Vocabster vs Zonlo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vocabster
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Welcome to Vocabster, your ultimate vocabulary booster! You can boost your English with Vocabster! Dive into an expansive collection of 4,000+ modern words, enhanced with detailed descriptions, word types, phonetics, usage sentences or example sentences. Elevate your pronunciation with our cutting-edge & state-of-the-art Text-to-Speech feature. Dive into the world of language with 6+ diverse categories, catering to every interest and need. Personalize your learning journey by customizing your experience with a variety of themes. Whether you're a language enthusiast, a student, or a professional looking to expand your vocabulary, Vocabster is your go-to app for enriching your vocabulary and language skills effortlessly. Download now and embark on a journey to linguistic excellence with Vocabster - Your Vocabulary Booster!
Zonlo
Practice speaking aloud in a private environment before real conversations. This app offers a judgment-free space to rehearse your thoughts using just your voice and a microphone, without any chatbot interaction.
- Private speaking rehearsal
- No judgment environment
- Voice-only practice
- No chatbot interaction
- Real conversation preparation
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Zonlo is a private space to rehearse speaking out loud before the real conversation happens. No judgment. No chatbot. Just you and a mic.
Screenshots
Verdict
The clearest difference is in-app purchases: Vocabster at none against Zonlo's 3. Vocabster also leads on iOS requirement (12.4 vs 17.0). Zonlo's advantage is ads (none vs shown) and update cadence (every 5 days vs every 2 months). On price 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. Zonlo sells 3 in-app purchases, starting at $4.99 per month. Vocabster asks for nothing beyond the download.
Vocabster ships an update every 2 months, Zonlo every 5 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Vocabster | Zonlo |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 49 MB | 22 MB |
| Age rating | 17+ | 4+ |
| Developer | Kamran Younis | Corbyn Ledbetter |
In-app purchases
Vocabster
No in-app purchases
Zonlo
- Zonlo Pro Monthly$4.991 Month
- Zonlo Pro Yearly7 Days trial$29.991 Year
- Zonlo Pro Lifetime$99.99
