# GCMS vs AI Writer

The clearest difference is in-app purchases: GCMS at none against AI Writer's 7. GCMS also leads on update cadence (every 2 days vs every 2 months) and iOS requirement (14.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. AI Writer sells 7 in-app purchases, starting at $9.99 per 7 days. GCMS asks for nothing beyond the download.

GCMS ships an update every 2 days, AI Writer every 2 months. The most recent releases landed on October 25, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | GCMS | AI Writer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (1.1K ratings)](https://appshunter.io/ios/app/ai-writer-writing-assistant/id1663626137/reviews)** |
| Number of ratings | — | **1.1K** |
| Positive reviews | — | 61.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 28 MB | 26 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hyeongwoo Choi](https://appshunter.io/developer/1614205706) | [MasterMind Software LLC](https://appshunter.io/developer/674597403) |

## What reviewers say

### GCMS

[App page](https://appshunter.io/ios/app/gcms/id1616315883)

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

**In-app purchases:** none


### AI Writer

[App page](https://appshunter.io/ios/app/ai-writer-writing-assistant/id1663626137)

This AI-powered writing assistant helps you generate various types of text, from essays and emails to creative content and code. It also offers web search, summarization, translation, and grammar correction to enhance your writing and research process.

**Highlights:** AI writing assistant for essays, emails, blogs, AI search mode for real-time web answers, Summarizer and rewriter for text, Translator for multiple languages, Creative writing and code generation, Grammar and editing tools, Idea generator and templates

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Writer Pro | $9.99 | per 7 days |
| AI Writer Pro | $19.99 | per month |
| Secret Discount | $39.99 | per year |
| AI Writer Pro | $69.99 | per year |
| 50 AI Credits | $4.99 | one-time |
| 300 AI Credits | $19.99 | one-time |
| 1000 AI Credits | $59.99 | one-time |

**What reviewers like**

- 🙏 Great writing app and easy to use
- 👍 Can write a lot
- 👍 Best app ever! Very good!
- 👍 Great app for hw
- 👍 Lifesaver for students with learning disabilities

**What reviewers complain about**

- 🐛 Hard to understand, not easy at all
- 🔒 Can't find a setting to cancel trial
- 🔒 Can't even buy anything with it
- 🔒 Too limited and restricted, can't answer questions properly
- 🐛 No instructions or tutorial, can't get it to proofread

**Reported bugs**

- Login screen freezes
- Incompatible with older devices

**Requested features**

- Dark mode option
- Advanced analytics dashboard


## Frequently asked questions

### Is GCMS free?

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

### Is AI Writer free?

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

### Do GCMS or AI Writer have ads?

Neither GCMS nor AI Writer shows ads.

### Which is updated more often, GCMS or AI Writer?

GCMS ships an update every 2 days, and AI Writer every 2 months. Most recently, GCMS was updated on October 25, 2026 and AI Writer on November 3, 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.*