# ElectionDrop vs Plumb

The clearest difference is in-app purchases: ElectionDrop at none against Plumb's 1. Plumb's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Plumb sells 1 in-app purchase, starting at $9.99 per year. ElectionDrop asks for nothing beyond the download.

ElectionDrop ships an update every 2 months, Plumb every 3 weeks. The most recent releases landed on October 27, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ElectionDrop | Plumb |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (10 ratings)](https://appshunter.io/ios/app/plumb-bubble-spirit-level/id6760734372/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 1 MB | 2 MB |
| Requires iOS | 17.5 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Carl Hiltbrunner](https://appshunter.io/developer/1763556281) | [National Tool Works LLC](https://appshunter.io/developer/1885230787) |

## What reviewers say

### ElectionDrop

[App page](https://appshunter.io/ios/app/electiondrop/id6642689066)

**Features:** macOS Compatibility

**In-app purchases:** none


### Plumb

[App page](https://appshunter.io/ios/app/plumb-bubble-spirit-level/id6760734372)

This tool simulates a physical spirit level with realistic physics and fluid optics. It offers multiple display modes for angles and surfaces, with customizable feedback for precise measurements. Features include calibration, night mode, and various themes for different lighting conditions.

**Highlights:** Realistic bubble level physics, Surface bullseye level, Customizable angle measurement, Multiple display modes, Auto-orientation detection, Hold reading function, Visual, audio, and haptic feedback

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plumb Pro | $9.99 | per year |


## Frequently asked questions

### Is ElectionDrop free?

ElectionDrop is free to download, with no in-app purchases.

### Is Plumb free?

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

### Do ElectionDrop or Plumb have ads?

Neither ElectionDrop nor Plumb shows ads.

### Which is updated more often, ElectionDrop or Plumb?

ElectionDrop ships an update every 2 months, and Plumb every 3 weeks. Most recently, ElectionDrop was updated on October 27, 2026 and Plumb on November 5, 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.*