# Plumbline Studio vs Membership Navi

The clearest difference is update cadence: Plumbline Studio at every 10 days against Membership Navi's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Plumbline Studio costs $0.99 and Membership Navi $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Plumbline Studio ships an update every 10 days, Membership Navi monthly. Both last shipped on October 31, 2026.

## The numbers

| Metric | Plumbline Studio | Membership Navi |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Size | 3 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Robert Corbin](https://appshunter.io/developer/1890247992) | [KIVANC YAZAN](https://appshunter.io/developer/1688685137) |

## What reviewers say

### Plumbline Studio

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

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

**In-app purchases:** none


### Membership Navi

[App page](https://appshunter.io/ios/app/membership-navi/id6794593891)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Plumbline Studio free?

Plumbline Studio costs $0.99, with no in-app purchases.

### Is Membership Navi free?

Membership Navi costs $0.99, with no in-app purchases.

### Do Plumbline Studio or Membership Navi have ads?

Neither Plumbline Studio nor Membership Navi shows ads.

### Which is updated more often, Plumbline Studio or Membership Navi?

Plumbline Studio ships an update every 10 days, and Membership Navi monthly. Most recently, Plumbline Studio was updated on October 31, 2026 and Membership Navi on October 31, 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.*