# English Grammar Checker vs Singularity Learn

The clearest difference is in-app purchases: Singularity Learn at none against English Grammar Checker's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. English Grammar Checker sells 4 in-app purchases, starting at $3.99 per month. Singularity Learn asks for nothing beyond the download.

English Grammar Checker ships an update every 2 months, Singularity Learn monthly. The most recent releases landed on June 2, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | English Grammar Checker | Singularity Learn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 42 MB | 34 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [志桂 李](https://appshunter.io/developer/1686507153) | [Reasonify](https://appshunter.io/developer/1867414043) |

## What reviewers say

### English Grammar Checker

[App page](https://appshunter.io/ios/app/english-grammar-checker/id6752532017)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-month membership | $3.99 | per month |
| 6-month membership | $29.99 | per 6 months |
| 12-month membership | $39.99 | per year |
| Lifetime membership | $99.99 | one-time |


### Singularity Learn

[App page](https://appshunter.io/ios/app/singularity-learn/id6757517793)

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

**In-app purchases:** none


## Frequently asked questions

### Is English Grammar Checker free?

English Grammar Checker is free to download, with in-app purchases available.

### Is Singularity Learn free?

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

### Do English Grammar Checker or Singularity Learn have ads?

Neither English Grammar Checker nor Singularity Learn shows ads.

### Which is updated more often, English Grammar Checker or Singularity Learn?

English Grammar Checker ships an update every 2 months, and Singularity Learn monthly. Most recently, English Grammar Checker was updated on June 2, 2026 and Singularity Learn on September 11, 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.*