# Vocabulary Builder vs LogicBrain

The clearest difference is update cadence: Vocabulary Builder at every 2 days against LogicBrain's every 5 weeks. Vocabulary Builder also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Vocabulary Builder sells 1 in-app purchase, starting at $5.99 per month and LogicBrain sells 3 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

Vocabulary Builder ships an update every 2 days, LogicBrain every 5 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Vocabulary Builder | LogicBrain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/vocabulary-builder-1983/id6768650656/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 weeks |
| Monetization | Subscription | — |
| Size | 19 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [soumaya Jameleddine](https://appshunter.io/developer/1890260603) | [Phu Ho](https://appshunter.io/developer/380467843) |

## What reviewers say

### Vocabulary Builder

[App page](https://appshunter.io/ios/app/vocabulary-builder-1983/id6768650656)

Explore words through a unique two-dimensional map of intensity and nuance. Discover curated definitions and examples, then test your knowledge with adaptive quizzes. Track your progress and earn virtual achievements.

**Highlights:** Two-dimensional word mapping (intensity & nuance), Curated definitions and examples, Adaptive quiz modes (definition, nuance, intensity), Practice progress tracking (heatmap, missed words), Daily Word of the Day widget, Mastery achievements

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1983 Pro | $5.99 | per month |


### LogicBrain

[App page](https://appshunter.io/ios/app/logicbrain-logic-training/id6789635234)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LogicBrain Pro Monthly | $12.99 | per month |
| LogicBrain Pro Annual | $59.99 | per year |
| LogicBrain Pro Lifetime | $149.99 | one-time |


## Frequently asked questions

### Is Vocabulary Builder free?

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

### Is LogicBrain free?

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

### Do Vocabulary Builder or LogicBrain have ads?

Neither Vocabulary Builder nor LogicBrain shows ads.

### Which is updated more often, Vocabulary Builder or LogicBrain?

Vocabulary Builder ships an update every 2 days, and LogicBrain every 5 weeks. Most recently, Vocabulary Builder was updated on October 24, 2026 and LogicBrain on October 24, 2026.

---

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