Comparison

Slitherlink vs K.O. Nonogram Pro

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

Head to head
About

Slitherlink

This is a logical puzzle game where players connect points to form a single loop. Numbers on the board indicate how many lines surround them, guiding players to complete the puzzle. It offers a unique hexagonal grid challenge for brain training.

Highlights
  • Hexagonal grid puzzles
  • Single loop formation
  • Number clues for guidance
  • Logical deduction gameplay
  • Brain training challenges
Features
Read full description

“Hexa Slitherlink" is a logical action puzzle. HOW TO PLAY? -------------- 1. The board consists of a number of numbers and a number of points. Each number represents the number of hexagonal lines around it. 2. Connect points to points in a straight line, making it a loop and only one loop. The number between six points represents the number of lines around its hexagon. 3. Where there are no numbers, there is no limit to the number of underscores, and there can be no underscores around 0. The routes must not cross, nor be forked. -------------- We appreciate any feedback you may have and will apply it to future updates and features. With your continued support we'll do our best to turn out quality Apps.

About

K.O. Nonogram Pro

This app provides instant solutions and solving steps for Nonogram puzzles. It supports grids from 5x5 to 50x50 and offers features like cloud backup and printing capabilities. Enjoy an ad-free experience with unlimited prompts and access to all puzzles.

Highlights
  • Instant puzzle solutions
  • Unlimited prompts
  • Unlock all puzzles
  • Print puzzles
  • Cloud backup
  • Supports 5x5 to 50x50 grids
Features
Read full description

K.O. Nonogram Pro: 1. Permanent ad-free; 2. Unlimited prompts; 3. Unlock all selected puzzles; 4. Print all puzzles(no watermark in preview); 5. Cloud backup; ------------------------------ Get nonogram answers / solving steps immediately. It supports 5~50 grid nonogram. There is a rich online nonogram store, support print puzzle. --------------- The grid of squares must be either filled in black or marked with X. Beside each row of the grid are listed the lengths of the runs of black squares on that row. Above each column are listed the lengths of the runs of black squares in that column. Go to find all black squares.

Screenshots

Slitherlink4 screens
K.O. Nonogram Pro4 screens

Verdict

The call

The clearest difference is price: Slitherlink at $0.99 against K.O. Nonogram Pro's $9.99. Slitherlink also leads on iOS requirement (9.0 vs 15.0). K.O. Nonogram Pro's advantage is update cadence (every 6 days vs monthly). On review sentiment, ads, in-app purchases and monetization model 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

Slitherlink costs $0.99 and K.O. Nonogram Pro $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Slitherlink ships an update monthly, K.O. Nonogram Pro every 6 days. The most recent releases landed on September 21, 2026 and September 19, 2026 respectively.

Scorecard3 real differences · 7 level
Slitherlink versus K.O. Nonogram Pro: the parameters behind the verdict, then further details
ParameterSlitherlinkK.O. Nonogram Pro
Price$0.99 — better$9.99
Rating3.3 (3 ratings) — better—
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings3 — better—
Update frequencyMonthlyEvery 6 days — better
AdsYesYes
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size45 MB28 MB
Age rating4+4+
Developer其跃 吴又瑞 韦

Customer experience

Slitherlink

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

K.O. Nonogram Pro

Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

In-app purchases

None

Slitherlink

No in-app purchases

None

K.O. Nonogram Pro

No in-app purchases

Questions

Is Slitherlink free?
Slitherlink costs $0.99, with no in-app purchases.
Is K.O. Nonogram Pro free?
K.O. Nonogram Pro costs $9.99, with no in-app purchases.
Do Slitherlink or K.O. Nonogram Pro have ads?
Both Slitherlink and K.O. Nonogram Pro show ads.
Which is updated more often, Slitherlink or K.O. Nonogram Pro?
Slitherlink ships an update monthly, and K.O. Nonogram Pro every 6 days. Most recently, Slitherlink was updated on September 21, 2026 and K.O. Nonogram Pro on September 19, 2026.

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