# Duolingo vs AI Spanish Learning

The clearest difference is ads: AI Spanish Learning at none against Duolingo's shown. AI Spanish Learning also leads on iOS requirement (15.1 vs 17.0). Duolingo's advantage is rating (4.7 vs 4.3) and ratings volume (5.5M vs 128). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Duolingo sells 16 in-app purchases, starting at $9.99 per month and AI Spanish Learning sells 11 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Duolingo holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Duolingo has 5.5M ratings behind it against 128, so its average is the more settled of the two. Written reviews point the same way: 65% of Duolingo's written reviews are positive against 56% of AI Spanish Learning's.

Duolingo ships an update weekly, AI Spanish Learning every 8 days. The most recent releases landed on September 25, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Duolingo | AI Spanish Learning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (5.5M ratings)](https://appshunter.io/ios/app/duolingo-language-lessons/id570060128/reviews)** | [4.3 (128 ratings)](https://appshunter.io/ios/app/ai-spanish-learning-fluency/id6469807611/reviews) |
| Number of ratings | **5.5M** | 128 |
| Positive reviews | **64.6% of reviews** | 56.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 8 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#1** | — |
| Size | 489 MB | 49 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Duolingo, Inc](https://appshunter.io/developer/570060151) | [Fluency Technologies LLC](https://appshunter.io/developer/1712678899) |

## What reviewers say

### Duolingo

[App page](https://appshunter.io/ios/app/duolingo-language-lessons/id570060128)

**Currently charting:** #1 Top Free · Education, #1 Top Grossing · Education, #27 Top Grossing, #63 Top Free (US App Store)

Learn languages, math, music, and chess through fun, bite-sized lessons. Build vocabulary, grammar, and real-world skills with a science-based methodology. Track progress and stay motivated with a global community.

**Highlights:** Bite-sized language lessons, Speaking, reading, listening, writing practice, Math skills development, Music reading and playing, Chess strategy and gameplay, Progress tracking and rewards

**Features:** Vision Pro support

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Super Duolingo | $9.99 | per month |
| Super Duolingo | $12.99 | per month |
| Super Duolingo | $12.99 | per month |
| Super Duolingo | $59.99 | per year |
| Super Duolingo | $79.99 | per year |
| Super Duolingo | $83.99 | per year |
| Super Duolingo | $83.99 | per year |
| Super Duolingo | $95.99 | per year |
| Super Duolingo | $119.99 | per year |
| Super Duolingo | $119.99 | per year |
| Chest of Gems | $0.99 | one-time |
| Barrel of Gems (1200) | $4.99 | one-time |
| Chest of Gems (1200) | $4.99 | one-time |
| Cart of Gems (3000) | $9.99 | one-time |
| Barrel of Gems (3000) | $9.99 | one-time |
| Cart of Gems (6500) | $19.99 | one-time |

**What reviewers like**

- 🤩 Fun and entertaining learning experience
- 🎉 Motivating streak and league features
- 🎨 Cute and engaging animations
- 📚 Effective for learning vocabulary and basics
- 🤖 Useful AI-powered features like voice lessons

**What reviewers complain about**

- 🤖 Issues with voice recognition and pronunciation feedback
- 🤑 Aggressive monetization tactics and paywall for key features
- 🤯 Frustrating heart/health system that penalizes mistakes
- 🤔 Lack of grammar explanations and focus on just memorizing phrases
- 🤷‍♀️ Inconsistent app experience across platforms

**Reported bugs**

- Freezing or crashing during lessons
- Incorrect translations or answers marked wrong
- Inconsistent behavior of certain features like leagues

**Requested features**

- Add more languages, especially less common ones
- Improve grammar lessons and explanations
- Allow more flexibility in navigating the course content
- Provide better feedback and corrections for mistakes
- Sync progress and features consistently across app and web


### AI Spanish Learning

[App page](https://appshunter.io/ios/app/ai-spanish-learning-fluency/id6469807611)

Master Spanish with an AI-powered platform designed for serious learners. Improve vocabulary, grammar, pronunciation, and conversational skills through scientifically proven techniques and real-life context.

**Highlights:** AI-powered learning, Spaced repetition flashcards, Practical conversation simulations, Daily grammar and pronunciation lessons, Immersive stories for comprehension, Contextual vocabulary learning

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fluency Premium Pass | $2.99 | per 7 days |
| Fluency Premium Pass | $2.99 | per 7 days |
| Fluency Premium Pass | $5.99 | per 7 days |
| Fluency Premium Pass | $6.99 | per month |
| Fluency Premium Pass | $6.99 | per month |
| Fluency Premium Pass | $12.99 | per month |
| Fluency Premium Pass | $29.99 | per year |
| Fluency Premium Pass | $29.99 | per year |
| Fluency Premium Pass | $59.99 | per year |
| Lifetime Friends and Family | Free | one-time |
| Lifetime Premium Pass | $209.99 | one-time |

**What reviewers like**

- 💡 Innovative AI integration
- 👍 Great for intermediate learners
- 🗣️ Improves speaking and writing
- 📚 Contextual vocabulary
- 🚀 Efficient learning experience

**What reviewers complain about**

- 🐛 Bugs and glitches
- ❌ Network issues
- 🤖 Robot-like voice
- 🔒 Entirely behind paywall
- 🤔 Inconsistent pricing/offers

**Reported bugs**

- Network issues for months
- App won't load after charging
- AI is exact and unforgiving
- Cannot advance conversation tab
- Progress lost due to app returning to home page

**Requested features**

- Sync progress to other devices
- Advance pronunciation section level
- Option to speak with Latin American AI
- Lifetime subscription option
- Ability to revisit reading comprehension tests


## Frequently asked questions

### Is Duolingo free?

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

### Is AI Spanish Learning free?

AI Spanish Learning is free to download, with in-app purchases available.

### Which has better reviews, Duolingo or AI Spanish Learning?

Duolingo is rated higher. Duolingo averages 4.7 out of 5 from 5.5M ratings, while AI Spanish Learning averages 4.3 from 128 ratings.

### Do Duolingo or AI Spanish Learning have ads?

Duolingo shows ads; AI Spanish Learning does not.

### Which is updated more often, Duolingo or AI Spanish Learning?

Duolingo ships an update weekly, and AI Spanish Learning every 8 days. Most recently, Duolingo was updated on September 25, 2026 and AI Spanish Learning on September 6, 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.*