium Version ** Word Abacus is completely playable for free and includes all core gameplay features without restrictions. The free version is supported by advertisements shown during play. By viewing these ads, you help support ongoing development and updates — thank you for that! For players who prefer an uninterrupted experience, an optional Premium upgrade is available as a one-time in-app purchase. Premium includes: - Ad-free gameplay for full focus and relaxation - Access to in-game Word Hints for extra assistance when needed The choice is yours: enjoy the full game for free, or upgrade for an enhanced, distraction-free experience.

About

Number Grid Challenge

Features
Read full description

Welcome to "Number Grid Challenge", an exciting game that will test your ability to arrange numbers in ascending order to complete rows and columns! Objective of the game: Your goal in "Number Grid" is to fill the 3x3 or 4x4 grid with the random generated numbers between 1 and 999 in order to get rows and columns sorted in ascending order, always starting from left to right. How to play: - Game Grid: The game is played on a 3x3 (or 4x4) grid, for a total of 9 squares. Each box can contain a number between 1 and 999. - Random Numbers: On each turn, you will be randomly assigned a number between 1 and 999. Your task will be to place this number in one of the empty squares of the grid. - Sort Ascending: Whenever you enter a number, make sure the row and column where you placed the number are sorted in ascending order from left to right. - Strategy and attention: Use your cunning and carefully plan your movements. As you go, things may get complicated, and you'll need to be careful not to get stuck with numbers that don't fit into the required ordering. - Victory: To win the game, complete the grid so that all rows and columns are sorted in ascending order. - Challenge yourself and others: Try to improve your score every time you play, trying to complete the grid in as few moves as possible. "Number Grid" is an addictive and challenging game that will test your ability of logical and strategic thinking. Make the right decisions, keep the ascending order in the grid and challenge yourself to reach the maximum score. Good fun!

Screenshots

Word Abacus1 screens
Number Grid Challenge3 screens

Verdict

The call

The clearest difference is in-app purchases: Number Grid Challenge at none against Word Abacus's 1. Number Grid Challenge also leads on update cadence (every 4 days vs monthly). Word Abacus's advantage is iOS requirement (9.3 vs 11.0). 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. Word Abacus sells 1 one-off in-app purchase. Number Grid Challenge asks for nothing beyond the download.

UpkeepUpdate frequency

Word Abacus ships an update monthly, Number Grid Challenge every 4 days. The most recent releases landed on October 23, 2026 and October 16, 2026 respectively.

Scorecard3 real differences · 7 level
Word Abacus versus Number Grid Challenge: the parameters behind the verdict, then further details
ParameterWord AbacusNumber Grid Challenge
PriceFreeFree
Rating3.6 (20 ratings) — better—
Positive reviews39.1% of reviews—
Number of ratings20 — better—
Update frequencyMonthlyEvery 4 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.3 — better11.0
Further details — not scored
Size30 MB38 MB
Age rating4+4+
DeveloperTLogic.deDavide Sardei

Bugs and requests

Word Abacus

Reported bugs

20 issues
  • Game freezes on startup or during play
  • App crashes frequently, especially at higher levels
  • Touch input is laggy or unresponsive
  • Progress is not saved, game resets to level 1
  • Screen orientation is locked vertically
Show 15 more
  • Colored letters don't show up correctly
  • Ads interfere with gameplay
  • Upgrade prompts are unresponsive ('No Thanks' button)
  • Scrolling ads are distracting
  • Timed letters don't highlight in time
  • Q appears without a U, making word formation impossible
  • Game freezes on 'Buy' or 'No, thanks' screen
  • Double tap submission not working
  • Letters disappear and are replaced abruptly
  • Menu items and submit button rotate incorrectly
  • Game closes by itself mid-game
  • Green circles disappear after crashes
  • Reloads after submitting every other word
  • Score bug allows arbitrarily high scores
  • Recent update allows any random letters as words

Requested features

17 requests
  • Allow continuing game after high score/longest word
  • Add a back button for missed letters
  • Option to turn off red letters
  • Ability to look up words during the game
  • More vowels in higher levels
Show 12 more
  • Don't limit three-letter words
  • Fix screen orientation/rotation issues
  • Make red bars/indicators more distinct
  • Add a guide book or hints
  • Display score at the end of each game
  • Add sound effects
  • Improve touch sensitivity/response
  • Make games come to a natural end
  • Option to choose game difficulty
  • Endless mode
  • Double tap to submit word
  • Move the 'mix' button

Number Grid Challenge

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Word Abacus

One-time1
  • No-Ads-Upgrade$1.99
None

Number Grid Challenge

No in-app purchases

Questions

Is Word Abacus free?
Word Abacus is free to download, with in-app purchases available.
Is Number Grid Challenge free?
Number Grid Challenge is free to download, with no in-app purchases.
Do Word Abacus or Number Grid Challenge have ads?
Both Word Abacus and Number Grid Challenge show ads.
Which is updated more often, Word Abacus or Number Grid Challenge?
Word Abacus ships an update monthly, and Number Grid Challenge every 4 days. Most recently, Word Abacus was updated on October 23, 2026 and Number Grid Challenge on October 16, 2026.

Other comparisons