ThirtyB vs ISEEVocabuddy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ThirtyB
Prepare for standardized tests with engaging vocabulary challenges. This app offers multiple-choice questions, adaptive learning, and spaced repetition to help you master over 3,000 words. Track your progress, compete on leaderboards, and enjoy a focused learning experience.
- Standardized test format questions
- Adaptive learning and spaced repetition
- Over 3,000 vocabulary words
- Multiple game modes
- Leaderboards and progress tracking
- Handwriting bonus boosters
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Modeled after U.S. standardized test formats, it challenges users with synonym-based multiple-choice questions across five unique modes. Each day, players get 30 minutes to earn points, climb leaderboards, and master over 3,000 words using adaptive learning, spaced repetition, and instant feedback. With analytics, social accountability, and handwriting-powered bonus boosters, ThirtyB makes deep learning fast, focused, and fun. Terms of Use: https://30b.ai/?page_id=71 Privacy Policy: https://30b.ai/?page_id=3#
ISEEVocabuddy
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ISEEVocabuddy helps middle school students prepare for the ISEE verbal reasoning section with a curated list of 250+ vocabulary words. Track progress, star difficult words, and boost your score!
Screenshots
Verdict
The clearest difference is in-app purchases: ISEEVocabuddy at none against ThirtyB's 2. ISEEVocabuddy also leads on iOS requirement (16.6 vs 18.2). On price, update cadence, ads 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. ThirtyB sells 2 in-app purchases, starting at $5.99 per month. ISEEVocabuddy asks for nothing beyond the download.
ThirtyB ships an update monthly, ISEEVocabuddy every 3 weeks. The most recent releases landed on October 3, 2026 and September 28, 2026 respectively.
| Parameter | ThirtyB | ISEEVocabuddy |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.2 | 16.6 — better |
| Further details — not scored | ||
| Size | 22 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | The Tasma Group, LLC | Qiaqia Wu |
In-app purchases
ThirtyB
- Monthly Premium Plan$5.991 Month
- Yearly Premium Plan$59.991 Year
ISEEVocabuddy
No in-app purchases
Questions
Is ThirtyB free?
Is ISEEVocabuddy free?
Do ThirtyB or ISEEVocabuddy have ads?
Which is updated more often, ThirtyB or ISEEVocabuddy?
Other comparisons
