# Rival Edge vs Predicate Logic Foundations

The clearest difference is price: Predicate Logic Foundations at Free against Rival Edge's $3.99. Predicate Logic Foundations also leads on iOS requirement (15.1 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

Predicate Logic Foundations is free to download; Rival Edge costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Rival Edge | Predicate Logic Foundations |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rival-edge/id6759164956/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Monetization | Paid | — |
| Size | 7 MB | 38 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Rodzaevskiy](https://appshunter.io/developer/1838906311) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### Rival Edge

[App page](https://appshunter.io/ios/app/rival-edge/id6759164956)

Master strategic decision-making with real-life scenarios and Nobel Prize-winning game theory concepts. Learn practical rules for everyday dilemmas, track your progress, and gain an edge in negotiations and relationships.

**Highlights:** Interactive real-life scenarios, 12 essential game theory concepts, 20 practical daily rules, Progress tracking with XP and ranks, Payoff matrices for decision math, Offline functionality, Supports 6 languages

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

**In-app purchases:** none


### Predicate Logic Foundations

[App page](https://appshunter.io/ios/app/predicate-logic-foundations/id6773451459)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rival Edge free?

Rival Edge costs $3.99, with no in-app purchases.

### Is Predicate Logic Foundations free?

Predicate Logic Foundations is free to download, with no in-app purchases.

### Do Rival Edge or Predicate Logic Foundations have ads?

Neither Rival Edge nor Predicate Logic Foundations shows ads.

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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.*