# WRD vs Cobalt

The clearest difference is review sentiment: Cobalt at 100% against WRD's 51%. Cobalt also leads on update cadence (weekly vs every 3 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. WRD sells 10 in-app purchases, starting at $3.99 per 7 days and Cobalt sells 10 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

WRD ships an update every 3 weeks, Cobalt weekly. The most recent releases landed on November 10, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | WRD | Cobalt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.8K ratings)](https://appshunter.io/ios/app/wrd-learn-words/id1554312100/reviews)** | — |
| Number of ratings | **2.8K** | — |
| Positive reviews | 50.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 392 MB | 132 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Happymagenta UAB](https://appshunter.io/developer/1105393733) | [Theo Rousseau](https://appshunter.io/developer/1814683681) |

## What reviewers say

### WRD

[App page](https://appshunter.io/ios/app/wrd-learn-words/id1554312100)

Accelerate language learning with engaging exercises designed to improve vocabulary and master reading, listening, speaking, and writing skills. Utilize high-quality audio from native speakers and a science-based process for long-term word retention. The app adapts to your pace and offers personalized learning plans.

**Highlights:** Accelerated vocabulary learning, Reading, listening, speaking, writing practice, Native speaker audio, Science-based memory techniques, Personalized learning plans, Progress tracking across multiple languages

**Features:** Family Sharing, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WRD Pro (1 Week) | $3.99 | per 7 days |
| WRD Plus (1 month) | $7.99 | per month |
| WRD Pro (1 Month) | $9.99 | per month |
| Unlock Everything (1 month) | $9.99 | per month |
| Family PRO (Monthly) | $12.99 | per month |
| WRD Pro (3 Months) | $19.99 | per 3 months |
| WRD Pro (6 Months) | $39.99 | per 6 months |
| Unlock Everything (6 month) | $39.99 | per 6 months |
| WRD Plus (1 Year) | $59.99 | per year |
| WRD Pro (1 Year) | $69.99 | per year |

**What reviewers like**

- 🚀 Efficient learning
- 👍 User-friendly interface
- ⭐ Excellent for vocabulary
- 💡 Helpful visual aids
- 🎓 Effective for language learning

**What reviewers complain about**

- 💰 Expensive subscription
- 🐛 Incorrect translations
- 🔍 Limited vocabulary
- 🤔 Confusing exercise types
- 🚫 Aggressive monetization

**Reported bugs**

- Frequent crashes
- Freezing issues
- Inability to change language
- Incorrect word pronunciations

**Requested features**

- Add more languages
- Improve German vocabulary
- Allow custom word lists
- Provide sample sentences
- Adjust audio playback speed


### Cobalt

[App page](https://appshunter.io/ios/app/cobalt-book-summaries/id6746136038)

This app transforms global bestsellers into concise 5, 10, or 15-minute summaries. It uses AI to customize summaries based on your preferences, offering actionable, scientific, or key takeaway formats. Access an elite library of over 300 titles across business, psychology, and biographies, with offline reading capabilities.

**Highlights:** Custom AI summaries, Actionable, Scientific, Key Takeaways formats, Elite library of 300+ titles, Business, Psychology, Biography categories, Offline reading mode, Reduced eye strain interface

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abonnement Mensuel (-40%) | $2.99 | per month |
| Weekly Premium subscription. | $3.99 | per 7 days |
| Abonnement Annuel (-40%) | $29.99 | per year |
| Parcours Vitalité & Santé | $3.99 | one-time |
| Moment Présent | $3.99 | one-time |
| Sport & Performance | $3.99 | one-time |
| Mindset & Psychologie | $3.99 | one-time |
| Entrepreneuriat & Business | $3.99 | one-time |
| Pack Complet - Tous Parcours | $22.99 | one-time |
| Cobalt Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is WRD free?

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

### Is Cobalt free?

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

### Do WRD or Cobalt have ads?

Neither WRD nor Cobalt shows ads.

### Which is updated more often, WRD or Cobalt?

WRD ships an update every 3 weeks, and Cobalt weekly. Most recently, WRD was updated on November 10, 2026 and Cobalt on November 8, 2026.

---

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