# TCC Projects vs Dou AI

The clearest difference is in-app purchases: TCC Projects at none against Dou AI's 4. TCC Projects also leads on update cadence (fortnightly vs monthly) and iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Dou AI sells 4 in-app purchases, starting at $4.99 per 7 days. TCC Projects asks for nothing beyond the download.

TCC Projects ships an update fortnightly, Dou AI monthly. The most recent releases landed on September 30, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | TCC Projects | Dou AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/dou-ai-chatbot/id6749772166/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | — | Subscription |
| Size | 87 MB | 63 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Salt Pixels Private Limited](https://appshunter.io/developer/1775648651) | [Eliberty Dev LLC](https://appshunter.io/developer/1832010002) |

## What reviewers say

### TCC Projects

[App page](https://appshunter.io/ios/app/tcc-projects/id6748314210)

**Features:** macOS Compatibility

**In-app purchases:** none


### Dou AI

[App page](https://appshunter.io/ios/app/dou-ai-chatbot/id6749772166)

This AI-powered assistant helps users communicate, explore ideas, and complete daily tasks efficiently. It offers natural conversations for writing, summarizing, idea generation, and learning, making advanced AI accessible through an intuitive interface.

**Highlights:** Intelligent AI-powered communication, Idea exploration and brainstorming, Content generation and text improvement, Information retrieval and learning, Natural and context-aware conversations, Intuitive and easy-to-use interface

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is TCC Projects free?

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

### Is Dou AI free?

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

### Do TCC Projects or Dou AI have ads?

Neither TCC Projects nor Dou AI shows ads.

### Which is updated more often, TCC Projects or Dou AI?

TCC Projects ships an update fortnightly, and Dou AI monthly. Most recently, TCC Projects was updated on September 30, 2026 and Dou AI on October 9, 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.*