# PredictAlpha vs Predictions.io

The clearest difference is update cadence: Predictions.io at every 9 days against PredictAlpha's every 2 months. Predictions.io also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PredictAlpha ships an update every 2 months, Predictions.io every 9 days. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PredictAlpha | Predictions.io |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/predictalpha/id6758376671/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 15 MB | 48 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Via Labs](https://appshunter.io/developer/1871743977) | [questimations.com](https://appshunter.io/developer/1895354525) |

## What reviewers say

### PredictAlpha

[App page](https://appshunter.io/ios/app/predictalpha/id6758376671)

Gain an edge in prediction markets with this app. Analyze market data, track top traders, and receive smart alerts for trading opportunities. Visualize market relationships and manage your portfolio.

**Highlights:** Market discovery with Alpha Score, Signal digest for trending markets, Top trader leaderboard and profiles, Smart alerts for trading opportunities, Market constellation visualization, Portfolio tracking and PnL analysis

**Features:** macOS Compatibility

**In-app purchases:** none


### Predictions.io

[App page](https://appshunter.io/ios/app/predictionsio/id6763520046)

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

**In-app purchases:** none


## Frequently asked questions

### Is PredictAlpha free?

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

### Is Predictions.io free?

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

### Do PredictAlpha or Predictions.io have ads?

Neither PredictAlpha nor Predictions.io shows ads.

### Which is updated more often, PredictAlpha or Predictions.io?

PredictAlpha ships an update every 2 months, and Predictions.io every 9 days. Most recently, PredictAlpha was updated on October 7, 2026 and Predictions.io on October 24, 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.*