Doze Prevention vs K
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Doze Prevention
This app helps prevent unwanted sleep during important moments like meetings or travel. It uses customizable vibration alerts at set intervals or when movement is detected to keep you awake.
- Vibration alerts for sleep prevention
- Customizable alert intervals
- Shake to stop alert function
- Button stop function
- Auto-repeat alert option
- Zen meditation awareness
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■ Prevention from a nap. ■ Sleep under meeting or in session. ■ A train oversleeps. ■ Meditation, and awareness of Zen meditation. There is a scene where he must not sleep by plentifully. However, it cannot bear by lack of sleep etc. Then, please try this application. It warns you with vibes for every set-up second. When you are sleeping, it is started with vibes. ■ Setup of iPhone Please use vibes ration by ON in a sound. Settings - vibrations - ON ■ Auto-repeat -- ON A setup will shake vibes once for every second. -- OFF Vibes trembles until it will carry out stop operation, if it sets up. * When auto-repeat is set up, a shake stop and a button stop become invalid. ■ Shake stop -- ON Warning vibes stops by shake. -- OFF A shake stop function stops. ■ Button stop -- ON Warning vibes stops in a stop button. -- OFF A stop button function stops. ---------------------------- I's Free, so try. ----------------------------
K
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骨盤底筋トレーニング(ケーゲル体操)をサポートするこのアプリは、「K-GEL CHECKER」を活用して効果的な筋力アップをサポートします。 正しい姿勢や力の入れ方を学び、日々の取り組みを記録。測定結果を通じて成果を確認できるので、モチベーション維持にも役立ちます。 アプリ内のお役立ち情報や測定方法の指示も参考に、継続的なトレーニングで健康的な骨盤底筋を目指しましょう。
Screenshots
Verdict
The clearest difference is update cadence: Doze Prevention at every 2 months against K's every 6 months. Doze Prevention also leads on device support (3 vs 1) and iOS requirement (10.0 vs 16.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Doze Prevention ships an update every 2 months, K every 6 months. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.
| Parameter | Doze Prevention | K |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (3 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 10.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 21 MB | 1 MB |
| Age rating | 4+ | 17+ |
| Developer | TAKAHIRO AYA | TENGA Healthcare Inc. |
In-app purchases
Doze Prevention
No in-app purchases
K
No in-app purchases









