Comparison

Unit Converter Max vs HeadfitPlayer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Unit Converter Max

This app offers fast and accurate conversions for over 30 unit categories and 150 world currencies. It features a clean interface, offline functionality, and light/dark modes, designed for travel, work, and everyday calculations.

Highlights
  • 30+ unit categories
  • 150+ world currencies
  • Offline unit conversion
  • Clean, easy-to-read interface
  • Light and dark mode
  • Fast and accurate results
Features
Read full description

Unit Converter Max Convert units and currencies faster. Unit Converter Max is a clean and accurate converter with 30+ unit categories and 150+ world currencies. No ads. No subscriptions. Lifetime access with a single purchase. Designed for travel, work, study, cooking, engineering, shopping, and everyday calculations. Convert Everything You Need • Length, mass, temperature, area, and volume • Speed, pressure, energy, time, and data • Power, frequency, voltage, fuel economy, and torque • Angle, force, density, current, resistance, and more • 150+ world currencies for travel and daily use Key Features • Fast and accurate results • 30+ unit categories • 150+ supported currencies • Clean, easy-to-read interface • Offline unit conversion • Light and dark mode • Built for everyday and professional use Why Users Choose Unit Converter Max - All Units Most converter apps are slow, cluttered, or filled with ads. Unit Converter Max - All Units keeps it simple: open the app, choose a unit or currency, and get the answer fast. Support & Legal Contact: support@richsoft.app Privacy Policy: https://richsoft.app/snapunit/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

HeadfitPlayer

Features
Read full description

Headfit Player は、お手持ちの音楽ファイルを再生しながら、ヘッドホン・イヤホンの音を整えるプレーヤーです。 ■ ヘッドホンに合わせて、自動で補正 ヘッドホンの周波数特性の測定データを読み込み、ターゲットカーブを選ぶだけで、最大20バンドのEQを自動で作成します。計算はすべて端末の中で行います。 ・30種以上のターゲットカーブを内蔵。低音の量も調整できます ・結果は、補正前後のグラフと誤差で確認できます ・作ったEQは、ヘッドホンごとに保存できます ※ 測定データはアプリに含まれません。入手先と読み込み方は、アプリ内の「使い方」にまとめています。 ■ 再生しながら、聴き比べる ・再生画面から、ターゲットやEQのオン/オフを切り替え ・遅延と音量をそろえたバイパスとの A/B 比較 ・変更の取り消し/やり直し(30段) ■ 細かく作り込む ・最大20バンドのパラメトリックEQ(FIRフィルターとして設計。高域まで正確) ・位相を、最小位相から線形位相まで連続的に調整 ・8バンドの群遅延EQ ・プリセットの保存、出力先ごとの自動切り替え ・一般的なEQ設定テキスト(AutoEq / Equalizer APO 形式)の読み込み ■ 音質へのこだわり ・高品質なサンプルレート変換と、ギャップレス再生 ・アップサンプリング用に、32,769 / 65,537 タップの線形位相フィルター「Hi-Tap」を選べます(任意)。出力レートが曲の2倍以上のとき、たとえば対応する USB-C の DAC で高い出力レートを選んだときに働きます ・信号経路の表示と診断、内蔵のテスト信号 ■ プライバシー 無料。広告・アカウント・トラッキングはなく、アプリはネットワーク通信を行いません。音楽もプリセットも、端末の中にだけ保存されます。使い方の中の外部サイトへのリンクは、タップしたときだけ Safari で開きます。 対応形式: FLAC、ALAC、WAV、AIFF、AAC、MP3。曲は「ファイル」Appから追加します(音楽は付属しません)。日本語・英語に対応。iPhone、iOS 17以降。 ご注意: イコライザーや位相の変更で、想定より大きな音になることがあります。最初は音量を小さくして、少しずつ上げてください。補正の結果は目安です。測定は、測定した個体のものです。

Screenshots

Unit Converter Max4 screens
HeadfitPlayer4 screens

Verdict

The call

The clearest difference is in-app purchases: HeadfitPlayer at none against Unit Converter Max's 1. HeadfitPlayer also leads on update cadence (every 2 days vs every 3 weeks). On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Unit Converter Max sells 1 one-off in-app purchase. HeadfitPlayer asks for nothing beyond the download.

UpkeepUpdate frequency

Unit Converter Max ships an update every 3 weeks, HeadfitPlayer every 2 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
Unit Converter Max versus HeadfitPlayer: the parameters behind the verdict, then further details
ParameterUnit Converter MaxHeadfitPlayer
PriceFreeFree
Rating5.0 (26 ratings) — better—
Positive reviews87.5% of reviews—
Number of ratings26 — better—
Update frequencyEvery 3 weeksEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.017.0
Further details — not scored
Size36 MB5 MB
Age rating4+4+
DeveloperRich Soft Co., Ltdeiji amano

In-app purchases

1 purchases

Unit Converter Max

One-time1
  • All Converter Lifetime$4.99
None

HeadfitPlayer

No in-app purchases

Questions

Is Unit Converter Max free?
Unit Converter Max is free to download, with in-app purchases available.
Is HeadfitPlayer free?
HeadfitPlayer is free to download, with no in-app purchases.
Do Unit Converter Max or HeadfitPlayer have ads?
Neither Unit Converter Max nor HeadfitPlayer shows ads.
Which is updated more often, Unit Converter Max or HeadfitPlayer?
Unit Converter Max ships an update every 3 weeks, and HeadfitPlayer every 2 days. Most recently, Unit Converter Max was updated on October 30, 2026 and HeadfitPlayer on October 24, 2026.

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