# SplitFlap Display vs Drilling Calculator for Rigs

The clearest difference is price: SplitFlap Display at Free against Drilling Calculator for Rigs's $1.99. SplitFlap Display also leads on update cadence (every 3 weeks vs every 6 weeks) and device support (4 vs 2). Drilling Calculator for Rigs's advantage is in-app purchases (none vs 4). On ads and iOS requirement there is nothing between them.

SplitFlap Display is free to download; Drilling Calculator for Rigs costs $1.99 up front. SplitFlap Display sells 4 in-app purchases, starting at $0.99 per 7 days. Drilling Calculator for Rigs asks for nothing beyond the download.

SplitFlap Display ships an update every 3 weeks, Drilling Calculator for Rigs every 6 weeks. The most recent releases landed on October 22, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SplitFlap Display | Drilling Calculator for Rigs |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 50 MB | 7 MB |
| Requires iOS | 18.6 | 18.6 |
| Devices | **iPhone, iPad, Mac, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Richardson](https://appshunter.io/developer/1887851473) | [Aneesh Pradeep](https://appshunter.io/developer/1836157821) |

## What reviewers say

### SplitFlap Display

[App page](https://appshunter.io/ios/app/splitflap-display/id6761390167)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SplitFlap Weekly | $0.99 | per 7 days |
| SplitFlap Monthly | $2.49 | per month |
| SplitFlap Yearly | $24.99 | per year |
| SplitFlap Lifetime | $49.99 | one-time |


### Drilling Calculator for Rigs

[App page](https://appshunter.io/ios/app/drilling-calculator-for-rigs/id6785307917)

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

**In-app purchases:** none


## Frequently asked questions

### Is SplitFlap Display free?

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

### Is Drilling Calculator for Rigs free?

Drilling Calculator for Rigs costs $1.99, with no in-app purchases.

### Do SplitFlap Display or Drilling Calculator for Rigs have ads?

Neither SplitFlap Display nor Drilling Calculator for Rigs shows ads.

### Which is updated more often, SplitFlap Display or Drilling Calculator for Rigs?

SplitFlap Display ships an update every 3 weeks, and Drilling Calculator for Rigs every 6 weeks. Most recently, SplitFlap Display was updated on October 22, 2026 and Drilling Calculator for Rigs on October 6, 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.*