Comparison

CLASS_SHEET vs SPACEBLOCK APP

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

Head to head

Programming Education

Free

📚 Education

No ratingsView app →

About

CLASS_SHEET

Features

Read full description

席替えするときにクジを作成するのって面倒ではありませんか？このアプリでしたらそんな手間なく席替えができます！机の列と生徒の人数を入力するだけで、アプリが自動的に席をきめてくれます。あとは、自分の出席番号が書かれた席に移動するだけです。

About

SPACEBLOCK APP

Features

Read full description

SPACEBLOCK is a Japanese-made, patented (Patent No. 7444407) inquiry-based learning and programming material that promotes learning and understanding independently. It runs on a web browser, so no environment setup or installation is needed. The intuitive programming style, similar to assembling blocks, allows anyone, regardless of specialized knowledge, to easily incorporate information technology into their inquiry-based activities. By launching it from this app, you can use it on iPad and iPhone.

Screenshots

CLASS_SHEET4 screens

SPACEBLOCK APP4 screens

Verdict

The call

The clearest difference is in-app purchases: CLASS_SHEET at none against SPACEBLOCK APP's 1. CLASS_SHEET also leads on iOS requirement (9.3 vs 15.1). SPACEBLOCK APP's advantage is update cadence (every 6 weeks vs every 15 months). 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. SPACEBLOCK APP sells 1 one-off in-app purchase. CLASS_SHEET asks for nothing beyond the download.

UpkeepUpdate frequency

CLASS_SHEET ships an update every 15 months, SPACEBLOCK APP every 6 weeks. The most recent releases landed on September 24, 2026 and October 15, 2026 respectively.

Scorecard3 real differences · 3 level

CLASS_SHEET versus SPACEBLOCK APP: the parameters behind the verdict, then further details
Parameter	CLASS_SHEET	SPACEBLOCK APP
Price	Free	Free
Update frequency	Every 15 months	Every 6 weeks — better
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	9.3 — better	15.1
Further details — not scored
Size	30 MB	22 MB
Age rating	4+	4+
Developer	Masayo Nitta	AVAD K.K.

In-app purchases

None

CLASS_SHEET

No in-app purchases

1 purchases

SPACEBLOCK APP

One-time1

SPACEBLOCK 30D Standard Plan$5.99

Questions

Is CLASS_SHEET free?

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

Is SPACEBLOCK APP free?

SPACEBLOCK APP is free to download, with in-app purchases available.

Do CLASS_SHEET or SPACEBLOCK APP have ads?

Neither CLASS_SHEET nor SPACEBLOCK APP shows ads.

Which is updated more often, CLASS_SHEET or SPACEBLOCK APP?

CLASS_SHEET ships an update every 15 months, and SPACEBLOCK APP every 6 weeks. Most recently, CLASS_SHEET was updated on September 24, 2026 and SPACEBLOCK APP on October 15, 2026.