Comparison

Sudogu vs Sky Rivon

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

Head to head
About

Sudogu

This app offers a unique take on Sudoku with user-loaded solution algorithms and instant feedback on incorrect guesses. Enjoy multiple difficulty levels, no time limits, and save your progress anytime. It provides a relaxed, ad-free gaming experience for all ages.

Highlights
  • User loaded solution algorithms
  • Immediate feedback on wrong guesses
  • Four difficulty levels
  • No time limits
  • Save progress anytime
  • Detailed game records
  • Ad-free experience
Features
Read full description

Sudogu is an innovative twist on the classic Sudoku puzzle game, offering unique features that set it apart from the rest. Its standout feature is the User Loaded solution algorithms, which allow players to input puzzles from any source and either solve them or play them with helpful hints. Another distinguishing feature is the immediate feedback on wrong guesses—incorrect entries are flagged and disallowed, effectively eliminating the need for note-taking. Sudogu offers four levels of difficulty, each containing 100 puzzles: Simple Easy Intermediate Expert Enjoy a relaxed gaming experience with no time limits. You can save your progress at any point and resume later. Detailed records of all games played, including low scores, average times, and total cumulative game time, are saved and easily accessible. The app includes a full-color User Guide in PDF format, which can be printed, and a quick-reference Help file available during gameplay. Sudogu boasts an ad-free experience, requires no internet connection, offers mutable sound effects, and features a simple, clean interface. Sudogu: Fun for the whole family!

About

Sky Rivon

Embark on a thrilling river adventure through a magical sky. Tap to create and widen your path, navigating unpredictable obstacles and collecting rewards. Enjoy a visually stunning, one-finger control experience with exciting challenges.

Highlights
  • Fantasy-like sky river adventure
  • One-finger tap controls
  • Dynamic path creation and widening
  • Navigate obstacles and dangers
  • Collect coins for rewards
  • Unlock new boat skins
Features
Read full description

Welcome to Sky Rivon and enjoy a fun and thrilling river adventure through the magical sky! It’s a game that will take you on a mesmerizing journey where the sky is a mystical ocean and the river is created by you! Its ever-changing and offers delights and dangers that will keep you amazed and addicted to your screen for long hours. It’s a land where every tap shapes your path for good or bad. The colorful visuals, smooth one-finger control, and a delightful mixture of fun and thrill will deliver a unique and exciting adventure that you’ll fall in love with. If you are looking for a boating game that allows you to set sail on a breathtaking adventure where the river flows through the sky and challenges you from the front and behind, then this game will blow your mind. You’ll tap, align, and navigate through an ever-changing river path while facing unpredictable and thrilling obstacles and challenges in this game. It’s an adventure that will give you great delight and also p**o your precision and nerve to the test. THE GAMEPLAY: As mentioned earlier, it’s a delightful, mesmerizing yet dangerous and thrilling journey. In this game, you will drive your boat through a beautiful and mystical sky-bound river. The parts of the river will slide in front of you, and your task is to tap at the right time, so that the next part of the river gets created. If you are able to tap at the right moment, the river will be widened, making your path wide and smooth. If you can’t, the portion outside the mark will get sliced off, making the path narrower, and the next move will be more difficult. If you fail to extend the river on the next move by timing your tap correctly, the path will shrink further. However, if you do it right, your path will widen and give you more room to maneuver. You must perfectly align a new segment of the river in order to go forward without trouble. But that’s not all. Sometimes you’d have to deliberately miss the mark in order to change your boat’s path and avoid the bombs and other dangers ahead. Also, there will be challenges like storms and other dangerous events which will challenge you to be on your best game. Make your moves properly, avoiding dangers and collect coins on the path that will grant you a new life (once per game) or get a new skin with new boat, sound, and visual. KEY FEATURES: A Fantasy-Like Adventure: Navigate your boat through a gorgeous and colorful world. The design of the game is simply stunning. Be delighted by the colors and eye-pleasing environment while enjoying an excellent gaming experience. One-Finger Controls: Looking for a casual game that you can play with one hand? If so, then this game is definitely for you. Enjoy it while riding the bus or waiting for a meeting or on a class-break. Simple Gameplay with Exciting Challenges: While the gameplay is simple and straightforward, it’s highly thrilling and exciting at the same time. Face storms, bombs, and path-shrinking surprises in every step of the game. Exciting Rewards and Powerups: Earn coins and unlock new skins with new boats, sounds, and environmental changes. You can use the coins to revive once per game. You’ll also get occasional powerups that will make your boat stronger, allowing you to repulse bombs, attract coins with magnet, reduce damage, and more. Fun and Addictive: Sky Rivon is a game that aims to deliver the ultimate fun experience for anyone looking for a casual mobile/tablet game that comes with an easy yet challenging gameplay, beautiful animation, and an addictive mission. Free and Offline: You won’t have to spend a dime to ‘get’ this game and you can play this offline. So, don’t worry about your wallet or an internet connection. *** The storm is closing in, the bombs are ahead, and the river will shrink if you don’t tap with a great timing - are you ready for the challenge? If you are, download Sky Rivon now and start your adventure through the river in the mystical sky!

Screenshots

Sudogu4 screens
Sky Rivon4 screens

Verdict

The call

The clearest difference is in-app purchases: Sudogu at none against Sky Rivon's 1. Sudogu also leads on ads (none vs shown). Sky Rivon's advantage is iOS requirement (14.0 vs 16.0). On price, review sentiment, update cadence 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. Sky Rivon sells 1 one-off in-app purchase. Sudogu asks for nothing beyond the download.

UpkeepUpdate frequency

Sudogu ships an update fortnightly, Sky Rivon monthly. The most recent releases landed on October 9, 2026 and September 28, 2026 respectively.

Scorecard4 real differences · 6 level
Sudogu versus Sky Rivon: the parameters behind the verdict, then further details
ParameterSudoguSky Rivon
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings2 — better—
Update frequencyFortnightly — betterMonthly
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.014.0 — better
Further details — not scored
Size18 MB252 MB
Age rating4+9+
DeveloperNeil RohanConcetto Antonino Privitera

Customer experience

Sudogu

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Sky Rivon

Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Sudogu

No in-app purchases

1 purchases

Sky Rivon

One-time1
  • Remove non-rewarded ads$3.99

Questions

Is Sudogu free?
Sudogu is free to download, with no in-app purchases.
Is Sky Rivon free?
Sky Rivon is free to download, with in-app purchases available.
Do Sudogu or Sky Rivon have ads?
Sky Rivon shows ads; Sudogu does not.
Which is updated more often, Sudogu or Sky Rivon?
Sudogu ships an update fortnightly, and Sky Rivon monthly. Most recently, Sudogu was updated on October 9, 2026 and Sky Rivon on September 28, 2026.

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