Comparison

Wordock vs iDev Tango

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

Head to head
About

Wordock

Features
Read full description

Wordock is a vocabulary app where you can stock words you want to remember and review them anytime as flashcards. In addition to the basic flashcards app feature, AI creates personalized translation questions using the words in your notebook. For these translation questions, you can configure contexts like situations or your friends’ names, and the AI will generate questions tailored just for you. Features - Add, review, edit, delete words, and listen to word pronunciations. - Test your retention with flashcards. - Using the same large language model as Apple Intelligence, the AI creates translation questions just for you. - You can configure a situation or use your friends’ names to generate questions. - All translation questions are generated on-device. - Data is shared across your devices (iOS, iPadOS, watchOS) via iCloud automatically. - Show words on your Home Screen, Lock Screen, or StandBy mode as widgets. - Check your word list directly on Apple Watch.

About

iDev Tango

Features
Read full description

iDev Tangoは、AIを活用した次世代の単語帳アプリです。アプリエンジニアが技術用語を効率的に学習できるよう、最新のAI技術と直感的なUIを組み合わせました。 ・AI定義作成機能 AI定義作成機能により、技術用語の意味を瞬時に理解できます。わからない単語を入力するだけで、専門家レベルの説明を自動作成。iOS、Swift、SwiftUIの専門用語も、AIがわかりやすく解説します。 ・フラッシュカードで、効率的に学習 スワイプ操作で直感的に学習できるフラッシュカード機能。理解度に応じた復習システムで、覚えにくい用語も効率的に学習できます。 ・テーマ別整理で、体系的な学習 フォルダ機能で、テーマ別に単語を整理。iOS開発、Swift言語、SwiftUIなど、学習したい分野ごとに単語を分類できます。自分だけのカスタム単語帳を作成し、効率的に学習を進めましょう。 ・オフラインでも学習可能 一度ダウンロードした用語は、オフライン環境でも学習できます。通勤中や移動中など、インターネット接続がない環境でも、いつでもどこでも学習を続けられます。 こんな方におすすめ! ・iOSアプリ開発を学んでいる方 ・SwiftやSwiftUIの技術用語を覚えたい方 ・エンジニアとしてスキルアップしたい方 ・効率的な学習方法を探している方 ・技術書を読む際の用語集として活用したい方 iDev Tangoで技術用語に強いiOSエンジニアに!

Screenshots

Wordock4 screens
iDev Tango4 screens

Verdict

The call

The clearest difference is ads: Wordock at none against iDev Tango's shown. iDev Tango's advantage is iOS requirement (17.6 vs 26.0). On price, update cadence, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Wordock ships an update every 3 days, iDev Tango every 2 days. The most recent releases landed on February 23, 2026 and September 17, 2026 respectively.

Scorecard2 real differences · 4 level
Wordock versus iDev Tango: the parameters behind the verdict, then further details
ParameterWordockiDev Tango
PriceFreeFree
Update frequencyEvery 3 daysEvery 2 days — better
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS26.017.6 — better
Further details — not scored
Size35 MB5 MB
Age rating4+4+
DeveloperJunnosuke Matsumotoshohei yukawa

In-app purchases

None

Wordock

No in-app purchases

None

iDev Tango

No in-app purchases

Questions

Is Wordock free?
Wordock is free to download, with no in-app purchases.
Is iDev Tango free?
iDev Tango is free to download, with no in-app purchases.
Do Wordock or iDev Tango have ads?
iDev Tango shows ads; Wordock does not.
Which is updated more often, Wordock or iDev Tango?
Wordock ships an update every 3 days, and iDev Tango every 2 days. Most recently, Wordock was updated on February 23, 2026 and iDev Tango on September 17, 2026.

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