Comparison

Nap Buddy Timer vs 新AI脳トレ

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

Head to head
About

Nap Buddy Timer

Features
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[napTimer - Power Nap Timer] Enjoy the perfect nap with cute animal friends. ■ Features • Cute animal characters Watch ads to unlock new adorable companions. • 5 types of soothing BGM Forest sounds, river sounds, ocean waves, rain sounds, and cafe jazz. • Fully customizable timer Includes a 26-minute preset, perfect for power naps. • Background playback supported BGM continues even when the screen is turned off. • Earphone compatible The alarm plays through earphones, so you won’t disturb people around you. ■ Recommended for people who want to: • Beat afternoon sleepiness • Refresh in a short amount of time • Take naps during commutes • Relax with comfortable background music • Be healed by cute animals ■ Free to use

About

新AI脳トレ

Features
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■ 5種類の脳トレゲーム 【記憶ゲーム】 数字や文字のパターンを覚えて再現する記憶力トレーニング。 徐々に難易度が上がり、集中力と記憶力を鍛えます。 【計算ゲーム】 素早く正確に計算する処理速度トレーニング。 毎日続けることで、判断力・計算力が向上します。 【昭和クイズ】 懐かしい昭和の出来事・文化に関するクイズ。 懐かしい記憶を呼び起こしながら、楽しく脳を刺激します。 【単語探し】 文字の中から単語を見つけ出す注意力トレーニング。 視覚的な集中力と語彙力を鍛えます。 【反応ゲーム】 画面の変化に素早く反応する反射神経トレーニング。 瞬発力と注意力の維持に効果的です。 ※ゲームは随時追加予定!新しい脳トレをお楽しみに。 ■ 充実した記録・分析機能 ・ダッシュボードで今日のスコアをひと目で確認 ・週次グラフで成長を可視化 ・月間カレンダーで継続記録を管理 ・連続トレーニング日数でモチベーション維持 ■ AIアシスタント トレーニング結果をもとに、AIがあなたに合ったアドバイスや励ましのメッセージを送ります。 毎日少しずつ、楽しみながら脳を鍛える習慣をつけましょう。

Screenshots

Nap Buddy Timer4 screens
新AI脳トレ3 screens

Verdict

The call

The clearest difference is ads: 新AI脳トレ at none against Nap Buddy Timer's shown. 新AI脳トレ also leads on iOS requirement (13.0 vs 15.0). Nap Buddy Timer's advantage is update cadence (every 4 days vs every 3 weeks). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Nap Buddy Timer ships an update every 4 days, 新AI脳トレ every 3 weeks. The most recent releases landed on October 10, 2026 and September 29, 2026 respectively.

Scorecard3 real differences · 3 level
Nap Buddy Timer versus 新AI脳トレ: the parameters behind the verdict, then further details
ParameterNap Buddy Timer新AI脳トレ
PriceFreeFree
Update frequencyEvery 4 days — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size22 MB30 MB
Age rating4+4+
Developeriida atsushiYusuke Sano

In-app purchases

None

Nap Buddy Timer

No in-app purchases

None

新AI脳トレ

No in-app purchases

Questions

Is Nap Buddy Timer free?
Nap Buddy Timer is free to download, with no in-app purchases.
Is 新AI脳トレ free?
新AI脳トレ is free to download, with no in-app purchases.
Do Nap Buddy Timer or 新AI脳トレ have ads?
Nap Buddy Timer shows ads; 新AI脳トレ does not.
Which is updated more often, Nap Buddy Timer or 新AI脳トレ?
Nap Buddy Timer ships an update every 4 days, and 新AI脳トレ every 3 weeks. Most recently, Nap Buddy Timer was updated on October 10, 2026 and 新AI脳トレ on September 29, 2026.

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