# SiPotresi vs Comma

The clearest difference is in-app purchases: SiPotresi at none against Comma's 3. SiPotresi also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Comma sells 3 in-app purchases, starting at $4.99 per 7 days. SiPotresi asks for nothing beyond the download.

SiPotresi ships an update every 6 months, Comma every 4 months. The most recent releases landed on October 27, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | SiPotresi | Comma |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/comma-grammar-check-corrector/id6743360918/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 61 MB |
| Requires iOS | 16.6 | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Miha S](https://appshunter.io/developer/1307110589) | [MATEUSZ JAROSŁAW WRZESZCZ](https://appshunter.io/developer/1857207465) |

## What reviewers say

### SiPotresi

[App page](https://appshunter.io/ios/app/sipotresi/id1544817575)

**Features:** macOS Compatibility

**In-app purchases:** none


### Comma

[App page](https://appshunter.io/ios/app/comma-grammar-check-corrector/id6743360918)

Enhance your writing with AI-powered grammar, spelling, and punctuation correction. Improve sentence clarity, tone, and flow with smart paraphrasing and rewriting tools. Perfect for students, professionals, and content creators seeking to write with confidence and accuracy.

**Highlights:** Instant grammar and spell check, Smart paraphrasing and sentence rewriting, AI-powered proofreading, Essay and content improvement, Real-time AI corrections, Works across multiple apps

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Monthly Subscription | $9.99 | per month |
| Annual Subscription | $29.99 | per year |


## Frequently asked questions

### Is SiPotresi free?

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

### Is Comma free?

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

### Do SiPotresi or Comma have ads?

Comma shows ads; SiPotresi does not.

### Which is updated more often, SiPotresi or Comma?

SiPotresi ships an update every 6 months, and Comma every 4 months. Most recently, SiPotresi was updated on October 27, 2026 and Comma 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.*