Comparison

N'Back 10 Dual vs JSME 計算力学技術者試験流体１級対策（単相流）

Q: Is JSME 計算力学技術者試験 流体１級対策（単相流） free?

JSME 計算力学技術者試験 流体１級対策（単相流） costs $9.99, with no in-app purchases.

Q: Do N'Back 10 Dual or JSME 計算力学技術者試験 流体１級対策（単相流） have ads?

Neither N'Back 10 Dual nor JSME 計算力学技術者試験 流体１級対策（単相流） shows ads.

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

Head to head

JSME 計算力学技術者試験流体１級対策（単相流）

$9.99

📚 Education

No ratingsView app →

About

N'Back 10 Dual

This application offers a dual-task version of the n-back memory game, challenging users to track and recall sequences across multiple simultaneous tasks. It features adjustable flash times and two distinct modes for varied cognitive training.

Highlights

Dual-task n-back functionality
1'Back to 10'Back levels
Flash Mode and Step Mode
Adjustable flash time
Multiple simultaneous memory tasks

Features

Read full description

"N'Back 10 Dual" is an n-back app that handles two tasks at once. This is a dual-task version of "N'Back 10". ◆1'Back --- 10'Back ◆Flash Mode / Step Mode ◆flash time can be changed Tap the number key matches the one from N steps earlier in the sequence. In 1'Back 1 task1: count & memorize 2 task2: count & memorize 3 __keyboard__: answer for task1 4 task3: count & memorize 5 __keyboard__: answer for task2 6 task4: count & memorize : In 2'Back 1 task1: count & memorize 2 task2: count & memorize 3 task3: count & memorize 4 __keyboard__: answer for task1 5 task4: count & memorize 6 __keyboard__: answer for task2 7 task5: count & memorize :

About

JSME 計算力学技術者試験流体１級対策（単相流）

Features

Read full description

JSME流体１級対策（単相流）の学習用アプリです。ユーザー登録不要で利用できます。問題は随時追加予定です。１問解くごとに結果と解説がわかる方式を採用しています。問題に不備がある場合は、解説ページに右上の報告するボタンよりご連絡いただけますと迅速に修正対応することができます。

Screenshots

N'Back 10 Dual4 screens

JSME 計算力学技術者試験流体１級対策（単相流）4 screens

Verdict

The call

The clearest difference is price: N'Back 10 Dual at $2.99 against JSME 計算力学技術者試験流体１級対策（単相流）'s $9.99. JSME 計算力学技術者試験流体１級対策（単相流）'s advantage is update cadence (every 2 months vs every 10 months). On ads, 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

N'Back 10 Dual costs $2.99 and JSME 計算力学技術者試験流体１級対策（単相流） $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

N'Back 10 Dual ships an update every 10 months, JSME 計算力学技術者試験流体１級対策（単相流） every 2 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 6 level

N'Back 10 Dual versus JSME 計算力学技術者試験流体１級対策（単相流）: the parameters behind the verdict, then further details
Parameter	N'Back 10 Dual	JSME 計算力学技術者試験流体１級対策（単相流）
Price	$2.99 — better	$9.99
Positive reviews	0.0% of reviews	—
Update frequency	Every 10 months	Every 2 months — better
Ads	No	No
In-app purchases	No	No
Monetization	Paid	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.6	15.1 — better
Further details — not scored
Size	1 MB	41 MB
Age rating	4+	4+
Developer	Yasuyoshi Ota	Daisuke Matsubara

In-app purchases

None

N'Back 10 Dual

No in-app purchases

None

JSME 計算力学技術者試験流体１級対策（単相流）

No in-app purchases

Questions

Is N'Back 10 Dual free?

N'Back 10 Dual costs $2.99, with no in-app purchases.

Is JSME 計算力学技術者試験流体１級対策（単相流） free?

JSME 計算力学技術者試験流体１級対策（単相流） costs $9.99, with no in-app purchases.

Do N'Back 10 Dual or JSME 計算力学技術者試験流体１級対策（単相流） have ads?

Neither N'Back 10 Dual nor JSME 計算力学技術者試験流体１級対策（単相流） shows ads.

Which is updated more often, N'Back 10 Dual or JSME 計算力学技術者試験流体１級対策（単相流）?

N'Back 10 Dual ships an update every 10 months, and JSME 計算力学技術者試験流体１級対策（単相流） every 2 months. Most recently, N'Back 10 Dual was updated on October 24, 2026 and JSME 計算力学技術者試験流体１級対策（単相流） on October 7, 2026.