Comparison

Ah! Monster vs True Happiness

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

Head to head
About

Ah! Monster

Discover and collect a variety of mysterious, funny monsters by strategically using different perfumes. Earn coins and eggs by interacting with monsters to upgrade perfumes and develop new ones, luring even rarer creatures. The ultimate goal is to encounter and catalog every unique monster.

Highlights
  • Attract monsters with perfumes
  • Collect coins and eggs
  • Upgrade perfume levels
  • Develop new perfumes
  • Discover and catalog monsters
  • Time-based monster appearances
Features
Read full description

Wow! There are weird monsters!!!! Mysterious monsters living in a mysterious world. What were they born for? What do they live for? Still, no one knows. . . ------- About this world ------- Somehow, a mysterious perfume ball is hanging from the sky. And mysterious monsters who prefer the perfume come together. There are many kinds of perfume ball. There are monsters that prefer each perfume. Perfumes have their own level, and you can raise the level. As the level of perfume rises, more unusual monsters will come together. What you need to raise the level of perfumes are coins. Coins can be obtained by touching and destroying mysterious monsters. You can develop new perfumes. If you want to develop new perfumes, you need to gather eggs that are necessary materials for development. Eggs can be obtained by touching and destroying mysterious monsters. You already understand? To know this world deeply, you should repeat the process below. 1. Hanging a perfume. 2. Get coins and eggs from mysterious monsters. 3. Raise the level of perfume with coins, and develop new perfumes with eggs. 4. Change a perfume and lure new monsters. By repeating these, you can encounter more and more unknown monsters. There are many monsters in this world. It is the purpose of this game to meet all monsters and reveal all the collections. The secret of each monsters is stated on the collections. Now, from today you are a resident of this mysterious world. Please do not return to the original world until you know everything. Here we go! ■ TIPS 1 The point to advance the game is to develop new perfumes. Check the "Develop perfume" menu in advance, and know the types of egg to be required for development. ■ TIPS 2 If you touch a image of monster on the collections, you can see the information of monsters. There is a description about the monster appearance time zone. This means that some monsters only appear at a certain time! The time is linked with the real world, and the color of sky changes with time! ■ TIPS 3 When a perfume level is maximized (Lv.6), something weird will happen!

About

True Happiness

Embark on a journey through vibrant worlds with simple touch controls. Collect coins, avoid enemies, and unlock unique poses. Decorate your personal space with collected items and enjoy playful music. This game aims to provide a stress-relieving and feel-good experience.

Highlights
  • Easy touch controls
  • Colorful meditation stages
  • Unlockable poses
  • Stress-relieving living space
  • Interior shop for customization
  • Playful background music
Read full description

When I close my eyes I am flying through the sky. Is this a dream? Calm blue sky, strange outer space, frightening nightmares, pudding-filled heavens... Use simple touch controls to avoid enemies, collect coins, and traverse exciting worlds! As you do so, unlock many different poses! When tired of meditating rest in your own special place. Decorate it with strange objects, and make it your own! Buy stuff with the coins you collected and become even happier! Fly through the sky, fight, travel far and away. Where on earth is "True Happiness"? Let's meditate together! Features - Easy touch controls - Colorful meditation stages - Funny poses - Stress relieving living space - Feel-good interior shop - Playful background music - Bonus stage full of coins Will you find "True Happiness"? ※ "True Happiness" is a game app. The extent to which you experience happiness by playing differs per person. The app does not guarantee that every person finds true happiness.

Screenshots

Ah! Monster4 screens
True Happiness4 screens

Verdict

The call

Ah! Monster and True Happiness both sit at 4.9 stars, but that hides the real split: 85% of Ah! Monster's written reviews are positive against 69% of True Happiness's. Ah! Monster also leads on update cadence (every 5 months vs every 12 months). True Happiness's advantage is ratings volume (239 vs 15) and monetization model (ad-supported vs free with in-app purchases). On price, rating, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Ah! Monster against 4.9 for True Happiness. That said, the two scores are not equally well evidenced: True Happiness has 239 ratings behind it against 15, so its average is the more settled of the two. Written reviews are what separate them: 85% of Ah! Monster's written reviews are positive against 69% of True Happiness's.

UpkeepUpdate frequency

Ah! Monster ships an update every 5 months, True Happiness every 12 months. The most recent releases landed on August 31, 2026 and September 23, 2026 respectively.

Scorecard4 real differences · 6 level
Ah! Monster versus True Happiness: the parameters behind the verdict, then further details
ParameterAh! MonsterTrue Happiness
PriceFreeFree
Rating4.9 (15 ratings)4.9 (239 ratings)
Positive reviews84.7% of reviews — better69.0% of reviews
Number of ratings15239 — better
Update frequencyEvery 5 months — betterEvery 12 months
AdsYesYes
In-app purchasesNoNo
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size45 MB169 MB
Age rating4+9+
DeveloperKAZUYA KAMIOKAponos corporation

Customer experience

Ah! Monster

All ratings15 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews85 reviews
Positive84.7%
Neutral4.7%
Negative10.6%

True Happiness

All ratings239 ratings
Positive97.1%
Neutral1.3%
Negative1.7%
Written reviews84 reviews
Positive69.0%
Neutral4.8%
Negative26.2%

Bugs and requests

Ah! Monster

Not enough reviews yet to summarise bugs or requests.

True Happiness

Reported bugs

10 issues
  • 🐛 App crashes on startup
  • 🐛 App does not open
  • 🐛 App closes immediately after launch
  • 🐛 App crashes when opening
  • 🐛 App crashes after starting
Show 5 more
  • 🐛 App crashes on iPhone 6
  • 🐛 Ads not dismissible
  • 🐛 Game lags excessively
  • 🐛 App crashes on launch
  • 🐛 App doesn't start

Requested features

3 requests
  • Option to remove ads via in-app purchase
  • Integration with Battle Cats
  • More mission variety

In-app purchases

None

Ah! Monster

No in-app purchases

None

True Happiness

No in-app purchases

Questions

Is Ah! Monster free?
Ah! Monster is free to download, with no in-app purchases.
Is True Happiness free?
True Happiness is free to download, with no in-app purchases.
Which has better reviews, Ah! Monster or True Happiness?
Ah! Monster and True Happiness are both rated 4.9 out of 5 on the App Store, from 15 and 239 ratings respectively.
Do Ah! Monster or True Happiness have ads?
Both Ah! Monster and True Happiness show ads.
Which is updated more often, Ah! Monster or True Happiness?
Ah! Monster ships an update every 5 months, and True Happiness every 12 months. Most recently, Ah! Monster was updated on August 31, 2026 and True Happiness on September 23, 2026.

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