Comparison

Doushi vs Onoma Step

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

Head to head

Learn Japanese Verbs

Japanese Onomatopoeia

Free

📚 Education

No ratingsView app →

About

Doushi

Read full description

Doushi is your ultimate companion for mastering Japanese verb conjugations. Whether you're a beginner or an advanced learner, this app makes understanding Japanese verb forms intuitive and engaging.

About

Onoma Step

Features

Read full description

Master Japanese Onomatopoeia with Onoma Step! Learn over 1,200 Japanese onomatopoeia (擬音語) and mimetic words (擬態語) - essential vocabulary that brings your Japanese to life! KEY FEATURES 1,200+ Authentic Words • Curated from JMdict, Japan's most trusted dictionary • Covers sounds, emotions, movements, and states • Real Japanese sentences for context Quiz Mode • Test your knowledge • Multiple choice questions • Track your scores PERFECT FOR • JLPT N3-N1 learners • Manga and anime fans • Anyone wanting natural Japanese • Intermediate to advanced students DATA SOURCE All vocabulary data is sourced from JMdict, the renowned Japanese-English dictionary project, ensuring accuracy and reliability.

Screenshots

Doushi4 screens

Onoma Step4 screens

Verdict

The call

The clearest difference is in-app purchases: Doushi at none against Onoma Step's 1. Doushi also leads on ads (none vs shown). Onoma Step's advantage is update cadence (every 2 days vs every 2 weeks) and iOS requirement (13.0 vs 17). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Onoma Step sells 1 one-off in-app purchase. Doushi asks for nothing beyond the download.

UpkeepUpdate frequency

Doushi ships an update every 2 weeks, Onoma Step every 2 days. The most recent releases landed on October 8, 2026 and October 28, 2026 respectively.

Scorecard4 real differences · 2 level

Doushi versus Onoma Step: the parameters behind the verdict, then further details
Parameter	Doushi	Onoma Step
Price	Free	Free
Update frequency	Every 2 weeks	Every 2 days — better
Ads	No — better	Yes
In-app purchases	No — better	Yes
Devices	iPhone, iPad, Mac	iPhone, iPad, iPod
Requires iOS	17	13.0 — better
Further details — not scored
Size	4 MB	23 MB
Age rating	4+	4+
Developer	Binh Bui	JIHUN JO

In-app purchases

None

Doushi

No in-app purchases

1 purchases

Onoma Step

One-time1

Remove Ads$1.99

Questions

Is Doushi free?

Doushi is free to download, with no in-app purchases.

Is Onoma Step free?

Onoma Step is free to download, with in-app purchases available.

Do Doushi or Onoma Step have ads?

Onoma Step shows ads; Doushi does not.

Which is updated more often, Doushi or Onoma Step?

Doushi ships an update every 2 weeks, and Onoma Step every 2 days. Most recently, Doushi was updated on October 8, 2026 and Onoma Step on October 28, 2026.