# Summafy AI vs Comma

The clearest difference is in-app purchases: Summafy AI at none against Comma's 3. Summafy AI also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 4 months). On price and device support there is nothing between them.

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

Summafy AI ships an update every 2 weeks, Comma every 4 months. The most recent releases landed on November 8, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Summafy AI | 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 2 weeks** | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 35 MB | 61 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Reno Softwares](https://appshunter.io/developer/1778003915) | [MATEUSZ JAROSŁAW WRZESZCZ](https://appshunter.io/developer/1857207465) |

## What reviewers say

### Summafy AI

[App page](https://appshunter.io/ios/app/summafy-ai/id6741574785)

**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 Summafy AI free?

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

### Is Comma free?

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

### Do Summafy AI or Comma have ads?

Comma shows ads; Summafy AI does not.

### Which is updated more often, Summafy AI or Comma?

Summafy AI ships an update every 2 weeks, and Comma every 4 months. Most recently, Summafy AI was updated on November 8, 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.*