# Sentence Corrector vs JMDi ACADEMY

The clearest difference is in-app purchases: JMDi ACADEMY at none against Sentence Corrector's 3. Sentence Corrector's advantage is update cadence (every 2 months vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sentence Corrector sells 3 in-app purchases, starting at $5.99 per 7 days. JMDi ACADEMY asks for nothing beyond the download.

Sentence Corrector ships an update every 2 months, JMDi ACADEMY every 4 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Sentence Corrector | JMDi ACADEMY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (43 ratings)](https://appshunter.io/ios/app/sentence-corrector/id6470018102/reviews)** | — |
| Number of ratings | **43** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Freemium | — |
| Size | 7 MB | 48 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ruslan Sayfutdinov](https://appshunter.io/developer/1195076753) | [DEXPERT SYSTEMS PRIVATE LIMITED](https://appshunter.io/developer/1479816527) |

## What reviewers say

### Sentence Corrector

[App page](https://appshunter.io/ios/app/sentence-corrector/id6470018102)

Enhance your writing with advanced grammar checking and sentence restructuring. This tool helps fix errors, improve clarity, and rewrite text for professional-quality content. Ideal for anyone looking to polish their written communication.

**Highlights:** Grammar Check, Sentence Corrector, Rewrite Assistant, Fix Mistakes, Time-Saving Editing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grammar Check PRO Weekly | $5.99 | per 7 days |
| Grammar Check PRO Monthly | $9.99 | per month |
| Grammar Check PRO Annual | $49.99 | per year |


### JMDi ACADEMY

[App page](https://appshunter.io/ios/app/jmdi-academy/id6639616188)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sentence Corrector free?

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

### Is JMDi ACADEMY free?

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

### Do Sentence Corrector or JMDi ACADEMY have ads?

Neither Sentence Corrector nor JMDi ACADEMY shows ads.

### Which is updated more often, Sentence Corrector or JMDi ACADEMY?

Sentence Corrector ships an update every 2 months, and JMDi ACADEMY every 4 months. Most recently, Sentence Corrector was updated on November 3, 2026 and JMDi ACADEMY on November 4, 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.*