# Preflop Odds 2 vs Corner Calculus

The clearest difference is price: Preflop Odds 2 at Free against Corner Calculus's $1.99. Corner Calculus's advantage is update cadence (weekly vs every 5 months) and iOS requirement (12.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Preflop Odds 2 is free to download; Corner Calculus costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Preflop Odds 2 ships an update every 5 months, Corner Calculus weekly. The most recent releases landed on September 28, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Preflop Odds 2 | Corner Calculus |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/corner-calculus/id1532990651/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | — | Paid |
| Size | 6 MB | 12 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [onegenius.com](https://appshunter.io/developer/288743047) | [Sergey Kirichenko](https://appshunter.io/developer/1532990653) |

## What reviewers say

### Preflop Odds 2

[App page](https://appshunter.io/ios/app/preflop-odds-2/id1364668240)

**Features:** macOS Compatibility

**In-app purchases:** none


### Corner Calculus

[App page](https://appshunter.io/ios/app/corner-calculus/id1532990651)

This professional tool simplifies the calculation of corner miter joints for woodworking projects. It accurately determines edge angles and dimensions for various joint configurations, including corner rounding with a specified radius.

**Highlights:** Miter joint calculation, Edge angle and dimension calculation, Corner rounding with radius, Supports various joint configurations, Professional woodworking tool

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Preflop Odds 2 free?

Preflop Odds 2 is free to download, with no in-app purchases.

### Is Corner Calculus free?

Corner Calculus costs $1.99, with no in-app purchases.

### Do Preflop Odds 2 or Corner Calculus have ads?

Neither Preflop Odds 2 nor Corner Calculus shows ads.

### Which is updated more often, Preflop Odds 2 or Corner Calculus?

Preflop Odds 2 ships an update every 5 months, and Corner Calculus weekly. Most recently, Preflop Odds 2 was updated on September 28, 2026 and Corner Calculus on October 10, 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.*