# ThirtyB vs ISEEVocabuddy

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.

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.

## The numbers

| Metric | ThirtyB | ISEEVocabuddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/thirtyb/id6746424055/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 3 MB |
| Requires iOS | 18.2 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Tasma Group, LLC](https://appshunter.io/developer/1816826980) | [Qiaqia Wu](https://appshunter.io/developer/1841442660) |

## What reviewers say

### ThirtyB

[App page](https://appshunter.io/ios/app/thirtyb/id6746424055)

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.

**Highlights:** Standardized test format questions, Adaptive learning and spaced repetition, Over 3,000 vocabulary words, Multiple game modes, Leaderboards and progress tracking, Handwriting bonus boosters

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Plan | $5.99 | per month |
| Yearly Premium Plan | $59.99 | per year |


### ISEEVocabuddy

[App page](https://appshunter.io/ios/app/iseevocabuddy/id6752872801)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ThirtyB free?

ThirtyB is free to download, with in-app purchases available.

### Is ISEEVocabuddy free?

ISEEVocabuddy is free to download, with no in-app purchases.

### Do ThirtyB or ISEEVocabuddy have ads?

Neither ThirtyB nor ISEEVocabuddy shows ads.

### Which is updated more often, ThirtyB or ISEEVocabuddy?

ThirtyB ships an update monthly, and ISEEVocabuddy every 3 weeks. Most recently, ThirtyB was updated on October 3, 2026 and ISEEVocabuddy on September 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*