# 美股智投 OPITIOS.AI vs Sentiscale

The clearest difference is in-app purchases: 美股智投 OPITIOS.AI at none against Sentiscale's 2. 美股智投 OPITIOS.AI also leads on update cadence (every 3 days vs every 2 weeks) and iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Sentiscale sells 2 in-app purchases, starting at $3.99 per month. 美股智投 OPITIOS.AI asks for nothing beyond the download.

美股智投 OPITIOS.AI ships an update every 3 days, Sentiscale every 2 weeks. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | 美股智投 OPITIOS.AI | Sentiscale |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/opitiosai/id6781969553/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 27 MB | 13 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Bowen Jia](https://appshunter.io/developer/1889386665) | [Bijan Vesper](https://appshunter.io/developer/6776199007) |

## What reviewers say

### 美股智投 OPITIOS.AI

[App page](https://appshunter.io/ios/app/opitiosai/id6781969553)

Access exclusive quantitative signals and institutional-grade market data, including options flow and sector performance. Learn trading strategies through hands-on lessons and real-world examples. This app provides market information and educational content, not investment advice.

**Highlights:** Exclusive quantitative signals, Institutional-grade market data, Options flow analysis, Sector performance tracking, Real-time quotes and options chains, Options trading education

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

**In-app purchases:** none


### Sentiscale

[App page](https://appshunter.io/ios/app/sentiscale-fear-and-greed-index/id6789323382)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is 美股智投 OPITIOS.AI free?

美股智投 OPITIOS.AI is free to download, with no in-app purchases.

### Is Sentiscale free?

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

### Do 美股智投 OPITIOS.AI or Sentiscale have ads?

Neither 美股智投 OPITIOS.AI nor Sentiscale shows ads.

### Which is updated more often, 美股智投 OPITIOS.AI or Sentiscale?

美股智投 OPITIOS.AI ships an update every 3 days, and Sentiscale every 2 weeks. Most recently, 美股智投 OPITIOS.AI was updated on October 31, 2026 and Sentiscale on November 1, 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.*