# Claude by Anthropic vs CTA Study Buddy

The clearest difference is in-app purchases: CTA Study Buddy at none against Claude by Anthropic's 10. Claude by Anthropic's advantage is update cadence (every 2 days vs every 4 months) and chart position (#2 vs unranked). On price, ads and device support there is nothing between them.

Both are free to download. Claude by Anthropic sells 10 in-app purchases, starting at $20.00 per month. CTA Study Buddy asks for nothing beyond the download.

Claude by Anthropic ships an update every 2 days, CTA Study Buddy every 4 months. The most recent releases landed on November 13, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Claude by Anthropic | CTA Study Buddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (303K ratings)](https://appshunter.io/ios/app/claude-by-anthropic/id6473753684/reviews)** | — |
| Number of ratings | **303K** | — |
| Positive reviews | 51.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 months |
| Monetization | Freemium | — |
| Best chart rank | **#2** | — |
| Size | 187 MB | 7 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Vision Pro** |
| Age rating | 17+ | 4+ |
| Developer | [Anthropic PBC](https://appshunter.io/developer/1719695350) | [Chris Emmett](https://appshunter.io/developer/1751233699) |

## What reviewers say

### Claude by Anthropic

[App page](https://appshunter.io/ios/app/claude-by-anthropic/id6473753684)

**Currently charting:** #2 Top Grossing · Productivity, #3 Top Free · Productivity, #5 Top Free, #9 Top Grossing (US App Store)

This AI assistant helps you write, research, code, and solve complex problems. It refines your writing, debugs code, analyzes data and visuals, and can even be used hands-free with voice commands. Expand your capabilities and tackle challenging tasks with depth and precision.

**Highlights:** AI writing and content refinement, Coding assistance and debugging, Web research with citations, Visual analysis of images and PDFs, Voice dictation for hands-free use, Integration with Google Drive, Gmail, Calendar

**Features:** iPhone Duo support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Claude Pro - Monthly | $20.00 | per month |
| Claude Max - Monthly | $124.99 | per month |
| Claude Pro - Annual | $214.99 | per year |
| Claude Ultra - Monthly | $249.99 | per month |
| Usage Credits (20) | $20.00 | one-time |
| Usage Credits (50) | $45.00 | one-time |
| Usage Credits (100) | $90.00 | one-time |
| Usage Credits (250) | $200.00 | one-time |
| Usage Credits (500) | $350.00 | one-time |
| Usage Credits (1000) | $700.00 | one-time |

**What reviewers like**

- 🚀 Powerful and versatile AI assistant
- 👍 Intuitive and easy to use interface
- 💡 Innovative features like 'Projects'
- 🤖 Intelligent and thoughtful responses
- 📚 Comprehensive knowledge base

**What reviewers complain about**

- 🔒 Concerns about privacy and data usage
- 🚫 Limitations on free usage and throttling
- 🐛 Occasional bugs and crashes
- 🙅‍♀️ Overly restrictive content policies
- 🤖 Lack of true conversational abilities

**Reported bugs**

- Login and account issues
- Inconsistent performance on mobile devices
- Formatting and display problems

**Requested features**

- Voice input and output capabilities
- Improved integration with other platforms
- Expanded knowledge base and faster updates
- More customization and personalization options
- Enhanced memory and context retention


### CTA Study Buddy

[App page](https://appshunter.io/ios/app/cta-study-buddy/id6738325138)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Claude by Anthropic free?

Claude by Anthropic is free to download, with in-app purchases available.

### Is CTA Study Buddy free?

CTA Study Buddy is free to download, with no in-app purchases.

### Do Claude by Anthropic or CTA Study Buddy have ads?

Neither Claude by Anthropic nor CTA Study Buddy shows ads.

### Which is updated more often, Claude by Anthropic or CTA Study Buddy?

Claude by Anthropic ships an update every 2 days, and CTA Study Buddy every 4 months. Most recently, Claude by Anthropic was updated on November 13, 2026 and CTA Study Buddy on November 8, 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.*