Comparison

Warble vs Sylvi

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

Head to head
About

Warble

Discover songs perfectly suited to your vocal range and type. This app offers a vast library of music with unique filtering options to quickly find your next performance piece. Ideal for singers of all levels looking to simplify their song selection process.

Highlights
  • Search by voice type
  • Search by voice range
  • Unlimited filters
  • Unlimited favorites
  • Extensive song library
  • New songs added weekly
Read full description

Love to sing? Need help finding a song? Warble has got you covered! Simply enter your voice type or voice range and BAM! Warble has done the work for you! With over 5000 songs (and new songs added every week!) you are sure to find the perfect song to suit your voice. Warble's unique filtering functions make finding the right song super quick and easy! No more hours spent on YouTube or Spotify looking for the perfect song to sing for your next big audition or karaoke night. Whether you are a beginner or a professional, Warble makes song searching simple. NEW SONGS ADDED EVERY WEEK! BASIC FEATURES: *Search by Voice Type *Limited use of filters *Limited use of favourites *Profile page PREMIUM FEATURES: *Search by Voice Type *Search by Voice Range *Unlimited filters *Unlimited favourites *Profile page Follow Warble on Twitter: https://twitter.com/Warble_App

About

Sylvi

Practice foreign languages with AI penpals that offer real-time, tutor-level feedback on every message. Build vocabulary, track progress, and connect with friends to improve your conversational fluency. Offers a variety of languages and accents.

Highlights
  • AI-powered language practice
  • Tutor-level feedback on messages
  • Customizable AI penpal accents
  • Vocabulary building and testing
  • Practice with friends
  • Streak tracking
Features
Read full description

AI penpals that feel like native friends. Tutor-level feedback on every single message. That's Sylvi. You can even pick a penpal with the exact accent you want to have. French (France and Canada) Spanish (Spain, Mexico, Colombia, Puerto Rico, etc) German Italian Portuguese (Portugal and Brazil) English (UK, US, Australia) More languages coming soon - follow our journey on @sylvi_app Too shy to talk to a native speaker? Practice with AI penpals who know you well enough to ask about your day. Every message you send is corrected and explained in real time - not just flagged, but actually taught, so when the real moment comes, you're ready for it. - Learn the phrases you need, for the life you lead Build your vocabulary by saving words important to you. Test yourself daily to memorise them. - Stay accountable with friends Practice with your friends regardless of what language they're learning or what level they're at. "I've used a lot of different language apps... but Sylvi has been the one I've been having the most success with growth-wise. At least from what my tutor tells me." Can't bear to lose your streak? We won't tell. If you've got a streak you can't bear to lose, message us at support@sylvi.ai and we'll transfer it straight to Sylvi. Try us free for 1 week, then pick a subscription that works for you. "I know grammar. I know all of these vocabularies, but you're kind of stuck in the middle of like - how do I become comprehensible? Then I found Sylvi" - Amira, UK "I could say, 'I'm going to the cinema today'. Then if I do Sylvi tomorrow, my penpal will come back and say, 'so what film did you see at the cinema?'. I love the continuity. It's so clever." - James, US

Screenshots

Warble4 screens
Sylvi4 screens

Verdict

The call

The clearest difference is rating: Sylvi at 4.7 against Warble's 3.3. Sylvi also leads on ads (none vs shown) and update cadence (every 3 days vs every 2 months). On price, review sentiment, in-app purchases and monetization model 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. Warble sells 4 in-app purchases, starting at $3.49 per month and Sylvi sells 10 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Sylvi holds the better App Store score, 4.7 against 3.3. That said, the two scores are not equally well evidenced: Sylvi has 343 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 89% of Warble's written reviews are positive against 83% of Sylvi's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Warble ships an update every 2 months, Sylvi every 3 days. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

Scorecard4 real differences · 6 level
Warble versus Sylvi: the parameters behind the verdict, then further details
ParameterWarbleSylvi
PriceFreeFree
Rating3.3 (4 ratings)4.7 (343 ratings) — better
Positive reviews88.9% of reviews — better83.2% of reviews
Number of ratings4343 — better
Update frequencyEvery 2 monthsEvery 3 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better16.4
Further details — not scored
Size51 MB143 MB
Age rating4+12+
DeveloperRowland BracheSylvi Ltd

Customer experience

Warble

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews9 reviews
Positive88.9%
Neutral0.0%
Negative11.1%

Sylvi

All ratings343 ratings
Positive92.4%
Neutral1.5%
Negative6.1%
Written reviews214 reviews
Positive83.2%
Neutral2.3%
Negative14.5%

Bugs and requests

Warble

Not enough reviews yet to summarise bugs or requests.

Sylvi

Reported bugs

3 issues
  • Frequent app crashes
  • Subscription issues
  • Inconsistent user experience

Requested features

5 requests
  • Expand language options
  • Improve free version features
  • Implement more personalized learning
  • Add more advanced conversation scenarios
  • Improve speech recognition accuracy

In-app purchases

4 purchases

Warble

Subscriptions4
  • Warble Subscriptions$3.491 Month
  • Warble Subscriptions$5.993 Months
  • Warble Subscriptions$9.996 Months
Show 1 more
  • Warble Subscriptions3 Days trial$14.991 Year
10 purchases

Sylvi

Subscriptions10
  • Sylvi Lite (Monthly)7 Days trial$2.991 Month
  • Monthly7 Days trial$13.991 Month
  • Monthly7 Days trial$19.991 Month
Show 7 more
  • Monthly7 Days trial$24.991 Month
  • 3 months14 Days trial$39.993 Months
  • 3 months7 Days trial$39.993 Months
  • Annual7 Days trial$59.991 Year
  • Annual14 Days trial$83.901 Year
  • Annual7 Days trial$89.991 Year
  • Annual7 Days trial$129.991 Year

Questions

Is Warble free?
Warble is free to download, with in-app purchases available.
Is Sylvi free?
Sylvi is free to download, with in-app purchases available.
Which has better reviews, Warble or Sylvi?
Sylvi is rated higher. Warble averages 3.3 out of 5 from 4 ratings, while Sylvi averages 4.7 from 343 ratings.
Do Warble or Sylvi have ads?
Warble shows ads; Sylvi does not.
Which is updated more often, Warble or Sylvi?
Warble ships an update every 2 months, and Sylvi every 3 days. Most recently, Warble was updated on November 7, 2026 and Sylvi on November 8, 2026.

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