# DeTeXt vs Sentrio

The clearest difference is in-app purchases: DeTeXt at none against Sentrio's 3. DeTeXt also leads on device support (4 vs 1). Sentrio's advantage is update cadence (daily vs every 2 months) and iOS requirement (18.0 vs 26.0). On price and ads there is nothing between them.

Both are free to download. Sentrio sells 3 in-app purchases, starting at $2.99 per month. DeTeXt asks for nothing beyond the download.

DeTeXt ships an update every 2 months, Sentrio daily. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | DeTeXt | Sentrio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (43 ratings)](https://appshunter.io/ios/app/detext/id1531906207/reviews)** | — |
| Number of ratings | **43** | — |
| Positive reviews | 92.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Paid | — |
| Size | 22 MB | 82 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Venkata Subrahmanyan Govindarajan](https://appshunter.io/developer/1161430194) | [咏冬 王](https://appshunter.io/developer/1883570663) |

## What reviewers say

### DeTeXt

[App page](https://appshunter.io/ios/app/detext/id1531906207)

Easily find LaTeX commands for symbols by drawing them or searching a comprehensive database. Get the exact command you need for your documents without memorization.

**Highlights:** Draw symbols to find LaTeX commands, Neural image classification for symbol recognition, Searchable database of 1098 symbols, Supports Apple Pencil on iPad, Copy commands, symbols, or Unicode codepoints, Offline symbol database

**In-app purchases:** none


### Sentrio

[App page](https://appshunter.io/ios/app/sentrio-learn-english/id6818350723)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Everyday English Pro Monthly | $2.99 | per month |
| Everyday English Pro Annual | $29.99 | per year |
| Hi, Grammar Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is DeTeXt free?

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

### Is Sentrio free?

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

### Do DeTeXt or Sentrio have ads?

Neither DeTeXt nor Sentrio shows ads.

### Which is updated more often, DeTeXt or Sentrio?

DeTeXt ships an update every 2 months, and Sentrio daily. Most recently, DeTeXt was updated on October 24, 2026 and Sentrio on October 29, 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.*