Sewing thread vs 蔵書管理
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sewing thread
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You can manage your sewing thread inventory. 700 items of Schappe Span #30, #60, and #90 are provided as initial data.
蔵書管理
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「蔵書管理」は、手持ちの本や読んだ本をかんたんに整理できるアプリです。 ・バーコード/ISBNスキャン、タイトル・著者・ISBN検索で本を追加 ・購入日・読了日・価格・場所・タグを記録 ・一括スキャンで複数冊をまとめて登録 ・バックアップ/復元で機種変更も安心 ・読了統計（年/月/日単位のカウント、グラフ表示） ・広告非表示のオプション購入に対応 データは端末内に保存され、外部サーバへ送信しません。
Screenshots
Verdict
The clearest difference is ads: Sewing thread at none against 蔵書管理's shown. 蔵書管理's advantage is update cadence (every 2 months vs every 6 months) and device support (3 vs 1). On price 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. Sewing thread sells 3 one-off in-app purchases and 蔵書管理 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Sewing thread ships an update every 6 months, 蔵書管理 every 2 months. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.
| Parameter | Sewing thread | 蔵書管理 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | Every 2 months — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.2 | 15.1 — better |
| Further details — not scored | ||
| Size | 1 MB | 35 MB |
| Age rating | 4+ | 17+ |
| Developer | Kanako Komatsu | naoto higashiya |
In-app purchases
Sewing thread
- Coffee$0.99
- Cupcake$2.99
- Flower$5.99
蔵書管理
- 広告非表示$1.99
