# Harpoon: Polymarket Signals — Track insider moves

> Track insider moves (iPhone/iPad app by Illia Streltsov.)

- Source: https://appshunter.io/ios/app/harpoon-polymarket-signals/id6762007823 (this page in markdown: same URL + `.md`)
- Developer: [Illia Streltsov](https://appshunter.io/developer/1892425457)
- Category: Finance, Business
- Price: Free with in-app purchases
- Age rating: 17+
- Requires: iOS 15.1 · 35 MB
- Languages: English
- Released: 2026-04-25
- Data updated: 2026-08-20

## What is Harpoon?

Harpoon reveals insider activity on Polymarket in real time.

Track smart money, detect unusual bets, and get signals before the market reacts. Stay ahead by following informed traders and uncovering hidden patterns across prediction markets.

Find the edge others miss.

KEY FEATURES

• Real-time insider activity tracking  
• Smart money movement detection  
• Identify unusual and high-impact bets  
• Monitor prediction market trends  
• Save and track your favorite signals  

BUILT FOR

• Prediction market users  
• Data-driven analysts 
• Crypto traders   
• Alpha seekers  

WHY HARPOON

Markets move on information asymmetry.  
Harpoon helps you surface signals hidden in market activity — so you can act before everyone else.

LEGAL

Terms of Use: https://api.harpoon-insides.com/terms  
Privacy Policy: https://api.harpoon-insides.com/privacy  

DISCLAIMER

Harpoon is an analytics tool and does not provide financial advice.

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Harpoon Pro | $24.99 | per month |
| Harpoon Promo | $24.99 | per month |


## Is Harpoon safe?

Not enough ratings yet to assess Harpoon.

## Is Harpoon legit?

Harpoon: Polymarket Signals is no longer available in the App Store. The AppsHunter Legitimacy Score for Harpoon is 23 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 1.1 — 2026-05-04

small UI/UX changes

### 1.0 — 2026-04-25

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-20.*