Relax by meditone vs PFC Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Relax by meditone
This app generates unique relaxation music and melodies based on scientific analysis of music therapy data. It aims to help users reduce stress, improve focus, and achieve better sleep through repeated listening.
- AI-generated relaxation music
- Scientific analysis of music therapy
- Helps with insomnia and stress
- Improves concentration
- Promotes better sleep
- Unique sounds and melodies
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-meditone Relax is a novel application of relaxation music playback that uses the artificial tone automatically generated by an original analyzing system based on the scientific analysis of "music" or "voice” actually recognized through clinical data of the music therapy. Different from so called "Healing music," Relax contains characteristic sounds and melodies in a rare case effect but it produces effect by repeatedly listening. -If you suffer from the symptoms such as "Insomnia" or "Decrease of willpower" by stress or fatigue accumulated before you know. On an occasion like that, try this meditone. You will surely get relaxed and feel better step by step -Use under the following situations proves to be effective. ・It is effective for reading in commuter trains. ・It is effective for work that demands concentration such as document preparations. ・It is effective for a rest after lunch at work. And, what's the most effective, above all, ・you will be able to sleep well. ------------------------------------------------
PFC Calc
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PFC Calc は、あなたの体格と目的に合わせて、PFC(タンパク質・脂質・炭水化物)バランスとカロリーの目安を瞬時に計算するアプリです。 ■ Mifflin-St Jeor式による推定計算 健常な成人の基礎代謝の推定に広く使われているMifflin-St Jeor式を使用し、性別・体重・身長・年齢・活動量から基礎代謝量(BMR)と総消費カロリー(TDEE)の目安を算出します。 ■ かんたん7ステップ入力 迷わず設定できるウィザード形式。性別・体重・身長・年齢・活動量・目的・PFC比率を順番に入力するだけで、すぐに結果が表示されます。設定はあとから結果画面でまとめて変更できます。 ■ 目的に合わせたカロリー調整 ・減量(-15%):体脂肪を落としたい方に ・維持(±0):今の体型をキープしたい方に ・増量(+15%):筋肉・体重を増やしたい方に 目的を選ぶだけで、1日の目標摂取カロリーを自動調整します。 ■ 3つのPFCプリセット ・Balance(P30:F25:C45):トレーニング向けのバランス型 ・High Protein(P40:F20:C40):筋肉増強・ダイエット向き ・Low Fat(P30:F15:C55):脂質制限・カーボ重視 あなたのスタイルに合ったプリセットをワンタップで選択できます。 プリセットは、トレーニングをする人向けにアプリが独自に設定した配分です。 ■ 見やすい結果画面 ・目標摂取カロリー ・基礎代謝量と総消費カロリー ・P(タンパク質)・F(脂質)・C(炭水化物)のグラム数 ・各栄養素のカロリー内訳と比率 ・体重1kgあたりのグラム数 必要な情報を一目で確認できます。 ※ 算出値は推定式による目安で、医療上の助言ではありません。 ※ 計算式と出典は、アプリの結果画面左上の ⓘ ボタンから開く「計算の根拠と出典」に掲載しています。 ダイエット・ボディメイク・健康管理に、PFC Calcをお役立てください。
Screenshots
Verdict
The clearest difference is update cadence: PFC Calc at weekly against Relax by meditone's every 3 months. Relax by meditone's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). 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.
Relax by meditone ships an update every 3 months, PFC Calc weekly. The most recent releases landed on October 26, 2026 and October 9, 2026 respectively.
| Parameter | Relax by meditone | PFC Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (14 ratings) — better | — |
| Positive reviews | 76.1% of reviews | — |
| Number of ratings | 14 — better | — |
| Update frequency | Every 3 months | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 195 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | digiart,Inc. | Akihiro Takaoka |
In-app purchases
Relax by meditone
No in-app purchases
PFC Calc
No in-app purchases









