Comparison

Bullet'nSurf vs ONO

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

Head to head
About

Bullet'nSurf

Experience an extreme Japanese-style bullet hell shooter where you shoot and ride on the wave of a return cartridge. Choose from four unique 'Surf Rider' types, each with distinct shooting and combat abilities, and master the exhilarating bullet-back shot system to achieve high scores.

Highlights
  • Japanese-style bullet hell shooting
  • Ride on the wave of a return cartridge
  • Four distinct 'Surf Rider' types
  • Surf Sword for close combat
  • Bullet-back shot system (Bullet Surf)
  • Score magnification via Surf rate
Read full description

--------------------------------------- Bullet'nSurf is Japanese style 'bullet hell' shooting game! --------------------------------------- Shoot and ride on the wave of a return cartridge! Extreme bullet hell Japanese style shooting game. BULLET'N SURF ['Surf Rider' of the 4types that can be selected] 01:Wide and Narrow This 'Surf Rider' with high flexibility which changes and fights a wide shot and a concentration shot. 02:FREE STYLE And free shots can be divided into left and right shot Possible to switch the lock shot of front fixing! 03:SWORD MASTER Close combat type range distance is short. Can be used to 'Surf Sword' to open off the barrage! ('Surf Sword' charge by three at a certain time. It can stock up to up to 12.) 04:GOLDEN TWIN TAIL 05:AUTO AIMING * If you tap the weapon button in the lower right of the screen, And switching of the shot, you can use 'Surf Sword'! [Exhilarating new sensory system!] Bullet-back shot 12way might occur if you defeat the enemy! If you defeat the enemy to take further the bullet-back shot ... Bullet-back shot occurs again! (Bullet Surf) It is possible to shoot down enemy aircraft one after another in succession! As you connect the bullet-back shot, Also rise (score magnification) Surf rate, I can aim at a high score! To increase the own machine and earn score, and try to achieve the all clear! (8 Million Every extended setting.)

About

ONO

A unique logic puzzle game where you clear 'O's from the screen to achieve 'ONO'. It offers a hybrid casual puzzle experience with increasing complexity and variety. Designed to improve clarity, focus, and working memory through engaging gameplay.

Highlights
  • Unique logic puzzle mechanics
  • Chain reaction gameplay
  • Hybrid casual puzzle experience
  • Improves clarity and focus
  • 24 levels with increasing difficulty
  • Free play mode
  • Thousands of puzzle variations
Features
Read full description

Fun! Fast! Free! Unique Pure Logic Brain Game! Start a chain reaction that will clear all the O's from the screen -> ONO (no O's). A new type of hybrid casual puzzle game. An overlapping maze. Like Sudoku without numbers. Wordle without letters. Starting with the simplest forms + rules, complexity and variety emerge as elements are added in larger puzzles. A fun easy way to work on your clarity, focus and working memory. 24 levels from very easy to very hard. Master each level by solving 4 puzzles - you are allowed three tries in each of the first two, two tries in the next and, finally, you must solve one puzzle in a single try. The level is then open for free play with three tries forever.  Skippable interstitial ads after every other level. You can to watch a :30 reward ad to unlock a level or get additional stickers Larger levels have 1000's of puzzle variations making ONO a game you can play over & over. *Hat tip to "A Thousand Brains" by Jeff Hawkins for game inspiration, you should buy this book.

Screenshots

Bullet'nSurf4 screens
ONO4 screens

Verdict

The call

The clearest difference is price: ONO at Free against Bullet'nSurf's $1.99. ONO also leads on review sentiment (100% vs 78%). Bullet'nSurf's advantage is in-app purchases (none vs 1) and ads (none vs shown). On rating, ratings volume, 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

ONO is free to download; Bullet'nSurf costs $1.99 up front. ONO sells 1 one-off in-app purchase. Bullet'nSurf asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Bullet'nSurf against 5.0 for ONO. Both are backed by a comparable volume of ratings — 6 and 9 respectively. Written reviews are what separate them: 78% of Bullet'nSurf's written reviews are positive against 100% of ONO's.

UpkeepUpdate frequency

Bullet'nSurf ships an update every 4 months, ONO every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
Bullet'nSurf versus ONO: the parameters behind the verdict, then further details
ParameterBullet'nSurfONO
Price$1.99Free — better
Rating5.0 (6 ratings)5.0 (9 ratings)
Positive reviews77.8% of reviews100.0% of reviews — better
Number of ratings69 — better
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size82 MB98 MB
Age rating4+4+
Developerkoji shimonoReal Maxwell LLC

Customer experience

Bullet'nSurf

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive77.8%
Neutral22.2%
Negative0.0%

ONO

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Bullet'nSurf

No in-app purchases

1 purchases

ONO

One-time1
  • Remove Ads in ONO$0.99

Questions

Is Bullet'nSurf free?
Bullet'nSurf costs $1.99, with no in-app purchases.
Is ONO free?
ONO is free to download, with in-app purchases available.
Which has better reviews, Bullet'nSurf or ONO?
Bullet'nSurf and ONO are both rated 5.0 out of 5 on the App Store, from 6 and 9 ratings respectively.
Do Bullet'nSurf or ONO have ads?
ONO shows ads; Bullet'nSurf does not.
Which is updated more often, Bullet'nSurf or ONO?
Bullet'nSurf ships an update every 4 months, and ONO every 2 months. Most recently, Bullet'nSurf was updated on November 1, 2026 and ONO on November 3, 2026.

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