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Kotoba—Voice Interpreter・Memos

(株)Kotoba Technologies Japan
App Store·ReferenceFree + IAP★ 4.44 (18)launched 1.4y agoapp updated 5d agocharts in 4 countries
Scout Score
11

Kotoba—Voice Interpreter・Memos generates an estimated $7k–$45k/month in revenue from 80–400 downloads/month on the App Store, according to AppCurrents estimates (updated 2026-08-02).

Estimates updated 02.08.2026 · How we estimate · Ranges reflect model confidence, not exact figures.
Est. revenue / month$7k–$45k
Est. downloads / month80–400
Estimate confidencelow
PricingFree + IAP
Rating4.44 ★ (18 ratings)
CategoryReference
Released21.02.2025
App last updated30.07.2026
PlatformiOS
Est. downloads / mo
80–400
Est. revenue / mo
$7k–$45k
Rating velocity / day
0
Chart velocity
—
Peak rank
—
Days tracked
—

Modeled monthly estimate · linked Android install floor · low confidence

About

"Kotoba" is a real-time voice simultaneous translation app developed by Kotoba Technologies, aiming to deliver the "world's best simultaneous translation experience." The app is built around Kotoba’s proprietary speech AI model, “Koto,” which supports our core translation languages, combined with external AI translation models for some other language pairs. ■ Privacy & AI Notice ・Kotoba records…

View on the App Store → Android version →

Trends & analysis

Chart rank trend

US · overall
Collecting rank history — no snapshots so far. Fills in twice daily.

Why it's surfacing

Scout 11
Newness
12
Breakout
1

Ratings & velocity

★ +0.07 in window
Total ratings
1816
Jun 4Aug 1
New ratings / day
10
Jun 5Aug 1

Rating distribution

75% positive · 16 ratings
5★
75%
4★
0%
3★
19%
2★
0%
1★
6%

Geographic reach

best rank · 4 storefronts
jp
#9 category
tw
#43 category
au
#58 category
kr
#60 category

Revenue & downloads trend

ARPU $112
Est. revenue / mo · $18k
$359k$0
Jun 4Aug 2
Est. downloads / mo · 161
1k0
Jun 4Aug 2

In-app purchases

3 tiers
Day pass$10
Unlimited Monthly$100
Unlimited Plan$1000

Update history

5 updates tracked
  • v1.4.95d ago

    Bug fixes and performance improvements

  • v1.4.81mo ago

    Bug fixes and performance improvements

  • v1.4.71mo ago

    Bug fixes and performance improvements

  • v1.4.62mo ago

    Bug fixes and performance improvements

  • v1.4.52mo ago

    Bug fixes and performance improvements

Kotoba—Voice Interpreter・Memos — FAQ

How much money does Kotoba—Voice Interpreter・Memos make?

According to AppCurrents estimates, Kotoba—Voice Interpreter・Memos generates approximately $7k–$45k per month (low confidence), modeled from its the App Store chart performance, rating velocity, and monetization signals.

How many downloads does Kotoba—Voice Interpreter・Memos get?

Kotoba—Voice Interpreter・Memos sees an estimated 80–400 downloads per month on the App Store, per AppCurrents modeling.

Is Kotoba—Voice Interpreter・Memos free?

Kotoba—Voice Interpreter・Memos is free to download on the App Store, monetizing through in-app purchases.

What is Kotoba—Voice Interpreter・Memos's rating?

Kotoba—Voice Interpreter・Memos holds a 4.44-star average from 18 ratings on the App Store.

When was Kotoba—Voice Interpreter・Memos released?

Kotoba—Voice Interpreter・Memos launched on the App Store on 21.02.2025. Its latest version shipped 30.07.2026.

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