Comparison

Number Sum Up vs Where is Bob

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

Head to head
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!

About

Where is Bob

Read full description

Where is Bob is a calm, brain-teasing deduction puzzle. Bob is hiding somewhere on the board — your job is to figure out exactly which cell, using only the clues. Read the clues. Rule out the impossible. Find Bob. Every puzzle has exactly one solution, and you can always reach it by reasoning — never by guessing. Start simple, then watch the puzzles grow: walls, objects, extra characters, and vague clues turn a quick read into a real chain of logic. HOW IT PLAYS • Study the grid and the clues. • Work out where the other characters must be, then deduce Bob's cell. • Tap the cell where Bob is hiding. • Earn up to three stars — stay careful and quick to keep them all. FEATURES • 200 hand-tuned levels across 10 themed chapters — from the Mansion to the Circus. • A fresh Daily Puzzle every day, with a streak to keep alive. • Difficulty that grows with you: walls, objects, multiple characters, and clever red-herring clues. • Replay levels to chase a perfect three-star rating. • Clean, readable clue icons — or switch to plain text. • Designed for one hand, in portrait. MADE THE RIGHT WAY • No ads • No accounts, no sign-up • Fully offline • Collects no personal data Just you, the clues, and one question: where is Bob?

Screenshots

Number Sum Up4 screens
Where is Bob4 screens

Verdict

The call

The clearest difference is in-app purchases: Where is Bob at none against Number Sum Up's 1. Number Sum Up's advantage is iOS requirement (12.0 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. Number Sum Up sells 1 one-off in-app purchase. Where is Bob asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Number Sum Up versus Where is Bob: the parameters behind the verdict, then further details
ParameterNumber Sum UpWhere is Bob
PriceFreeFree
Rating4.6 (19 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings19 — better—
Update frequencyEvery 3 days—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size197 MB46 MB
Age rating4+4+
DeveloperALICE GAMESGabor Bokodi

In-app purchases

1 purchases

Number Sum Up

One-time1
  • Remove Ads$3.99
None

Where is Bob

No in-app purchases

Questions

Is Number Sum Up free?
Number Sum Up is free to download, with in-app purchases available.
Is Where is Bob free?
Where is Bob is free to download, with no in-app purchases.
Do Number Sum Up or Where is Bob have ads?
Neither Number Sum Up nor Where is Bob shows ads.

Other comparisons