Russian21 vs Peek
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Russian21
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Master Russian in 21 days with Russian21! Learn Russian through a structured 21-day course designed for real-world conversations. Practice with Speech recognition, track your progress, get advice from a teacher, and learn while driving your car. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Peek
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Do you want to learn languages naturally by picking up new words and vocabulary through quick daily glances? Welcome to Peek β a passive language learning app that lets you learn new languages directly from your home screen. Peek is designed for language learners who want to learn new languages through natural repetition and simple exposure to vocabulary and phrases throughout the day. Instead of opening the app for lessons or studying flashcards manually, it helps you learn by showing automatic flashcards on your home screen widget throughout the day. Whether you are checking your phone during the day, working, or relaxing, Peek lets you improve your vocabulary recognition and language familiarity without pressure or complicated lessons. How to Use Peek? 1. Install the app 2. Add the widget on your home screen 3. Start learning from daily glances Just install Peek and add the smart widget to your home screen. The widget will automatically display flashcards with new words and phrases throughout the day so you can learn naturally while checking the time, notifications, or weather. You donβt need to open the app constantly. Every quick glance at your phone becomes a small learning moment. Key Features of Peek: Passive language learning: Learn languages naturally through auto-updating flashcards that appear on your home screen widget. Home screen widget learning: Smart flashcards appear directly on your home screen, turning everyday screen checks into learning opportunities. Create your own flashcards: Add your own words, phrases, and translations to personalize your learning experience and focus on what matters most to you. Natural daily exposure: Dozens of quick exposures each day help your brain remember vocabulary effortlessly over time. Smart vocabulary building: Common words and useful phrases repeat naturally to help improve memory and recognition. Simple and stress-free learning: No long sessions, no pressure, and no need to open the app constantly. So why wait? Install Peek, add the widget to your home screen, and turn your everyday screen time into a simple language learning habit. Terms of Use:β¨https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Russian21 at every 5 days against Peek's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Russian21 sells 1 one-off in-app purchase and Peek sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Russian21 ships an update every 5 days, Peek every 2 weeks. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.
| Parameter | Russian21 | Peek |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days β better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad β better | iPhone |
| Requires iOS | 17.6 β better | 18.2 |
| Further details β not scored | ||
| Size | 361 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | OLE PETTER HAUGEN | Melvyn Hoarau |
In-app purchases
Russian21
- Russian21 Pro$19.99
Peek
- Peek+ Monthly$4.991 Month
- Peek+ Annual$29.991 Year









