# Sentence vs PicZip

The clearest difference is in-app purchases: PicZip at none against Sentence's 5. PicZip also leads on device support (4 vs 1) and iOS requirement (15.6 vs 18.0). Sentence's advantage is update cadence (every 8 days vs monthly). On price and ads there is nothing between them.

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

Sentence ships an update every 8 days, PicZip monthly. The most recent releases landed on August 22, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Sentence | PicZip |
| --- | --- | --- |
| 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** | Monthly |
| Monetization | Subscription | — |
| Size | 19 MB | 3 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | +4 |
| Developer | [Daksh Kaushik](https://appshunter.io/developer/1868343853) | [利龙 张](https://appshunter.io/developer/1649262253) |

## 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 |


### PicZip

[App page](https://appshunter.io/ios/app/piczip-image-compressor/id6768667875)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sentence free?

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

### Is PicZip free?

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

### Do Sentence or PicZip have ads?

Neither Sentence nor PicZip shows ads.

### Which is updated more often, Sentence or PicZip?

Sentence ships an update every 8 days, and PicZip monthly. Most recently, Sentence was updated on August 22, 2026 and PicZip on September 30, 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.*