# Chat PRO AI Chatbot vs Lokk.

The clearest difference is in-app purchases: Lokk. at none against Chat PRO AI Chatbot's 2. Lokk. also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Chat PRO AI Chatbot sells 2 in-app purchases, starting at $6.99 per 7 days. Lokk. asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 23, 2026 and May 19, 2026 respectively.

## The numbers

| Metric | Chat PRO AI Chatbot | Lokk. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (145 ratings)](https://appshunter.io/ios/app/chat-pro-ai-chatbot/id1659720931/reviews)** | — |
| Number of ratings | **145** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 34 MB |
| Requires iOS | 16.1 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Aliaksei Kuptsou](https://appshunter.io/developer/1562810290) | [LUIS VALENTIN WARNECKER](https://appshunter.io/developer/1827529790) |

## What reviewers say

### Chat PRO AI Chatbot

[App page](https://appshunter.io/ios/app/chat-pro-ai-chatbot/id1659720931)

Leverage advanced AI to generate unique and creative content, from essays and emails to social media posts and code. This tool provides personalized content creation in seconds, offering insights beyond simple search results.

**Highlights:** AI-powered content creation, Essay and text writing, Social media caption generation, Email drafting, Code correction, Personalized content generation

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChatGPT AI Unlimited Questions | $6.99 | per 7 days |
| GPT Unlimited Chat Questions | $6.99 | per 7 days |

**What reviewers like**

- 💡 Innovative AI tool for creative writing and content generation
- ✍️ Helpful for course descriptions and title generation
- 🎯 Useful for essay outlining and student assistance
- 💬 Ability to ask follow-up questions for clarification
- 🧠 Impressive AI capabilities for various topics

**What reviewers complain about**

- 💰 Extremely expensive pricing ($7.99-$10 per week / ~$32-$40 per month)
- 🐛 Frequent server overload errors and 'Too many requests' messages
- ❌ Poor quality responses and inaccurate information
- 📅 Outdated knowledge base (information from 2019-2021)
- 🚫 Aggressive upselling to PRO version immediately

**Reported bugs**

- Server overload errors preventing responses
- App crashes after 30 minutes to 1 hour of use
- Inconsistent language responses despite language settings
- Blocks users after 5-10 messages despite premium subscription
- Generates false information (deceased people listed as alive, wrong Oscar nominations)

**Requested features**

- One-time purchase option instead of subscription
- Monthly pricing instead of weekly billing
- Free trial without requiring credit card
- More detailed and comprehensive responses
- Better language consistency (English/Spanish/French)


### Lokk.

[App page](https://appshunter.io/ios/app/lokk/id6748835451)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chat PRO AI Chatbot free?

Chat PRO AI Chatbot is free to download, with in-app purchases available.

### Is Lokk. free?

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

### Do Chat PRO AI Chatbot or Lokk. have ads?

Chat PRO AI Chatbot shows ads; Lokk. does not.

### Which is updated more often, Chat PRO AI Chatbot or Lokk.?

Chat PRO AI Chatbot ships an update every 2 weeks, and Lokk. every 2 weeks. Most recently, Chat PRO AI Chatbot was updated on September 23, 2026 and Lokk. on May 19, 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.*