# SplitFlap Display vs Plumbline Studio

The clearest difference is price: SplitFlap Display at Free against Plumbline Studio's $2.99. SplitFlap Display also leads on device support (4 vs 2). Plumbline Studio's advantage is in-app purchases (none vs 4). On update cadence, ads and iOS requirement there is nothing between them.

SplitFlap Display is free to download; Plumbline Studio costs $2.99 up front. SplitFlap Display sells 4 in-app purchases, starting at $0.99 per 7 days. Plumbline Studio asks for nothing beyond the download.

SplitFlap Display ships an update every 3 weeks, Plumbline Studio every 10 days. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SplitFlap Display | Plumbline Studio |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Size | 50 MB | 3 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | **iPhone, iPad, Mac, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Richardson](https://appshunter.io/developer/1887851473) | [Robert Corbin](https://appshunter.io/developer/1890247992) |

## 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 |


### Plumbline Studio

[App page](https://appshunter.io/ios/app/plumbline-studio/id6771016320)

**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 Plumbline Studio free?

Plumbline Studio costs $2.99, with no in-app purchases.

### Do SplitFlap Display or Plumbline Studio have ads?

Neither SplitFlap Display nor Plumbline Studio shows ads.

### Which is updated more often, SplitFlap Display or Plumbline Studio?

SplitFlap Display ships an update every 3 weeks, and Plumbline Studio every 10 days. Most recently, SplitFlap Display was updated on October 12, 2026 and Plumbline Studio on October 8, 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.*