Comparison

Native Speech vs FormantScope

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

Head to head

Native Speech

Check pronunciation and word

About

Native Speech

Features

Read full description

NativeSpeech is an AI-powered language tool that helps you improve your speaking with AI Conversation and a smart pronunciation checker and lets you practice by reading anything you want, from custom text to real-world content. Privacy Policy: https://nativespeech.app/privacy-policy Terms of Use: https://nativespeech.app/terms-of-service

About

FormantScope

Features

Read full description

FormantScope analyzes your voice in real time on device: it shows fundamental frequency (F0), the first and second formants (F1 and F2), and input level, with short history charts for practice and coaching. • Live numeric readouts for F0, F1, F2, and level • Dual-series charts with independent scales • Stability and gating to reduce flicker during continuous phonation • Optional WAV export to a folder you choose • iPhone, iPad, and Mac; microphone is used only for local analysis • No account required; open-source project (see support link) FormantScope does not send your microphone audio to the developer for processing. Optional recordings are saved only where you select on your device.

Screenshots

Native Speech4 screens

FormantScope2 screens

Verdict

The call

The clearest difference is in-app purchases: FormantScope at none against Native Speech's 6. Native Speech's advantage is update cadence (weekly vs every 6 weeks) and iOS requirement (15.1 vs 17.0). On price, ads 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. Native Speech sells 6 in-app purchases, starting at $2.99 per 7 days. FormantScope asks for nothing beyond the download.

UpkeepUpdate frequency

Native Speech ships an update weekly, FormantScope every 6 weeks. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.

Scorecard3 real differences · 3 level

Native Speech versus FormantScope: the parameters behind the verdict, then further details
Parameter	Native Speech	FormantScope
Price	Free	Free
Update frequency	Weekly — better	Every 6 weeks
Ads	No	No
In-app purchases	Yes	No — better
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	15.1 — better	17.0
Further details — not scored
Size	38 MB	4 MB
Age rating	4+	4+
Developer	KTC Technology	跃然王

In-app purchases

6 purchases

Native Speech

Subscriptions6

Weekly Standard Plan$2.997 Days
Weekly Pro Plan$6.997 Days
Monthly Standard Plan$8.991 Month

Show 3 more

Monthly Pro Plan$19.991 Month
Annual Standard Plan$71.991 Year
Annual Pro Plan$159.991 Year

None

FormantScope

No in-app purchases

Questions

Is Native Speech free?

Native Speech is free to download, with in-app purchases available.

Is FormantScope free?

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

Do Native Speech or FormantScope have ads?

Neither Native Speech nor FormantScope shows ads.

Which is updated more often, Native Speech or FormantScope?

Native Speech ships an update weekly, and FormantScope every 6 weeks. Most recently, Native Speech was updated on September 17, 2026 and FormantScope on September 16, 2026.