# Crypto heatmap and fear widget vs Bubble Index

The clearest difference is in-app purchases: Bubble Index at none against Crypto heatmap and fear widget's 2. Bubble Index also leads on update cadence (every 2 months vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Crypto heatmap and fear widget sells 2 in-app purchases, starting at $2.99 per month. Bubble Index asks for nothing beyond the download.

Crypto heatmap and fear widget ships an update every 8 months, Bubble Index every 2 months. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Crypto heatmap and fear widget | Bubble Index |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (5 ratings)](https://appshunter.io/ios/app/bubble-index/id6745993441/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 7 MB | 1 MB |
| Requires iOS | **17.5** | 18.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [萌 赵](https://appshunter.io/developer/1677463988) | [Hyunseok Jang](https://appshunter.io/developer/1814734839) |

## What reviewers say

### Crypto heatmap and fear widget

[App page](https://appshunter.io/ios/app/crypto-heatmap-and-fear-widget/id6738864962)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Show widget on homescreen | $2.99 | per month |
| Pro Widget Yearly | $19.99 | per year |


### Bubble Index

[App page](https://appshunter.io/ios/app/bubble-index/id6745993441)

This app provides a daily market sentiment index for stocks and cryptocurrencies. It uses visual bubble charts to display this data and offers a clean, lightweight interface with dark mode. No login or personal data is required to use its interactive features.

**Highlights:** Daily market sentiment index, Visual bubble charts for stocks and crypto, Clean, lightweight design, Dark mode support, No login or personal data collection, Interactive bubbles

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

**In-app purchases:** none


## Frequently asked questions

### Is Crypto heatmap and fear widget free?

Crypto heatmap and fear widget is free to download, with in-app purchases available.

### Is Bubble Index free?

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

### Do Crypto heatmap and fear widget or Bubble Index have ads?

Neither Crypto heatmap and fear widget nor Bubble Index shows ads.

### Which is updated more often, Crypto heatmap and fear widget or Bubble Index?

Crypto heatmap and fear widget ships an update every 8 months, and Bubble Index every 2 months. Most recently, Crypto heatmap and fear widget was updated on October 28, 2026 and Bubble Index on October 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.*