Speech Jammer vs Reverse Singing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Speech Jammer
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Speech Jammer: The Ultimate Delayed Auditory Feedback App Ever tried talking while hearing your own voice with a slight delay? It's surprisingly difficult! Speech Jammer uses the psychological phenomenon of delayed auditory feedback (DAF) to create a unique and entertaining experience. WHAT IS SPEECH JAMMER? Speech Jammer disrupts your speech by playing back your voice with a slight delay through headphones. This delay confuses your brain's speech production system, making it extremely challenging to speak fluently. It's science based fun! KEY FEATURES Real time audio processing with adjustable delay Professional grade audio quality Customizable delay settings for optimal effect Simple, intuitive interface Works with any headphones or earbuds Recording functionality to save your hilarious attempts Perfect for parties, challenges, and social gatherings PERFECT FOR: Party Games: Challenge friends to say tongue twisters Public Speaking Practice: Improve focus and concentration Speech Therapy: Professional DAF therapy applications Entertainment: Hours of fun trying to beat the effect Social Media Content: Create funny challenge videos Education: Demonstrate psychological phenomena HOW IT WORKS The app records your voice through your device's microphone and plays it back through your headphones with a precise delay (typically 100 to 300 milliseconds). This delay interferes with your brain's natural feedback loop for speech, making it difficult to maintain fluent speech. SCIENTIFIC BACKGROUND Delayed Auditory Feedback has been studied extensively in psychology and speech therapy. The effect demonstrates how dependent our speech production is on auditory feedback. It's used professionally in speech therapy and research. EASY TO USE Connect your headphones or earbuds Grant microphone permission Start the jammer Try to speak normally, it's harder than you think! PRIVACY FOCUSED All audio processing happens locally on your device. No data is collected or transmitted. Your recordings stay private and under your control. PERFECT FOR ALL AGES Safe, clean entertainment suitable for everyone. No in app purchases, no subscriptions, just pure fun! Whether you're looking for party entertainment, speech practice tools, or just want to experience this fascinating psychological effect, Speech Jammer delivers an engaging and scientifically interesting experience. Download now and challenge yourself. Can you beat the speech jammer effect? Note: Headphones or earbuds are required for this app to work properly.
Reverse Singing
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Transform your voice with Reverse Audio - the fun and easy way to reverse your singing and audio recordings. Instantly hear how you sound when played backwards! Perfect for the viral Sing Backwards Challenge: record yourself singing normally, reverse the playback, and practice singing along to your reversed voice. When you reverse that recording again, you'll sound like you're singing forward perfectly! KEY FEATURES: • Instant Voice Reversal - Record and reverse with one tap • Waveform Visualization - See your audio as you record and playback • Sing Backwards Challenge Mode - Practice the viral trend • Playback Controls - Play forwards and backwards with precision • Save & Share - Export your reversed clips to friends • High-Quality Audio - Crystal clear recording and playback • Simple Interface - Easy to use for all ages • No Account Required - Start reversing immediately HOW TO SING BACKWARDS: 1. Record yourself singing a song normally 2. Reverse the audio to hear how it sounds backwards 3. Practice singing along to match the reversed version 4. Record your practice session 5. Reverse THAT recording to hear yourself singing forward! PERFECT FOR: • Creating funny voice clips to share with friends • Practicing the viral reverse singing challenge • Learning how your voice sounds backwards • Making unique audio content for social media • Voice training and speech practice • Audio editor for quick voice flipping • Entertainment and laughs with friends WHY REVERSE AUDIO? Unlike complex audio editors, Reverse Audio is designed specifically for instant voice reversal. No complicated settings, no learning curve - just record, reverse, and share. It's the simplest way to join the backwards singing trend. PRICING: • Free Version: Full functionality with ad support (limited recordings) • Reverse Audio Pro: One-time purchase removes ads and unlocks unlimited recordings forever Ready to hear your voice in reverse? Download now and try the Sing Backwards Challenge!
Screenshots
Verdict
The clearest difference is in-app purchases: Speech Jammer at none against Reverse Singing's 1. Speech Jammer also leads on ads (none vs shown) and iOS requirement (13.0 vs 17.0). Reverse Singing's advantage is update cadence (daily vs every 7 months). On price 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
Both are free to download. Reverse Singing sells 1 one-off in-app purchase. Speech Jammer asks for nothing beyond the download.
Speech Jammer ships an update every 7 months, Reverse Singing daily. The most recent releases landed on October 5, 2026 and September 29, 2026 respectively.
| Parameter | Speech Jammer | Reverse Singing |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Daily — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 19 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Writecream | Arya Mohajer |
In-app purchases
Speech Jammer
No in-app purchases
Reverse Singing
- Reverse Audio Pro$1.99
Questions
Is Speech Jammer free?
Is Reverse Singing free?
Do Speech Jammer or Reverse Singing have ads?
Which is updated more often, Speech Jammer or Reverse Singing?
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