qb DAF - Stuttering Speech Aid

Name: qb DAF - Stuttering Speech Aid revenue & download estimates
Creator: AppCurrents

App Store·MedicalPaid $1.99★ 4.75 (4)launched 5.1y agoapp updated 5d agocharts in 3 countries

Scout Score

qb DAF - Stuttering Speech Aid generates an estimated $200–$1k/month in revenue from 100–700 downloads/month on the App Store, according to AppCurrents estimates (updated 2026-06-17).

Estimates updated 17.06.2026 · How we estimate · Ranges reflect model confidence, not exact figures.
Est. revenue / month	$200–$1k
Est. downloads / month	100–700
Estimate confidence	high
Pricing	Paid $1.99
Rating	4.75 ★ (4 ratings)
Category	Medical
Released	12.05.2021
App last updated	12.06.2026
Platform	iOS

Est. downloads / mo

100–700

Est. revenue / mo

$200–$1k

Rating velocity / day

Chart velocity

—

Peak rank

—

Days tracked

—

Modeled monthly estimate · rating velocity · high confidence

About

Hear your voice differently. Speak more fluently. qb DAF brings Delayed Auditory Feedback — a technique used by speech-language pathologists for decades — to your pocket. Put on your headphones, press Start, and hear your own voice played back with a slight delay. For many people who stutter, this simple change is enough to noticeably improve fluency and slow down speech naturally. HOW IT WORKS…

View on the App Store →

Trends & analysis

Chart rank trend

US · overall

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

Why it's surfacing

Scout 16

Momentum

Newness

Breakout

Ratings & velocity

★ +0.25 in window

Total ratings

Jun 4Jun 14

New ratings / day

Jun 5Jun 14

Rating distribution

75% positive · 4 ratings

5★

75%

4★

3★

25%

2★

1★

Geographic reach

best rank · 3 storefronts

#8 category

#57 category

#66 category

Revenue & downloads trend

ARPU $1

Est. revenue / mo · $478

$478$0

Jun 4Jun 17

Est. downloads / mo · 343

3430

Jun 4Jun 17

Update history

2 updates tracked

v1.35d ago
A big update for qb DAF! • The waves now follow your real voice as you speak • Delay range extended up to 200 ms (in 25 ms steps) • Change the delay live, without stopping playback • New warning when using Bluetooth headphones, which add extra latency • Safer by design: the app now starts only with headphones connected, and stops automatically if they disconnect or a call comes in • Completely rebuilt audio engine for rock-solid start/stop reliability • Refreshed for the latest iPhones and iOS versions
v1.23.4y ago
Some bugs fixed

qb DAF - Stuttering Speech Aid — FAQ

How much money does qb DAF - Stuttering Speech Aid make?

According to AppCurrents estimates, qb DAF - Stuttering Speech Aid generates approximately $200–$1k per month (high confidence), modeled from its the App Store chart performance, rating velocity, and monetization signals.