Comparison

サイトラ！英文速読特訓 vs Fluffy Fluff Vision Experiment

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

Head to head

サイトラ！英文速読特訓

Free

📚 Education

★ 5.028 ratingsView app →

Fluffy Fluff Vision Experiment

Educational Touch Sound Game

Free

📚 Education

No ratingsView app →

About

サイトラ！英文速読特訓

Features

Read full description

英語の語順感覚を身につけて英語脳を鍛えられるアプリです。サイトラ！とは英語の速読力UPに有効な「サイトトランスレーション」の略。これは英文を意味のカタマリに分けて前から後ろに戻り読みをせずに読んでいく方法です。英文を読む際、私たちは何度も同じ文を戻り読みしてしまいますよね。サイトトランスレーションを使うと、この時間の無駄を省いて、速読につなげることができます。

About

Fluffy Fluff Vision Experiment

Features

Read full description

**Play Dr. Maine Coon's Psychic Experiment!** Challenge yourself with Dr. Maine Coon's mysterious psychic experiment! **The rules are super simple!** Trace the “?” box that appears in front of you with your finger. The hidden letters will make a sound! Use that sound as a clue to deduce what letter is hidden. When you're ready, tap the “Answer” button! Pick the correct answer from the 6 choices! **10 Thrilling Stages to Conquer!** Clear all 10 stages and test your psychic powers! Earn points with each stage cleared and compete with friends for high scores! Can you solve all of Dr. Maine Coon's mysteries? Let's start the psychic experiment now! - **Minimal Ads**: Only 2 ads per play session (10 stages). An ad-free paid option is also available. Voice “VOICEVOX: Ryusei Aoyama” BGM Cute is Violence by Koorogi Violence of Kawaii by Akio Hata

Screenshots

サイトラ！英文速読特訓4 screens

Fluffy Fluff Vision Experiment3 screens

Verdict

The call

The clearest difference is ads: サイトラ！英文速読特訓 at none against Fluffy Fluff Vision Experiment's shown. Fluffy Fluff Vision Experiment's advantage is update cadence (every 6 weeks vs every 3 months). On price, in-app purchases, device support and iOS requirement 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. サイトラ！英文速読特訓 sells 3 in-app purchases, starting at $7.99 per month and Fluffy Fluff Vision Experiment sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

サイトラ！英文速読特訓 ships an update every 3 months, Fluffy Fluff Vision Experiment every 6 weeks. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 7 level

サイトラ！英文速読特訓 versus Fluffy Fluff Vision Experiment: the parameters behind the verdict, then further details
Parameter	サイトラ！英文速読特訓	Fluffy Fluff Vision Experiment
Price	Free	Free
Rating	5.0 (28 ratings) — better	—
Positive reviews	100.0% of reviews	—
Number of ratings	28 — better	—
Update frequency	Every 3 months	Every 6 weeks — better
Ads	No — better	Yes
In-app purchases	Yes	Yes
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	14.0 — better	15.0
Further details — not scored
Size	82 MB	144 MB
Age rating	4+	4+
Developer	Junki Hadano	Yusuke Okada

In-app purchases

3 purchases

サイトラ！英文速読特訓

Subscriptions3

サイトラ！PRO 1ヶ月プラン$7.991 Month
サイトラ！PRO 3ヶ月プラン$19.993 Months
サイトラ！PRO 6ヶ月プラン$24.996 Months

1 purchases

Fluffy Fluff Vision Experiment

One-time1

[Remove Ads]$0.49

Questions

Is サイトラ！英文速読特訓 free?

サイトラ！英文速読特訓 is free to download, with in-app purchases available.

Is Fluffy Fluff Vision Experiment free?

Fluffy Fluff Vision Experiment is free to download, with in-app purchases available.

Do サイトラ！英文速読特訓 or Fluffy Fluff Vision Experiment have ads?

Fluffy Fluff Vision Experiment shows ads; サイトラ！英文速読特訓 does not.

Which is updated more often, サイトラ！英文速読特訓 or Fluffy Fluff Vision Experiment?

サイトラ！英文速読特訓 ships an update every 3 months, and Fluffy Fluff Vision Experiment every 6 weeks. Most recently, サイトラ！英文速読特訓 was updated on October 10, 2026 and Fluffy Fluff Vision Experiment on October 6, 2026.