Words vs iDesat by Envivia
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Words
Master English and German with engaging exercises and personalized training. Learn new words in just 20 minutes a day, track your progress, and study offline or on the go.
- 10 unique exercises
- Ready-made & custom lessons
- Built-in dictionary
- Accurate pronunciations
- Smart learning algorithm
- Offline mode
- Hands-free mode
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Words - Your Ultimate Language Learning Companion! TOP App of 2014 and Best New App (April 2014) With over 10 years of experience, we've created an app that is motivational, easy to use, and built for your success. Do you want to master a new language quickly and confidently? Trusted by over 3.000.000 users, Words is your best choice for learning English and German. Why Words is the best app: - 10 Unique Exercises: Master specific skills with short and fun lessons. - Ready-made & Custom Lessons: Learn with expert-created lessons or make your own. - Built-In Dictionary & Examples: Get instant translations and see word usage. - Accurate Pronunciations for all words and examples. - Smart Learning Algorithm: Personalised training for faster learning. - Achievements & Statistics: Track progress, earn rewards and stay motivated. - Hands-Free Mode: Learn on the go while shopping, walking, or commuting. - Offline Mode: Study anywhere, even without the internet. - iCloud Sync: Learn across all your devices. - Unlock Your Potential in Just 20 Minutes a Day. Make the most of your free time with Words. Learn new words only 20 minutes a day and boost your language fluency. Improve your language skills. Engaging exercises make learning feel like play. Each session targets skills like listening, spelling, and speaking, while our smart algorithm helps you practice tricky words until you master them. Earn points, win rewards, and see your progress grow! Thematic Blocks. Tailor your learning to what's most relevant right now, from people, food, and health to nature, clothing, and money and many more. Superfood for Your Brain. Join millions of users who are improving their language skills and building strong learning habits. Words is your fastest path to a language fluency. Subscription Information The subscription renews automatically unless auto-renewal is turned off 24 hours before the end of the current period. Manage your subscription or turn off auto-renewal in your iTunes account settings. Any unused portion of a free trial period is forfeited upon purchasing a subscription. Support: support@ulilab.com Site: https://ulilab.com Privacy policy: https://ulilab.com/privacy Terms of use: https://ulilab.com/terms
iDesat by Envivia
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[Master Your Dive Strategy] iDesat is a premium digital guide dedicated to planning and analyzing air dives, with or without decompression stops. Designed to support divers throughout their training and progression, the app combines clear educational content, technical analysis, and planning tools to help them better understand the impact of each choice before entering the water. [What iDesat Enables You to Do] • Understand Gradient Factors (GF) and consider a setting consistent with the planned profile • Choose your parameters for a no-decompression dive or a dive with decompression stops • Analyze Time To Surface (TTS) and the margins associated with the profile • Assess your gas consumption (RMV – Respiratory Minute Volume), reserves, and gas endurance • Explore scenarios to anticipate and their impact on ascent or gas consumption • Build a strategy suited to your experience, your dive team, and the expected conditions [A True Educational Companion] iDesat is designed for: Divers who want to prepare their air dives more effectively Recreational divers who want to better understand their decompression choices Experienced divers who want to analyze their margins and scenarios Instructors seeking a structured educational resource The app does more than display results: it helps you understand, compare, anticipate, and adjust your planning choices. [Important] iDesat is an educational planning aid. It does not replace recognized training, the procedures of your training agency, or a dive computer. Every dive plan must be adapted to actual conditions, the divers’ experience, and the dive team's procedures. [Multilingual] Available in French, English, Spanish, Italian, and German. [About iDesat Premium] • Payment will be charged to your iTunes account at confirmation of purchase. • The subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. • Your account will be charged for renewal within 24 hours prior to the end of the current period. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription. • Subscriptions may be managed by the user, and auto-renewal may be turned off in the iTunes account settings after purchase. Privacy Policy https://envivia.fr/policy/iDesat/privacy/ Terms of Use – EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: iDesat by Envivia at every 2 weeks against Words's every 2 months. iDesat by Envivia also leads on iOS requirement (15.6 vs 17.1). On price, ads, in-app purchases and device support 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. Words sells 12 in-app purchases, starting at $5.99 per 7 days and iDesat by Envivia sells 1 in-app purchase, starting at $5.99 per year. Whichever you choose, the download price is not the number that matters.
Words ships an update every 2 months, iDesat by Envivia every 2 weeks. The most recent releases landed on September 24, 2026 and September 16, 2026 respectively.
| Parameter | Words | iDesat by Envivia |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (1.1K ratings) — better | — |
| Positive reviews | 49.8% of reviews | — |
| Number of ratings | 1.1K — better | — |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.1 | 15.6 — better |
| Further details — not scored | ||
| Size | 103 MB | 72 MB |
| Age rating | 4+ | 12+ |
| Developer | Andrey Lebedev | ENVIVIA |
Bugs and requests
Words
Reported bugs
2 issues- Premium features disappear during offline use
- Inability to restore purchases after updates
Requested features
4 requests- Add image generation for all words
- Improve offline mode functionality
- Expand dictionary with more modern vocabulary
- Enhance customization and personalization options
iDesat by Envivia
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Words
- Premium Plus3 Days trial$5.997 Days
- Premium (English)$13.991 Month
- Premium (English)$19.991 Year
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- Premium Plus2 variants$24.991 Year
- Premium (German)$39.991 Year
- Premium (English)2 variants$39.993 Months
- Premium Plus$47.991 Year
- Premium (German)7 Days trial$79.991 Year
- Premium (English)$79.991 Year
- Premium (English)7 Days trial$79.991 Year
- Premium Plus7 Days trial$95.991 Year
- Premium Plus$129.99
iDesat by Envivia
- Premium$5.991 Year









