Comparison

Speech Jammer° vs Mentarapp

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

Head to head
About

Speech Jammer°

Record your voice and play it back with an adjustable delay to create speech impairment. Use tongue twisters and headphones to enhance the difficulty and challenge your speaking abilities. Save and share your recorded sessions with friends.

Highlights
  • Adjustable delay for speech impairment
  • Tongue twisters for increased difficulty
  • Record speech jammer sessions
  • Share recordings
  • Simple and easy-to-use interface
Features
Read full description

Speech Jammer will record your voice and replay it back to you at an adjustable delay. This is known as Delayed Auditory Feedback (DAF) and results in difficulty speaking. You just put on your headphones, turn up the volume and read the sentences. The more you spontaneously and continuously talk with the Speech Jammer, the harder talking becomes. Speech Jammer Features ● Adjustable delay to impair speech ● Tongue twisters to make it even more difficult ● Ability to record Speech Jammer sessions ● Share recordings with your friends ● Simple and easy-to-use layout Speech Jammer works best with noise cancelling headphones and headphones with the microphone built-in.

About

Mentarapp

Features
Read full description

Mentara is your personal second brain for capturing, connecting, and understanding your ideas. KEY FEATURES: - Private by Design Your notes are stored locally on your device. No accounts required, no cloud sync, no tracking. Your thoughts stay private. - AI-Powered Note Scanning Capture handwritten notes, documents, or whiteboards with your camera. AI extracts and formats the text instantly. - Deep Thinking AI Let AI analyze your notes in depth to uncover insights, connections, and new ideas you might have missed. - Connect Your Thoughts Link notes together with [[wiki-links]] to build a personal knowledge web that grows with you. - Smart Organization Use folders, #tags, and powerful search to keep everything organized and easy to find. - Swipe Actions Pin, archive, or delete notes with intuitive swipe gestures. - Beautiful Customization Choose from stunning gradient backgrounds for your notes and switch between light and dark themes. - Optional PIN Protection Add an extra layer of security with a customizable PIN lock. - Export Your Data Export all your notes to PDF or CSV anytime. Your data, your control. - Available in 3 Languages Full support for English, Spanish, and French. Note: AI features (Note Scanning and Deep Thinking) require an internet connection and an OpenAI API key, configurable in Settings. All core note-taking features work fully offline. Mentara is perfect for journaling, brainstorming, studying, or building your personal knowledge base.

Screenshots

Speech Jammer°3 screens
Mentarapp4 screens

Verdict

The call

The clearest difference is in-app purchases: Mentarapp at none against Speech Jammer°'s 2. Mentarapp also leads on ads (none vs shown) and update cadence (every 2 months vs every 10 months). On price, device support and iOS requirement 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. Speech Jammer° sells 2 one-off in-app purchases. Mentarapp asks for nothing beyond the download.

UpkeepUpdate frequency

Speech Jammer° ships an update every 10 months, Mentarapp every 2 months. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

Scorecard3 real differences · 7 level
Speech Jammer° versus Mentarapp: the parameters behind the verdict, then further details
ParameterSpeech Jammer°Mentarapp
PriceFreeFree
Rating3.4 (83 ratings) — better—
Positive reviews5.9% of reviews—
Number of ratings83 — better—
Update frequencyEvery 10 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size18 MB34 MB
Age rating4+4+
DeveloperNilu TechnologiesAdrian Serrano Mota

In-app purchases

2 purchases

Speech Jammer°

One-time2
  • Remove Ads$3.99
  • Remove Ads Lifetime$9.99
None

Mentarapp

No in-app purchases

Questions

Is Speech Jammer° free?
Speech Jammer° is free to download, with in-app purchases available.
Is Mentarapp free?
Mentarapp is free to download, with no in-app purchases.
Do Speech Jammer° or Mentarapp have ads?
Speech Jammer° shows ads; Mentarapp does not.
Which is updated more often, Speech Jammer° or Mentarapp?
Speech Jammer° ships an update every 10 months, and Mentarapp every 2 months. Most recently, Speech Jammer° was updated on October 24, 2026 and Mentarapp on October 16, 2026.

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