# Grammer Chat vs SumSlam

The clearest difference is in-app purchases: SumSlam at none against Grammer Chat's 3. SumSlam also leads on ads (none vs shown) and update cadence (every 5 days vs every 3 weeks). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Grammer Chat sells 3 in-app purchases, starting at $0.99 per 7 days. SumSlam asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Grammer Chat against 5.0 for SumSlam. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Grammer Chat ships an update every 3 weeks, SumSlam every 5 days. The most recent releases landed on September 30, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Grammer Chat | SumSlam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/grammer-chat/id6738950865/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/sumslam/id6742594902/reviews) |
| Number of ratings | 2 | 2 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 8 MB | 13 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gokmen Akar](https://appshunter.io/developer/1512809680) | [BLUEJAI LLC](https://appshunter.io/developer/1794845136) |

## What reviewers say

### Grammer Chat

[App page](https://appshunter.io/ios/app/grammer-chat/id6738950865)

This AI-powered tool helps improve English writing by detecting and correcting grammar errors. It offers detailed explanations for each correction, suggests alternative phrasing, and allows users to save their learning insights for future reference.

**Highlights:** Instant grammar error detection, Real-time correction explanations, AI-powered sentence suggestions, Save learning insights, Personalized progress tracking, Intuitive user interface

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Monthly | $1.99 | per month |
| Quarterly | $5.99 | per 3 months |


### SumSlam

[App page](https://appshunter.io/ios/app/sumslam/id6742594902)

Engage with a math-based puzzle game designed to be a productive alternative to endless scrolling. It challenges users to quickly solve equations, aiming to sharpen mathematical skills while providing a mildly frustrating yet engaging experience.

**Highlights:** Swipe-based equation solving, Productive doom-scrolling alternative, Math skill enhancement, Engaging puzzle gameplay, Designed for all ages

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Grammer Chat free?

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

### Is SumSlam free?

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

### Which has better reviews, Grammer Chat or SumSlam?

Grammer Chat and SumSlam are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do Grammer Chat or SumSlam have ads?

Grammer Chat shows ads; SumSlam does not.

### Which is updated more often, Grammer Chat or SumSlam?

Grammer Chat ships an update every 3 weeks, and SumSlam every 5 days. Most recently, Grammer Chat was updated on September 30, 2026 and SumSlam on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*