# Thunder Mine vs OPINDEX

The clearest difference is in-app purchases: OPINDEX at none against Thunder Mine's 1. Thunder Mine's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Thunder Mine sells 1 in-app purchase, starting at $7.99 per month. OPINDEX asks for nothing beyond the download.

Thunder Mine ships an update every 3 weeks, OPINDEX every 2 weeks. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Thunder Mine | OPINDEX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (12 ratings)](https://appshunter.io/ios/app/thunder-minecloud-mining/id6754065200/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 61 MB | 51 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nexora Innovations Tech Limited](https://appshunter.io/developer/1846522023) | [MONOLITH LABS LTD](https://appshunter.io/developer/1896337556) |

## What reviewers say

### Thunder Mine

[App page](https://appshunter.io/ios/app/thunder-minecloud-mining/id6754065200)

This application provides a user-friendly platform to learn about and manage Bitcoin cloud mining contracts. It offers transparent tracking of contract status, earnings, and a simple withdrawal process, all while prioritizing account security.

**Highlights:** Transparent cloud mining management, View earnings history, Track estimated mining earnings, Simple withdrawal process, Secure account protection, Multi-language support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thunder Mine Contract | $7.99 | per month |


### OPINDEX

[App page](https://appshunter.io/ios/app/opindex/id6755972222)

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

**In-app purchases:** none


## Frequently asked questions

### Is Thunder Mine free?

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

### Is OPINDEX free?

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

### Do Thunder Mine or OPINDEX have ads?

Neither Thunder Mine nor OPINDEX shows ads.

### Which is updated more often, Thunder Mine or OPINDEX?

Thunder Mine ships an update every 3 weeks, and OPINDEX every 2 weeks. Most recently, Thunder Mine was updated on September 18, 2026 and OPINDEX on September 9, 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.*