# Blaze vs UnderText

The clearest difference is ads: UnderText at none against Blaze's shown. UnderText also leads on update cadence (weekly vs fortnightly). Blaze's advantage is iOS requirement (15.1 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Blaze sells 6 in-app purchases, starting at $6.99 per 7 days and UnderText sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Blaze ships an update fortnightly, UnderText weekly. The most recent releases landed on October 5, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Blaze | UnderText |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (53 ratings)](https://appshunter.io/ios/app/blaze-ai-chatbot-copilot/id6446816021/reviews)** | — |
| Number of ratings | **53** | — |
| Positive reviews | 41.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 34 MB | 5 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Stay Fit Apps LLC](https://appshunter.io/developer/1643177058) | [Xuan Tuan Nguyen](https://appshunter.io/developer/1851803746) |

## What reviewers say

### Blaze

[App page](https://appshunter.io/ios/app/blaze-ai-chatbot-copilot/id6446816021)

Access and compare responses from six leading AI models, including ChatGPT, Gemini, and Grok, all within one app. Get intelligent conversations, creative writing, research assistance, and coding help tailored to your needs. Easily share AI-generated content and discover the best AI for any task.

**Highlights:** Access to six advanced AI models, Real-time AI comparison tool, Versatile AI assistance for various tasks, Effortless sharing of AI responses, Intuitive and user-friendly interface

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chat AI Premium | $6.99 | per 7 days |
| Chat AI Premium | $7.99 | per month |
| Chat AI Premium | $14.99 | per month |
| Chat AI Premium | $14.99 | per month |
| Chat AI Premium | $39.99 | per year |
| Chat AI Premium | $79.99 | per year |


### UnderText

[App page](https://appshunter.io/ios/app/undertext/id6755081094)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UnderText Premium (monthly) | $2.99 | per month |
| UnderText Premium (Yearly) | $23.99 | per year |


## Frequently asked questions

### Is Blaze free?

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

### Is UnderText free?

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

### Do Blaze or UnderText have ads?

Blaze shows ads; UnderText does not.

### Which is updated more often, Blaze or UnderText?

Blaze ships an update fortnightly, and UnderText weekly. Most recently, Blaze was updated on October 5, 2026 and UnderText on September 25, 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.*