# Chat Smith vs Hour Stack

The clearest difference is ads: Hour Stack at none against Chat Smith's shown. Chat Smith's advantage is update cadence (weekly vs every 3 weeks) and chart position (#45 vs unranked). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Chat Smith sells 11 in-app purchases, starting at $4.99 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.

Chat Smith ships an update weekly, Hour Stack every 3 weeks. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Chat Smith | Hour Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (167K ratings)](https://appshunter.io/ios/app/chat-smith-ai-chatbot-and-agent/id1559479889/reviews)** | — |
| Number of ratings | **167K** | — |
| Positive reviews | 66.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#45** | — |
| Size | 771 MB | 8 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Chat Smith OpCo](https://appshunter.io/developer/6801399323) | [Andrew Williams](https://appshunter.io/developer/6775636242) |

## What reviewers say

### Chat Smith

[App page](https://appshunter.io/ios/app/chat-smith-ai-chatbot-and-agent/id1559479889)

**Currently charting:** #45 Top Grossing · Productivity, #94 Top Free · Productivity (US App Store)

This AI assistant offers advanced capabilities for writing, research, and image generation. It leverages multiple powerful AI models to provide deep insights, create content, and simplify tasks. Ideal for students, professionals, and creatives seeking enhanced productivity.

**Highlights:** AI Image Generator, AI Writing Assistant, Deep Research with Sources, Virtual Assistant for Task Management, Marketing Content Generation, Real-Time Online Search, AI Homework Helper & Math Solver

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chat Smith Weekly Pro | $4.99 | per 7 days |
| Chat Smith Weekly Pro | $6.99 | per 7 days |
| Chat Smith Pro | $6.99 | per 7 days |
| Chat Smith Weekly Pro | $6.99 | per 7 days |
| Chat Smith Monthly Pro | $6.99 | per month |
| Chat Smith Pro | $6.99 | per 7 days |
| Chat Smith Monthly Pro | $9.99 | per month |
| Chat Smith Pro | $9.99 | per month |
| Chat Smith Yearly Pro | $39.99 | per year |
| Chat Smith Yearly Pro | $69.99 | per year |
| Lifetime AI Chatbot | $99.99 | one-time |

**What reviewers like**

- 🚀 Efficient and fast
- 👍 User-friendly interface
- 💡 Helpful for writing and research
- 🤖 Impressive AI capabilities
- 🎨 Great for generating art and stories

**What reviewers complain about**

- 🔒 Limited free usage, requires subscription
- 🐛 Inconsistent performance, sometimes inaccurate
- 🤖 AI responses can be biased or lack context
- 💰 Expensive subscription model

**Reported bugs**

- Crashes or freezes during use
- Issues with login and account management
- Incorrect or outdated information provided

**Requested features**

- Increase free usage limit
- Improve AI accuracy and contextual understanding
- Add more customization options
- Integrate with other productivity tools


### 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 Chat Smith free?

Chat Smith 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 Chat Smith or Hour Stack have ads?

Chat Smith shows ads; Hour Stack does not.

### Which is updated more often, Chat Smith or Hour Stack?

Chat Smith ships an update weekly, and Hour Stack every 3 weeks. Most recently, Chat Smith was updated on October 17, 2026 and Hour Stack on October 14, 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.*