Comparison

Smart Dictionary AI vs Doushi

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

Head to head

Smart Dictionary AI

Japanese Dictionary with AI

Learn Japanese Verbs

About

Smart Dictionary AI

Features

Read full description

Smart Dictionary is your reliable assistant in learning the Japanese language, combining advanced technologies and a rich lexical database. Specifically designed for students, translators, and anyone interested in Japanese culture.

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.

Screenshots

Smart Dictionary AI4 screens

Doushi4 screens

Verdict

The call

The clearest difference is ads: Doushi at none against Smart Dictionary AI's shown. Smart Dictionary AI's advantage is iOS requirement (15.1 vs 17). 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

Smart Dictionary AI ships an update fortnightly, Doushi every 2 weeks. The most recent releases landed on October 27, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 4 level

Smart Dictionary AI versus Doushi: the parameters behind the verdict, then further details
Parameter	Smart Dictionary AI	Doushi
Price	Free	Free
Update frequency	Fortnightly — better	Every 2 weeks
Ads	Yes	No — better
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, Mac
Requires iOS	15.1 — better	17
Further details — not scored
Size	172 MB	4 MB
Age rating	4+	4+
Developer	Alexey Alexeev	Binh Bui

In-app purchases

None

Smart Dictionary AI

No in-app purchases

None

Doushi

No in-app purchases

Questions

Is Smart Dictionary AI free?

Smart Dictionary AI is free to download, with no in-app purchases.

Is Doushi free?

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

Do Smart Dictionary AI or Doushi have ads?

Smart Dictionary AI shows ads; Doushi does not.

Which is updated more often, Smart Dictionary AI or Doushi?

Smart Dictionary AI ships an update fortnightly, and Doushi every 2 weeks. Most recently, Smart Dictionary AI was updated on October 27, 2026 and Doushi on October 8, 2026.