flwr.app vs CDL Prep
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
flwr.app
This app offers a fun and interactive way to learn new languages through reading. It presents books sentence by sentence, allowing users to translate unknown words or entire sentences for better comprehension. Available in multiple languages, it makes language acquisition engaging.
- Bilingual book reading
- Sentence-by-sentence translation
- Word translation
- Multiple language support
- Interactive learning
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Flower is a simple app for reading bilingual books. Here you read a book sentence by sentence. If you come across an unknown word, you translate it. And if you can't understand the meaning of the sentence, you translate the whole sentence. Sounds easy? Install the app and see for yourself. Available languages: English, French, German, Italian, Russian, Spanish, Greek, Portuguese.
CDL Prep
Prepare for your Commercial Driver's License (CDL) test with this comprehensive iOS study tool. It offers practice exams, flashcards, and detailed explanations to help you master all sections of the CDL test, including general knowledge, hazardous materials, and air brakes.
- Extensive study materials
- Practice exams and simulations
- Hundreds of test questions
- Flashcards
- Detailed explanations
- Customizable practice tests
- Progress tracking
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CDL Prep App is an invaluable tool for anyone looking to pass their Commercial Driver’s License (CDL) test. Designed exclusively for iOS devices, this app provides an extensive collection of study materials, practice exams, and essential tools to help you master the CDL test in no time. The app’s user-friendly interface makes studying on-the-go a breeze. It consists of hundreds of test questions, flashcards, and test simulations crafted by professional driving instructors. These questions cover all sections of the CDL test like general knowledge, hazardous materials, air brakes, and more. With the detailed explanations for every question, you’ll get a deep understanding of the subject matters and learn how to avoid common pitfalls. One of the standout features of this app is the customizable practice tests, allowing you to focus on particular subjects you’re struggling with. The app keeps a record of all your attempts, enabling you to track your progress and identify areas where you need improvement. Benefit from frequent updates, ensuring you're studying with the most up-to-date information, as regulations or rules may change over time. Some features, such as exams or topics beyond the basic levels of general knowledge or pre-trip information, may require an active subscription. Privacy Policy: https://btnotifier.com/privacy Terms: https://btnotifier.com/terms
Screenshots
Verdict
flwr.app and CDL Prep both sit at 4.7 stars, but that hides the real split: 82% of flwr.app's written reviews are positive against 25% of CDL Prep's. flwr.app also leads on update cadence (every 3 weeks vs every 5 months). On price, rating, ratings volume and ads 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
Both are free to download. flwr.app sells 1 in-app purchase, starting at $1.00 per month and CDL Prep sells 4 in-app purchases, starting at $19.99 per 3 months. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for flwr.app against 4.8 for CDL Prep. Both are backed by a comparable volume of ratings — 186 and 375 respectively. Written reviews are what separate them: 82% of flwr.app's written reviews are positive against 25% of CDL Prep's.
flwr.app ships an update every 3 weeks, CDL Prep every 5 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.
| Parameter | flwr.app | CDL Prep |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (186 ratings) | 4.8 (375 ratings) — better |
| Positive reviews | 82.1% of reviews — better | 25.0% of reviews |
| Number of ratings | 186 | 375 — better |
| Update frequency | Every 3 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.4 | 12.4 |
| Further details — not scored | ||
| Size | 24 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Grigory Pushkov | Nurlan Kasabulatov |
Customer experience
flwr.app
CDL Prep
In-app purchases
flwr.app
- Monthly subscription$1.001 Month
CDL Prep
- CDL Prep Test 2023 Premium$19.993 Months
- CDL Prep Test 2023 Annual$29.991 Year
- CDL Prep Premium7 Days trial$39.991 Year
- CDL Prep Test 2023 Lifetime$99.99









