# Sentential vs Nabla

The clearest difference is in-app purchases: Sentential at none against Nabla's 2. Sentential also leads on device support (4 vs 1) and iOS requirement (13.0 vs 16.4). Nabla's advantage is update cadence (every 6 days vs every 5 months). On price and ads there is nothing between them.

Both are free to download. Nabla sells 2 in-app purchases, starting at $12.99 per month. Sentential asks for nothing beyond the download.

Sentential ships an update every 5 months, Nabla every 6 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sentential | Nabla |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 days** |
| Size | 19 MB | 96 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Afzaal Ahmad Zeeshan](https://appshunter.io/developer/1712161581) | [Muhammed Hamza Cakmak](https://appshunter.io/developer/1884048817) |

## What reviewers say

### Sentential

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

**Features:** Vision Pro support

**In-app purchases:** none


### Nabla

[App page](https://appshunter.io/ios/app/nabla-college-math-practice/id6796978565)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nabla Pro Monthly | $12.99 | per month |
| Nabla Pro Annual | $69.99 | per year |


## Frequently asked questions

### Is Sentential free?

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

### Is Nabla free?

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

### Do Sentential or Nabla have ads?

Neither Sentential nor Nabla shows ads.

### Which is updated more often, Sentential or Nabla?

Sentential ships an update every 5 months, and Nabla every 6 days. Most recently, Sentential was updated on October 27, 2026 and Nabla on October 24, 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.*