Comparison

iSmartESA vs TOEIC®単語攻略

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

Head to head
About

iSmartESA

Features
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Sound acquisition is endlessly done from the smartphone's built-in microphone or external microphone at a sampling frequency of 44100Hz, and the last 20 seconds are recorded when the recording button is pressed. The frequency display range can be selected from 0-500Hz, 0-1kHz, 0-2kHz, 0-5kHz, 0-10kHz, and 0-20kHz. Analysis: Waveform (time axis expansion and contraction, envelope), FFT spectrum. In case of voice sound analysis, the app can determine the fundamental frequency (by cepstrum) and formant frequencies (by MEM). In addition to being able to select any section for these analyzes, it is also possible to observe while playing back the sound. Sound pressure level and frequency: During measurement, the moving average sound pressure level for one second is displayed (A-weighted value). This function may be used to measure environmental noise. The value is adjusted for a specific microphone: SONY ECM-SP10, but the accuracy is not guaranteed. Also, during the measurement, the peak frequency (The frequency range to be detected is set on the setting screen) is displayed. Files: You can save the recorded sound as a file with comments. Sharing function is available.

About

TOEIC®単語攻略

Features
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「TOEIC®単語攻略」—TOEICで高得点を目指すための英単語学習アプリ! 「TOEIC®単語攻略」は、TOEICで必要な英単語と熟語を効率的に学習できるアプリです。1801語の英単語と163語の熟語を収録し、TOEIC試験でのスコアアップに直結する語彙力を短期間で強化します。さらに、英検など他の試験対策にも役立つ内容で、総合的な英語力アップをサポートします。 主な機能: TOEIC対応の1801語の英単語と163語の熟語を徹底網羅 ストレスフリーで使いやすいシンプルなUIで、効率的な学習体験 実践的な例文付きで、単語の意味と使い方をしっかり理解 単語や例文を音声再生して、リスニング力と発音を強化 覚えた単語をマークして、効果的に復習できる **レベル別(500点台〜900点台)**に分類された単語で、自分のスコアに応じた学習が可能 TOEICで高得点を目指す方に最適なこのアプリで、必要な語彙力を習得しましょう。今すぐダウンロードして、TOEICスコアアップに向けた学習を始めましょう! 「TOEIC®単語攻略」で、TOEIC対策を効率よく進めよう!

Screenshots

iSmartESA4 screens
TOEIC®単語攻略4 screens

Verdict

The call

The clearest difference is price: TOEIC®単語攻略 at Free against iSmartESA's $3.99. TOEIC®単語攻略 also leads on update cadence (every 3 weeks vs every 3 months). iSmartESA's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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

TOEIC®単語攻略 is free to download; iSmartESA costs $3.99 up front. TOEIC®単語攻略 sells 1 one-off in-app purchase. iSmartESA asks for nothing beyond the download.

UpkeepUpdate frequency

iSmartESA ships an update every 3 months, TOEIC®単語攻略 every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 2 level
iSmartESA versus TOEIC®単語攻略: the parameters behind the verdict, then further details
ParameteriSmartESATOEIC®単語攻略
Price$3.99Free — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.1 — better15.0
Further details — not scored
Size3 MB43 MB
Age rating4+4+
DeveloperHiroshi NakanoKotake Studio LLC

In-app purchases

None

iSmartESA

No in-app purchases

1 purchases

TOEIC®単語攻略

One-time1
  • Ad Removal$2.99

Questions

Is iSmartESA free?
iSmartESA costs $3.99, with no in-app purchases.
Is TOEIC®単語攻略 free?
TOEIC®単語攻略 is free to download, with in-app purchases available.
Do iSmartESA or TOEIC®単語攻略 have ads?
TOEIC®単語攻略 shows ads; iSmartESA does not.
Which is updated more often, iSmartESA or TOEIC®単語攻略?
iSmartESA ships an update every 3 months, and TOEIC®単語攻略 every 3 weeks. Most recently, iSmartESA was updated on November 3, 2026 and TOEIC®単語攻略 on October 30, 2026.

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