Comparison

Ripple Effect vs Moon

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

Head to head
About

Ripple Effect

A logic puzzle game where you fill rooms with numbers according to specific row and column separation rules. It offers over 500 levels across various sizes and difficulties, with features like automatic error highlighting and progress saving.

Highlights
  • Over 500 levels
  • 5 board sizes
  • 5 difficulty levels
  • Automatic wrong number highlighting
  • Autosave progress
  • Best completion time recording
  • Game Center Achievements
Features
Read full description

Ripple Effect is a logic puzzle with simple rules. The puzzle consists of a rectangular board divided into "rooms". Each room must be filled with each of the numbers from 1 to the number of cells in the room. If two identical numbers appear in the same row or column, at least that many cells with other numbers must separate them. For example, if two 4s appear in the same row, then they must be separated by at least 4 cells. **** Ripple Effect features **** # Content - 5 different sizes of board - 5 difficulty levels - more than 500 levels # Features - Highlight wrong number automatically - Autosave the process of unfinished levels - Record best completion time for each level # Challenge - Game Center Achievements - Try to complete as many levels as possible

About

Moon

This is a logic puzzle game where players draw a single loop following specific rules within a grid of rooms. The loop must visit each room once, passing through all moon cells or all sun cells within a room, and alternating between moon and sun rooms.

Highlights
  • Draw a single loop
  • Follow room entry rules
  • Complete moon/sun cell objectives
  • Over 10000 puzzles
  • Play all puzzles for free
Features
Read full description

Moon-or-Sun is logical puzzle game. Draw a line to make a single loop following the rules. 1. A rectangle, bordered by bold lines, is called a "room". The loop goes through each room only one time. Once the loop leaves a room, it cannot return to enter this room. 2. In each room, the loop goes through all of the moon cells or all of the sun cells. The loop cannot pass through both moon cells and sun cells in one room. 3. After the loop goes through the moons in one room it has to go through all the suns in the next room it enters and visa versa. We prepared more than 10000 puzzles in this app. Of course, you can play the all puzzles without the payment.

Screenshots

Ripple Effect4 screens
Moon4 screens

Verdict

The call

The clearest difference is in-app purchases: Moon at none against Ripple Effect's 1. Moon also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 5 months). On price 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. Ripple Effect sells 1 one-off in-app purchase. Moon asks for nothing beyond the download.

UpkeepUpdate frequency

Ripple Effect ships an update every 5 months, Moon every 3 weeks. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

Scorecard6 real differences · 4 level
Ripple Effect versus Moon: the parameters behind the verdict, then further details
ParameterRipple EffectMoon
PriceFreeFree
Rating4.0 (4 ratings) — better—
Positive reviews80.0% of reviews100.0% of reviews — better
Number of ratings4 — better—
Update frequencyEvery 5 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.08.0 — better
Further details — not scored
Size12 MB14 MB
Age rating4+4+
DeveloperStanley LamYuki Fujimoto

Customer experience

Ripple Effect

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Moon

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Ripple Effect

One-time1
  • Upgrade to Full Version$0.99
None

Moon

No in-app purchases

Questions

Is Ripple Effect free?
Ripple Effect is free to download, with in-app purchases available.
Is Moon free?
Moon is free to download, with no in-app purchases.
Do Ripple Effect or Moon have ads?
Ripple Effect shows ads; Moon does not.
Which is updated more often, Ripple Effect or Moon?
Ripple Effect ships an update every 5 months, and Moon every 3 weeks. Most recently, Ripple Effect was updated on November 1, 2026 and Moon on November 2, 2026.

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