買い忘れ物防止！（忘れ物防止リマインダー） vs Stock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
買い忘れ物防止！（忘れ物防止リマインダー）
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【概要】 シンプルな買い物メモ アプリです。 誰でも使いやすく、簡単に使えます。 また、忘れた場合でも通知によりフォローします 【主な機能】 ・カテゴリ別にメモを作成 ・メモ入力簡単＆メモ連続入力サポート付き ・通知によるサポート機能付き ・購入する買い物 【完了 / 未完了】の切り替え機能付き 【本アプリケーションについて】 ○ 対応機種 ： iOS 13.0〜 今後もご要望にお答えしていきたいと思いますので、 ご要望などあれば、どんどんお知らせください！
Stock
Easily create and manage packing checklists for trips. Never forget essential items again with this simple inventory tool, perfect for those who struggle to keep track of belongings.
- Create packing checklists
- Manage belongings
- Inventory tracking
- Trip preparation
- Simple interface
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\Simple inventory checklist app/ Recommended for these people! ・I always wonder what to bring on a trip ・I often forget things ・There are so many things that I can't manage them This app allows you to easily check and manage your belongings when you go out.
Screenshots
Verdict
The clearest difference is review sentiment: 買い忘れ物防止！（忘れ物防止リマインダー） at 80% against Stock's 50%. Stock's advantage is update cadence (every 2 days vs every 6 weeks). On price, ads, 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
Both are free to download. 買い忘れ物防止！（忘れ物防止リマインダー） sells 4 one-off in-app purchases and Stock sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
買い忘れ物防止！（忘れ物防止リマインダー） ships an update every 6 weeks, Stock every 2 days. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.
| Parameter | 買い忘れ物防止！（忘れ物防止リマインダー） | Stock |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (1 ratings) — better |
| Positive reviews | 80.0% of reviews — better | 50.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 weeks | Every 2 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 58 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | hidehiko aihara | tatsuyuki shibuya |
Customer experience
買い忘れ物防止！（忘れ物防止リマインダー）
Stock
In-app purchases
買い忘れ物防止！（忘れ物防止リマインダー）
- Coffee (Regular)$0.49
- 開発者応援募金$1.99
- Coffee (Large)$1.99
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- Cake Set$5.99
Stock
- Remove Ads$1.99
- Unlock Storage$2.99
Questions
Is 買い忘れ物防止！（忘れ物防止リマインダー） free?
Is Stock free?
Do 買い忘れ物防止！（忘れ物防止リマインダー） or Stock have ads?
Which is updated more often, 買い忘れ物防止！（忘れ物防止リマインダー） or Stock?
Other comparisons
