Comparison

Ah! Monster vs Wumpy

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

Wumpy

Test your reflexes by precisely aligning a character with its outline. Hold to match the shape and aim for a perfect score. Compete on the leaderboard to see how your precision stacks up against others.

Highlights
  • Reflex-based gameplay
  • Outline alignment challenges
  • Perfect score tracking
  • Global leaderboard
  • Simple tap-and-hold controls
Features
Read full description

Challenge your reflexes by aligning Wumpy with his outline! Tap and hold until Wumpy is perfectly aligned. Try to get 100% and see if anyone has gotten a perfect score on the leaderboard!

Screenshots

Ah! Monster4 screens
Wumpy4 screens

Verdict

The call

The clearest difference is in-app purchases: Ah! Monster at none against Wumpy's 1. Wumpy's advantage is ads (none vs shown) and update cadence (every 3 days vs every 5 months). On price, rating, review sentiment and monetization model 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. Wumpy sells 1 one-off in-app purchase. Ah! Monster asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Ah! Monster against 4.8 for Wumpy. That said, the two scores are not equally well evidenced: Wumpy has 92 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 92% of Wumpy's.

UpkeepUpdate frequency

Ah! Monster ships an update every 5 months, Wumpy every 3 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Ah! Monster versus Wumpy: the parameters behind the verdict, then further details
ParameterAh! MonsterWumpy
PriceFreeFree
Rating4.9 (15 ratings) — better4.8 (92 ratings)
Positive reviews84.7% of reviews91.7% of reviews — better
Number of ratings1592 — better
Update frequencyEvery 5 monthsEvery 3 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.011.2 — better
Further details — not scored
Size45 MB24 MB
Age rating4+4+
DeveloperKAZUYA KAMIOKATheStudio, LLC

Customer experience

Ah! Monster

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

Wumpy

All ratings92 ratings
Positive94.6%
Neutral2.2%
Negative3.3%
Written reviews12 reviews
Positive91.7%
Neutral0.0%
Negative8.3%

In-app purchases

None

Ah! Monster

No in-app purchases

1 purchases

Wumpy

One-time1
  • Remove Ads$0.99

Questions

Is Ah! Monster free?
Ah! Monster is free to download, with no in-app purchases.
Is Wumpy free?
Wumpy is free to download, with in-app purchases available.
Which has better reviews, Ah! Monster or Wumpy?
Ah! Monster is rated higher. Ah! Monster averages 4.9 out of 5 from 15 ratings, while Wumpy averages 4.8 from 92 ratings.
Do Ah! Monster or Wumpy have ads?
Ah! Monster shows ads; Wumpy does not.
Which is updated more often, Ah! Monster or Wumpy?
Ah! Monster ships an update every 5 months, and Wumpy every 3 days. Most recently, Ah! Monster was updated on October 27, 2026 and Wumpy on October 24, 2026.

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