Comparison

カブトムシ・クワガタムシクイズ　昆虫図鑑 vs KOETRON

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

Head to head

One-tap voice transformations

Free

🎬 Entertainment

No ratingsView app →

About

カブトムシ・クワガタムシクイズ　昆虫図鑑

Features

Read full description

大人気、カブトムシ、クワガタのクイズ。世界最大のカブトムシは？などなど、画像付きで紹介します。ちょっとしか写ってない写真。動く画像、消える画像など問題も盛り沢山。

About

KOETRON

Features

Read full description

KOETRON — One-tap voice transformations! KOETRON is a simple, playful voice app where you record a short clip and transform it with a single tap. Hear your voice instantly in different styles—Plushie, Robot, Ghost, Kaiju, UFO, and more. With an easy, kid-friendly interface, everyone can enjoy quick “voice toy” fun at home or on the go. Works offline, too. How to use 1-Tap Record to capture a short voice clip. 2-Tap your favorite Effect button. 3-The transformed voice plays right away—try it as many times as you like! Device & settings -Microphone access is required on first use. If you denied it, please enable the mic in your device settings. -Adjust recording/playback volume with your device’s volume buttons. -Recordings are processed on your device. This app does not transmit your recordings externally. Made by Tantanto Company We’d love to hear your feedback!

Screenshots

カブトムシ・クワガタムシクイズ　昆虫図鑑4 screens

KOETRON4 screens

Verdict

The call

The clearest difference is iOS requirement: KOETRON at 15.6 against カブトムシ・クワガタムシクイズ　昆虫図鑑's 18.5. On price, update cadence, 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.

UpkeepUpdate frequency

カブトムシ・クワガタムシクイズ　昆虫図鑑 ships an update every 3 months, KOETRON every 6 months. Both last shipped on October 10, 2026.

Scorecard1 real difference · 6 level

カブトムシ・クワガタムシクイズ　昆虫図鑑 versus KOETRON: the parameters behind the verdict, then further details
Parameter	カブトムシ・クワガタムシクイズ　昆虫図鑑	KOETRON
Price	Free	Free
Positive reviews	42.9% of reviews	—
Update frequency	Every 3 months — better	Every 6 months
Ads	Yes	Yes
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	18.5	15.6 — better
Further details — not scored
Size	99 MB	46 MB
Age rating	4+	4+
Developer	Akio SHIMURA	SACHIKO HAMATSU

In-app purchases

None

カブトムシ・クワガタムシクイズ　昆虫図鑑

No in-app purchases

None

KOETRON

No in-app purchases

Questions

Is カブトムシ・クワガタムシクイズ　昆虫図鑑 free?

カブトムシ・クワガタムシクイズ　昆虫図鑑 is free to download, with no in-app purchases.

Is KOETRON free?

KOETRON is free to download, with no in-app purchases.

Do カブトムシ・クワガタムシクイズ　昆虫図鑑 or KOETRON have ads?

Both カブトムシ・クワガタムシクイズ　昆虫図鑑 and KOETRON show ads.

Which is updated more often, カブトムシ・クワガタムシクイズ　昆虫図鑑 or KOETRON?

カブトムシ・クワガタムシクイズ　昆虫図鑑 ships an update every 3 months, and KOETRON every 6 months. Most recently, カブトムシ・クワガタムシクイズ　昆虫図鑑 was updated on October 10, 2026 and KOETRON on October 10, 2026.