# SDM hubinterface vs Widget Vocabulary

The clearest difference is in-app purchases: SDM hubinterface at none against Widget Vocabulary's 2. SDM hubinterface also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Widget Vocabulary sells 2 in-app purchases, starting at $9.99 per 7 days. SDM hubinterface asks for nothing beyond the download.

SDM hubinterface ships an update every 2 weeks, Widget Vocabulary weekly. The most recent releases landed on October 5, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | SDM hubinterface | Widget Vocabulary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (428 ratings)](https://appshunter.io/ios/app/widget-vocabulary-learn-words/id6775767149/reviews)** |
| Number of ratings | — | **428** |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 44 MB | 120 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hub Marketing WLL](https://appshunter.io/developer/1755598473) | [Orbit Studios](https://appshunter.io/developer/1885662777) |

## What reviewers say

### SDM hubinterface

[App page](https://appshunter.io/ios/app/sdm-hubinterface/id6740837982)

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

**In-app purchases:** none


### Widget Vocabulary

[App page](https://appshunter.io/ios/app/widget-vocabulary-learn-words/id6775767149)

Learn new words daily directly from your Lock and Home Screens without dedicated study sessions. This app offers customizable widgets, flashcards with meanings and examples, and quizzes to test your knowledge. It supports various languages and exam-specific vocabulary packs.

**Highlights:** Lock screen vocabulary learning, Customizable home screen widgets, Thousands of flashcards, Interactive quizzes, Exam vocabulary packs, Multi-language support, Pronunciation audio

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $9.99 | per 7 days |
| Yearly Subscription | $49.99 | per year |


## Frequently asked questions

### Is SDM hubinterface free?

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

### Is Widget Vocabulary free?

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

### Do SDM hubinterface or Widget Vocabulary have ads?

Widget Vocabulary shows ads; SDM hubinterface does not.

### Which is updated more often, SDM hubinterface or Widget Vocabulary?

SDM hubinterface ships an update every 2 weeks, and Widget Vocabulary weekly. Most recently, SDM hubinterface was updated on October 5, 2026 and Widget Vocabulary on October 19, 2026.

---

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