# Sigma Office vs Copy AI

The clearest difference is in-app purchases: Sigma Office at none against Copy AI's 3. Sigma Office also leads on update cadence (every 3 weeks vs every 2 months). Copy AI's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Copy AI sells 3 in-app purchases, starting at $6.99 per 7 days. Sigma Office asks for nothing beyond the download.

Sigma Office ships an update every 3 weeks, Copy AI every 2 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Sigma Office | Copy AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (44 ratings)](https://appshunter.io/ios/app/copy-ai-content-script-writer/id6446693452/reviews)** |
| Number of ratings | — | **44** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | — | Freemium |
| Size | 81 MB | 60 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Joaquin Guevara](https://appshunter.io/developer/1443082715) | [Amarok Technologies Inc.](https://appshunter.io/developer/1420546248) |

## What reviewers say

### Sigma Office

[App page](https://appshunter.io/ios/app/sigma-office/id1533340093)

**In-app purchases:** none


### Copy AI

[App page](https://appshunter.io/ios/app/copy-ai-content-script-writer/id6446693452)

This AI-powered chatbot acts as a virtual assistant for various tasks, from generating images and art to planning schedules and solving problems. It offers diverse AI characters for assistance anytime and serves as a brainstorming partner to provide insights and guidance.

**Highlights:** AI-powered chatbot, Image and art generation, Schedule planning, Problem-solving, Virtual assistants & characters, Brainstorming partner

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Copy AI Pro - Weekly | $6.99 | per 7 days |
| Copy AI Pro - Annual | $29.99 | per year |
| Copy AI Pro - Annual | $49.99 | per year |


## Frequently asked questions

### Is Sigma Office free?

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

### Is Copy AI free?

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

### Do Sigma Office or Copy AI have ads?

Neither Sigma Office nor Copy AI shows ads.

### Which is updated more often, Sigma Office or Copy AI?

Sigma Office ships an update every 3 weeks, and Copy AI every 2 months. Most recently, Sigma Office was updated on November 7, 2026 and Copy AI 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.*