# Warble vs Sylvi

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.

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.

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.

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.

## The numbers

| Metric | Warble | Sylvi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (4 ratings)](https://appshunter.io/ios/app/warble/id1512831169/reviews) | **[4.7 (343 ratings)](https://appshunter.io/ios/app/sylvi-language-penpals/id6478706305/reviews)** |
| Number of ratings | 4 | **343** |
| Positive reviews | **88.9% of reviews** | 83.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 51 MB | 143 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Rowland Brache](https://appshunter.io/developer/1512831168) | [Sylvi Ltd](https://appshunter.io/developer/1733715535) |

## What reviewers say

### Warble

[App page](https://appshunter.io/ios/app/warble/id1512831169)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Warble Subscriptions | $3.49 | per month |
| Warble Subscriptions | $5.99 | per 3 months |
| Warble Subscriptions | $9.99 | per 6 months |
| Warble Subscriptions | $14.99 | per year |


### Sylvi

[App page](https://appshunter.io/ios/app/sylvi-language-penpals/id6478706305)

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:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sylvi Lite (Monthly) | $2.99 | per month |
| Monthly | $13.99 | per month |
| Monthly | $19.99 | per month |
| Monthly | $24.99 | per month |
| 3 months | $39.99 | per 3 months |
| 3 months | $39.99 | per 3 months |
| Annual | $59.99 | per year |
| Annual | $83.90 | per year |
| Annual | $89.99 | per year |
| Annual | $129.99 | per year |

**What reviewers like**

- 🚀 Excellent language learning tool
- 👍 Engaging and interactive
- 🤖 Helpful AI assistant
- 💬 Great for practicing conversations
- 📈 Noticeable improvement in language skills

**What reviewers complain about**

- 💰 Subscription required for full access
- 🔒 Limited free features
- 🌐 Lack of language options
- 🐛 Technical issues with speech recognition
- 🕰️ Repetitive lessons

**Reported bugs**

- Frequent app crashes
- Subscription issues
- Inconsistent user experience

**Requested features**

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


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*