読書メモ vs Sleepless Browser
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
読書メモ
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・シンプルな読書管理アプリです。 ■読みたい本を覚書して、 ■読み終わったら評価を添えて保存します。 ・タイトル、著者などでWeb検索して、 ・その情報(表紙画像etc.)を保存可能。 ・評価印やメモも記録できます。 ・ジャンル管理、著者／年月 別 の一覧表示 ・楽天Books商品情報にリンク。 ※無料版は、データ追加20回までの制限有り。 【アドオン課金による機能拡張】 ・データ追加の回数制限が解除されます。 [対応OS] iOS 12.0 以上 ◇Twitterサポート @enaksoft
Sleepless Browser
This browser prevents your device from sleeping while you browse, ideal for recipes, videos, or real-time content. It also features a screen lock to prevent accidental touches, perfect for keeping children engaged with media.
- Prevents automatic screen sleep
- Screen lock feature
- Disables touch screen input
- Ideal for recipes and videos
- Useful for real-time content
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Sleepless Browser is a web browser that doesn’t sleep automatically. Do you find it inconvenient when your browser automatically sleeps when you look away from the screen for a moment? Sleepless Browser enables you to keep browsing web pages without having your device go to sleep mode. Sleepless Browser has a screen lock feature Do you struggle to keep a video playing for your child without interruption or accidentally switching to another screen? Sleepless Browser has a screen lock feature that prevents unintentional operation by disabling touch screen. Recommended for such a case and such a person • When using a recipe website for cooking. • While viewing videos online • If you prefer not to switch the screen. • People who use websites that are updated in real-time. • People who develop websites that are updated in real-time. • People who utilize websites that transmit data. • People who develop websites that transmit data.
Screenshots
Verdict
The clearest difference is review sentiment: Sleepless Browser at 100% against 読書メモ's 53%. 読書メモ's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence, 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. 読書メモ sells 1 one-off in-app purchase and Sleepless Browser sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
読書メモ ships an update every 3 months, Sleepless Browser every 2 months. The most recent releases landed on November 1, 2026 and October 23, 2026 respectively.
| Parameter | 読書メモ | Sleepless Browser |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (1 ratings) — better |
| Positive reviews | 52.6% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 1 MB | 7 MB |
| Age rating | 4+ | 17+ |
| Developer | enaksoft.com | ITO SOFT DESIGN Inc. |
Customer experience
読書メモ
Sleepless Browser
In-app purchases
読書メモ
- データ追加の回数制限解除$1.99
Sleepless Browser
- Hide the Ad. For early adopterFree
- Hide the Ad$1.99
