# Sentence vs Vaulta PDF & Study AI

The clearest difference is in-app purchases: Vaulta PDF & Study AI at none against Sentence's 5. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sentence sells 5 in-app purchases, starting at $1.99 per 7 days. Vaulta PDF & Study AI asks for nothing beyond the download.

## The numbers

| Metric | Sentence | Vaulta PDF & Study AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/sentence-screen-time-control/id6759405604/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Monetization | Subscription | — |
| Size | 19 MB | 10 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Daksh Kaushik](https://appshunter.io/developer/1868343853) | [THEODOR TIBERIUS STEFAN](https://appshunter.io/developer/1781964217) |

## What reviewers say

### Sentence

[App page](https://appshunter.io/ios/app/sentence-screen-time-control/id6759405604)

This app introduces a unique approach to screen time management by requiring users to handwrite and scan a sentence to unlock blocked applications. It aims to create a deliberate pause between impulse and action, offering a robust system for managing digital distractions.

**Highlights:** Handwritten sentence scanning for app unlock, Block specific apps or categories, Customizable time-based schedules, Multiple block group configurations, Zen Mode to prevent app deletion, Choice of sentence prompts (enquiry, affirmation, literature, roasting, custom)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Monthly Premium | $4.99 | per month |
| Annual Premum | $9.99 | per year |
| Annual Premium | $19.99 | per year |
| Lifetime Premium | $34.99 | one-time |


### Vaulta PDF & Study AI

[App page](https://appshunter.io/ios/app/vaulta-pdf-and-study-ai/id6795444240)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sentence free?

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

### Is Vaulta PDF & Study AI free?

Vaulta PDF & Study AI is free to download, with no in-app purchases.

### Do Sentence or Vaulta PDF & Study AI have ads?

Neither Sentence nor Vaulta PDF & Study AI shows ads.

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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.*