Back Ext. Counter! vs 音でわかる!腹筋カウンター
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Back Ext. Counter!
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This App will support counting of Back Extension. The main function is counting of Back Extension. Main Function ・Count Back Extension ・Notifications ・Record Active Energy and Workouts to Apple Health. ・Save Results to Photo. ・View history. How to use ・Put iPhone on floor ・Tap start button. ・Keep your face close to iPhone screen. (Upper part) * ・Or count on iPhone screen tap. Active Energy ・Ex. METs 3.5, Weight 50 kg, Time 10 min. (3.5 - 1) x 50 x (10 / 60) x 1.05 = 21.86 kcal. Optional permission requests ・Apple Health: It is used to record data in Apple Health. ・Tracking: It is used to deliver personalized ads to you. ・Notifications: It is used to sending notifications. ・Photo Library: It is used to save image in Photo Library. Languages ・Japanese, English. *Dynamic Island devices not supported
音でわかる!腹筋カウンター
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腹筋中に画面を見なくても、音で回数がわかる腹筋カウンターです。 スマホの傾きで腹筋の動きを検知し、自動で回数をカウント。 音声・効果音・バイブで知らせるので、回数を数えながら腹筋する必要がありません。 【できること】 ・腹筋の自動カウント ・音声/効果音/バイブで回数通知 ・インターバル練習 ・メトロノーム ・カレンダー記録 ・過去の回数修正 ・広告なし ・個人データ収集なし 「今何回やったっけ?」をなくして、腹筋に集中できます。 基本機能は無料で使えます。 先週の記録を楽しく確認できる追加機能のみ、買い切り100円です。
Screenshots
Verdict
The clearest difference is in-app purchases: Back Ext. Counter! at none against 音でわかる!腹筋カウンター's 1. Back Ext. Counter! also leads on iOS requirement (16.6 vs 18.2). 音でわかる!腹筋カウンター's advantage is ads (none vs shown) and update cadence (every 4 days vs every 4 months). On price 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. 音でわかる!腹筋カウンター sells 1 one-off in-app purchase. Back Ext. Counter! asks for nothing beyond the download.
Back Ext. Counter! ships an update every 4 months, 音でわかる!腹筋カウンター every 4 days. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.
| Parameter | Back Ext. Counter! | 音でわかる!腹筋カウンター |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 16.6 — better | 18.2 |
| Further details — not scored | ||
| Size | 31 MB | 6 MB |
| Age rating | 17+ | 4+ |
| Developer | Intersect | Yousuke Ota |
In-app purchases
Back Ext. Counter!
No in-app purchases
音でわかる!腹筋カウンター
- プレミアム解放$0.49
Questions
Is Back Ext. Counter! free?
Is 音でわかる!腹筋カウンター free?
Do Back Ext. Counter! or 音でわかる!腹筋カウンター have ads?
Which is updated more often, Back Ext. Counter! or 音でわかる!腹筋カウンター?
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