# Sentential vs Vocabulary builder Stellar

The clearest difference is in-app purchases: Sentential at none against Vocabulary builder Stellar's 4. Sentential also leads on ads (none vs shown) and device support (4 vs 2). Vocabulary builder Stellar's advantage is update cadence (weekly vs every 5 months). On price and iOS requirement there is nothing between them.

Both are free to download. Vocabulary builder Stellar sells 4 in-app purchases, starting at $1.99 per month. Sentential asks for nothing beyond the download.

Sentential ships an update every 5 months, Vocabulary builder Stellar weekly. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Sentential | Vocabulary builder Stellar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Weekly** |
| Size | 19 MB | 231 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Afzaal Ahmad Zeeshan](https://appshunter.io/developer/1712161581) | [Rustam Karimov](https://appshunter.io/developer/1847729927) |

## What reviewers say

### Sentential

[App page](https://appshunter.io/ios/app/sentential/id6738532992)

**Features:** Vision Pro support

**In-app purchases:** none


### Vocabulary builder Stellar

[App page](https://appshunter.io/ios/app/vocabulary-builder-stellar/id6754393964)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vocadoo Premium | $1.99 | per month |
| Vocadoo Premium | $9.99 | per year |
| Vocadoo Premium | $4.99 | one-time |
| Vocadoo Premium — Yearly. | $34.99 | one-time |


## Frequently asked questions

### Is Sentential free?

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

### Is Vocabulary builder Stellar free?

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

### Do Sentential or Vocabulary builder Stellar have ads?

Vocabulary builder Stellar shows ads; Sentential does not.

### Which is updated more often, Sentential or Vocabulary builder Stellar?

Sentential ships an update every 5 months, and Vocabulary builder Stellar weekly. Most recently, Sentential was updated on October 8, 2026 and Vocabulary builder Stellar on October 17, 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.*