# Spirit Level Plus vs Lets Flo RFID

The clearest difference is in-app purchases: Lets Flo RFID at none against Spirit Level Plus's 1. Spirit Level Plus's advantage is iOS requirement (10.3 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Spirit Level Plus sells 1 one-off in-app purchase. Lets Flo RFID asks for nothing beyond the download.

## The numbers

| Metric | Spirit Level Plus | Lets Flo RFID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (2.3K ratings)](https://appshunter.io/ios/app/spirit-level-plus/id635314551/reviews)** | — |
| Number of ratings | **2.3K** | — |
| Positive reviews | 23.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 61 MB |
| Requires iOS | **10.3** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tue Nguyen Minh](https://appshunter.io/developer/434811167) | [Letsflo](https://appshunter.io/developer/1475469678) |

## What reviewers say

### Spirit Level Plus

[App page](https://appshunter.io/ios/app/spirit-level-plus/id635314551)

This app transforms your iPhone into a precise spirit level. It's ideal for various tasks including carpentry, home decoration, and measuring angles and slopes.

**Highlights:** Precise spirit level, Angle measurement, Slope measurement, Carpentry works, Home decoration

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tubular Level | $0.99 | one-time |

**What reviewers like**

- 🚀 Useful tool
- 👍 Handy for RVs and campers
- 👍 Accurate and reliable readings

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🔒 Paywall for basic functionality
- 🔋 High battery consumption
- 👎 Overly aggressive monetization

**Reported bugs**

- Incompatibility with iOS 8.1
- Frequent timeouts and resets

**Requested features**

- Horizontal and vertical level display
- Calibration options
- More customization settings


### Lets Flo RFID

[App page](https://appshunter.io/ios/app/lets-flo-rfid/id6758768886)

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

**In-app purchases:** none


## Frequently asked questions

### Is Spirit Level Plus free?

Spirit Level Plus is free to download, with in-app purchases available.

### Is Lets Flo RFID free?

Lets Flo RFID is free to download, with no in-app purchases.

### Do Spirit Level Plus or Lets Flo RFID have ads?

Neither Spirit Level Plus nor Lets Flo RFID shows ads.

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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.*