# SecureMyID vs Plumb

The clearest difference is in-app purchases: SecureMyID at none against Plumb's 1. SecureMyID also leads on iOS requirement (11.0 vs 16.0). Plumb's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support there is nothing between them.

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

SecureMyID ships an update every 2 months, Plumb every 3 weeks. The most recent releases landed on September 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SecureMyID | Plumb |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (9 ratings)](https://appshunter.io/ios/app/plumb-bubble-spirit-level/id6760734372/reviews)** |
| Number of ratings | — | **9** |
| 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 | 43 MB | 2 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SECUREMYID LIMITED](https://appshunter.io/developer/1655909119) | [National Tool Works LLC](https://appshunter.io/developer/1885230787) |

## What reviewers say

### SecureMyID

[App page](https://appshunter.io/ios/app/securemyid/id6444660874)

**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 SecureMyID free?

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

### Is Plumb free?

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

### Do SecureMyID or Plumb have ads?

Neither SecureMyID nor Plumb shows ads.

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

SecureMyID ships an update every 2 months, and Plumb every 3 weeks. Most recently, SecureMyID was updated on September 18, 2026 and Plumb on October 24, 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.*