# ChatOn AI vs Hour Stack

The clearest difference is ads: Hour Stack at none against ChatOn AI's shown. Hour Stack also leads on device support (3 vs 1). ChatOn AI's advantage is chart position (#19 vs unranked) and update cadence (every 2 weeks vs every 4 weeks). On price and in-app purchases there is nothing between them.

Both are free to download. ChatOn AI sells 10 in-app purchases, starting at $6.99 per 7 days and Hour Stack sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ChatOn AI ships an update every 2 weeks, Hour Stack every 4 weeks. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ChatOn AI | Hour Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (288K ratings)](https://appshunter.io/ios/app/chaton-ai-chat-bot-assistant/id1661308505/reviews)** | — |
| Number of ratings | **288K** | — |
| Positive reviews | 79.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#19** | — |
| Size | 179 MB | 8 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | +12 | 4+ |
| Developer | [AIBY](https://appshunter.io/developer/1458102137) | [Andrew Williams](https://appshunter.io/developer/6775636242) |

## What reviewers say

### ChatOn AI

[App page](https://appshunter.io/ios/app/chaton-ai-chat-bot-assistant/id1661308505)

**Currently charting:** #19 Top Grossing · Productivity, #147 Top Free · Productivity (US App Store)

This AI assistant streamlines tasks with advanced chatbot technology. It helps draft content, generate images, analyze documents, and summarize web content. With over 100 million users, it accelerates creation and provides quick answers.

**Highlights:** AI writing assistant, Image and video generator, Image-to-text converter, Web analyzer, Document summarization, YouTube content analysis, Social media post creator

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $6.99 | per 7 days |
| Premium | $6.99 | per 7 days |
| Premium access (1 week) | $6.99 | per 7 days |
| Premium access (1 week) | $7.99 | per 7 days |
| Premium | $7.99 | per 7 days |
| Weekly PRO access (free trial) | $7.99 | per 7 days |
| Premium | $29.99 | per year |
| Premium | $39.99 | per year |
| Premium annually access | $49.99 | per year |
| Premium access PRO+ (1 year) | $59.99 | per year |

**What reviewers like**

- 🚀 Excellent AI assistant
- 👍 User-friendly interface
- 💡 Versatile features
- 🚀 Fast and efficient
- 🔒 Secure and reliable

**What reviewers complain about**

- 🐛 Occasional errors and timeouts
- 💰 Expensive subscription
- 🔒 Limited free usage
- 🔒 Difficult to cancel subscription
- 🐛 Outdated information

**Reported bugs**

- Frequent error messages
- Inability to generate images as promised
- Inconsistent performance across devices
- Lack of language support beyond English

**Requested features**

- Expand free usage limits
- Improve subscription management
- Provide more up-to-date information
- Enhance impartiality and objectivity
- Integrate with more platforms and services


### Hour Stack

[App page](https://appshunter.io/ios/app/hour-stack/id6790966131)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip Jar - $1.99 | $1.99 | one-time |
| Tip Jar - $3.99 | $3.99 | one-time |
| Tip Jar - $5.99 | $5.99 | one-time |


## Frequently asked questions

### Is ChatOn AI free?

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

### Is Hour Stack free?

Hour Stack is free to download, with in-app purchases available.

### Do ChatOn AI or Hour Stack have ads?

ChatOn AI shows ads; Hour Stack does not.

### Which is updated more often, ChatOn AI or Hour Stack?

ChatOn AI ships an update every 2 weeks, and Hour Stack every 4 weeks. Most recently, ChatOn AI was updated on November 3, 2026 and Hour Stack on October 24, 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.*