Comparison

Word Shelves vs Number Sum Up

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

Head to head
About

Word Shelves

Engage your vocabulary with a unique 3D word puzzle game. Slide dazzling letters on luxurious shelves to discover hidden words and form new ones. Enjoy a visually rich experience that challenges your word-finding skills.

Highlights
  • Slide letters on shelves
  • Form words
  • Discover hidden words
  • 3D letter graphics
  • Vocabulary challenge
Read full description

Word Shelves is a unique word puzzle experience! Slide letters on luxurious shelves to form words. Discover hidden words! Slide and swap dazzling 3D letters on shelves adorned with golden figurines. Challenge your vocabulary in 3D Word Game on Shelves!

About

Number Sum Up

Solve number puzzles by circling and erasing digits to make rows and columns add up to target sums. This game offers a clean design and varying difficulty levels to sharpen your mental math skills.

Highlights
  • Circle and erase numbers
  • Solve row and column sum puzzles
  • Multiple difficulty levels
  • Varying board sizes
  • Hint system
  • Clean and simple design
Features
Read full description

Get ready to boost your brainpower and have a blast with Number Sum Up: Quick Math, the addictive math puzzle game that’s perfect for all ages! Number Sums is your ticket to mental math mastery! Solve puzzles by circling the right numbers and erasing the ones you don’t need. Your goal is to make each row and column add up to the clues on the side of the board. It’s simple, challenging, and oh-so-satisfying! Being good at mental math is useful in everyday life. Number Sum Up: Quick Math, you’ll find math puzzles that range from easy to hard. The game is simple to understand but takes careful thinking to solve. Playing these number games can help improve your math skills. If you enjoy number puzzles or free math games for adults, and want to practice your addition skills, try this fun and engaging game for hours of entertainment! How To Play: Circle the numbers that add up to the targets shown at the ends of each row and column. Use the toggle to change between circling and erasing. This helps you keep the right numbers and remove the extras. Each puzzle has only one solution. Make sure all rows and columns add up correctly. Practice addition with this free game, featuring different board sizes from 4x4 to 8x8 and varying difficulty levels. Tips to Improve Your Skills in Number Sum Up: Quick Math: Erase Large Numbers: First, remove numbers from the board that are bigger than the target sums. Odd and Even: If a row or column has only one odd number and the target sum is even, remove that odd number. Check Largest Number: If the biggest number on the board doesn’t match the target sum, add the smallest number to it. If the total is too high, erase the largest number. Benefits of Playing Number Sum Up: Quick Math: Enjoy many number puzzles that challenge your brain and improve your math skills. Experience a clean and simple design that makes playing enjoyable. Use hints when you get stuck to solve the puzzles. Play at your own pace and take your time to find the single correct solution. Why You’ll Love Number Sum Up: Quick Math: If you like addictive games like Number Match: Match Ten 10, you’ll love Number Sum Up: Quick Math. Play it anywhere, anytime to improve your math and logic skills!

Screenshots

Word Shelves4 screens
Number Sum Up4 screens

Verdict

The call

The clearest difference is in-app purchases: Word Shelves at none against Number Sum Up's 1. Number Sum Up's advantage is ads (none vs shown) and update cadence (every 3 days vs weekly). On price, rating, review sentiment and ratings volume 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. Number Sum Up sells 1 one-off in-app purchase. Word Shelves asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Word Shelves against 4.5 for Number Sum Up. Both are backed by a comparable volume of ratings — 27 and 40 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Word Shelves ships an update weekly, Number Sum Up every 3 days. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 6 level
Word Shelves versus Number Sum Up: the parameters behind the verdict, then further details
ParameterWord ShelvesNumber Sum Up
PriceFreeFree
Rating4.6 (27 ratings) — better4.5 (40 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings2740 — better
Update frequencyWeeklyEvery 3 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size208 MB197 MB
Age rating4+4+
DeveloperHalit TokmakALICE GAMES

Customer experience

Word Shelves

All ratings27 ratings
Positive92.6%
Neutral7.4%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Number Sum Up

All ratings19 ratings
Positive94.7%
Neutral0.0%
Negative5.3%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Word Shelves

No in-app purchases

1 purchases

Number Sum Up

One-time1
  • Remove Ads$3.99

Questions

Is Word Shelves free?
Word Shelves is free to download, with no in-app purchases.
Is Number Sum Up free?
Number Sum Up is free to download, with in-app purchases available.
Which has better reviews, Word Shelves or Number Sum Up?
Word Shelves is rated higher. Word Shelves averages 4.6 out of 5 from 27 ratings, while Number Sum Up averages 4.5 from 40 ratings.
Do Word Shelves or Number Sum Up have ads?
Word Shelves shows ads; Number Sum Up does not.
Which is updated more often, Word Shelves or Number Sum Up?
Word Shelves ships an update weekly, and Number Sum Up every 3 days. Most recently, Word Shelves was updated on October 30, 2026 and Number Sum Up on November 4, 2026.

Other comparisons