Comparison

Flappy ハッピー vs Infinity Nikki

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

Head to head
About

Flappy ハッピー

Guide a beloved character through a flying challenge. Test your reflexes to help them reach their romantic goal. Experience a simple yet engaging arcade-style adventure.

Highlights
  • Flying gameplay
  • Character dating objective
  • Arcade challenge
  • Simple controls
Features
Read full description

Fairy Tail's ハッピー Flappy Game Enjoy ハッピー flying Try your best to let ハッピー date with シャルル

About

Infinity Nikki

Explore a vast open world, engage in unique combat, and express your creativity through styling and home building. This fantasy adventure invites you to discover hidden wonders, share journeys with friends, and capture the world through your lens.

Highlights
  • Open-world exploration with Gigantification and Sticky Claw
  • Archery combat and Battle Companion system
  • Online co-op multiplayer adventures
  • Home building on a floating island
  • Fashion photography with customizable filters
  • New main story chapter and region
Read full description

Infinity Nikki, developed by Infold Games, is the fifth installment in the Nikki series—a multi-platform open-world game built on the UE5 engine. It's an enchanting experience dedicated to creating and collecting beauty. Nikki, together with Momo, harnesses the power of Whim and ability outfits, facing every challenge with courage and discovering miracles along the way. [New Main Story Chapter] Golden Dust The final chapter of the Itzaland main story is now available, along with the new region, Heaven's Reach, open for exploration. Dreams of a golden celebration stir as echoes of the Titan civilization linger... Set out for the Golden City, follow the Mark of the Cycle, and witness the finale of Itzaland's fate! [Open World] Explore and Discover Unseen Wonders Step into a vast, living world where every horizon hides a new mystery. Transform through Gigantification to move faster, leap higher, and unleash a thunderous Roar to take on the massive Behemoths. Use the Sticky Claw to glide across the skies and reach hidden spots. With every step, your sense of freedom, discovery, and adventure grows. [Ingenious Combat] Shape Your Adventure Nikki's new Archery ability turns combat into a skillful, interactive experience. Use bows to break shields, solve puzzles, and unlock hidden paths, blending exploration and strategy. Choose your Battle Companions for offense or defense roles, allowing you to tailor your own style and approach to every challenge. [Online Co-op] A Journey Shared, Souls No Longer Walking Alone Meet Nikkis from parallel worlds and embark on a beautiful adventure together. When the Starbell softly rings, friends will be reunited. Whether walking hand in hand or exploring freely on your own, your journey will be filled with joy every step of the way. [Home Building] Nikki's Floating Island Build your dream home on an island of your own. Design every space your way, grow crops, gather stars, raise fish... This is more than an island; it's a living dream woven from Whim. [Fashion Photography] Capture the World Through Your Lens, Master the Perfect Palette Mix and match colors and styles to capture the beauty of the world. Use Momo's Camera to customize your favorite filters, settings, and photo styles, preserving each precious moment in a single shot. An Open-World Styling Fantasy! Thank you for being interested in Infinity Nikki. We look forward to meeting you in Miraland! Please follow us for the latest updates: Website: https://infinitynikki.infoldgames.com/en/home X: https://x.com/InfinityNikkiEN Facebook: https://www.facebook.com/infinitynikki.en YouTube: https://www.youtube.com/@InfinityNikkiEN/ Instagram: https://www.instagram.com/infinitynikki_en/ TikTok: https://www.tiktok.com/@infinitynikki_en Discord: https://discord.gg/infinitynikki Reddit:https://www.reddit.com/r/InfinityNikkiofficial/

Screenshots

Flappy ハッピー4 screens
Infinity Nikki4 screens

Verdict

The call

The clearest difference is rating: Flappy ハッピー at 4.5 against Infinity Nikki's 3.9. Flappy ハッピー also leads on in-app purchases (none vs 10) and review sentiment (79% vs 50%). Infinity Nikki's advantage is update cadence (every 2 months vs every 13 months) and ratings volume (13K vs 53). 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. Infinity Nikki sells 10 one-off in-app purchases. Flappy ハッピー asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Flappy ハッピー holds the better App Store score, 4.5 against 3.9. That said, the two scores are not equally well evidenced: Infinity Nikki has 13K ratings behind it against 53, so its average is the more settled of the two. Written reviews point the same way: 79% of Flappy ハッピー's written reviews are positive against 50% of Infinity Nikki's.

UpkeepUpdate frequency

Flappy ハッピー ships an update every 13 months, Infinity Nikki every 2 months. The most recent releases landed on November 1, 2026 and November 13, 2026 respectively.

Scorecard8 real differences · 3 level
Flappy ハッピー versus Infinity Nikki: the parameters behind the verdict, then further details
ParameterFlappy ハッピーInfinity Nikki
PriceFreeFree
Rating4.5 (53 ratings) — better3.9 (13K ratings)
Positive reviews79.4% of reviews — better50.5% of reviews
Number of ratings5313K — better
Update frequencyEvery 13 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank—#101 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS10.0 — better15.0
Further details — not scored
Size32 MB2.3 GB
Age rating4+12+
DeveloperHUI KIN MANINFOLD PTE. LTD.

Customer experience

Flappy ハッピー

All ratings52 ratings
Positive92.3%
Neutral3.8%
Negative3.8%
Written reviews34 reviews
Positive79.4%
Neutral11.8%
Negative8.8%

Infinity Nikki

All ratings12,754 ratings
Positive71.0%
Neutral4.5%
Negative24.5%
Written reviews3,266 reviews
Positive50.5%
Neutral10.3%
Negative39.2%

Bugs and requests

Flappy ハッピー

Not enough reviews yet to summarise bugs or requests.

Infinity Nikki

Reported bugs

4 issues
  • Inability to progress past certain cutscenes
  • Frozen screens and unresponsive UI
  • Compatibility issues on older devices
  • Inconsistent audio/sound bugs

Requested features

4 requests
  • Improved camera controls
  • Ability to play as male character
  • Multiplayer co-op mode
  • More detailed tutorials and guidance

In-app purchases

None

Flappy ハッピー

No in-app purchases

10 purchases

Infinity Nikki

One-time10
  • Pack Purchase$0.29
  • Stellarite*60$0.99
  • Pack Purchase$0.99
Show 7 more
  • Multi-Pack I$1.49
  • Multi-Pack II$1.99
  • Stellarite*300$4.99
  • Monthly Gifts$4.99
  • Distant Anthem$9.99
  • Stellarite*980$14.99
  • Miracle Epic$19.49

Questions

Is Flappy ハッピー free?
Flappy ハッピー is free to download, with no in-app purchases.
Is Infinity Nikki free?
Infinity Nikki is free to download, with in-app purchases available.
Which has better reviews, Flappy ハッピー or Infinity Nikki?
Flappy ハッピー is rated higher. Flappy ハッピー averages 4.5 out of 5 from 53 ratings, while Infinity Nikki averages 3.9 from 13K ratings.
Do Flappy ハッピー or Infinity Nikki have ads?
Neither Flappy ハッピー nor Infinity Nikki shows ads.
Which is updated more often, Flappy ハッピー or Infinity Nikki?
Flappy ハッピー ships an update every 13 months, and Infinity Nikki every 2 months. Most recently, Flappy ハッピー was updated on November 1, 2026 and Infinity Nikki on November 13, 2026.

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