# Pole Detector vs Flow Essence

The clearest difference is iOS requirement: Pole Detector at 11.0 against Flow Essence's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Pole Detector ships an update every 10 days, Flow Essence every 2 weeks. The most recent releases landed on October 12, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Pole Detector | Flow Essence |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/pole-detector/id1445904845/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 24 MB | 23 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Webcraft AG](https://appshunter.io/developer/1445904844) | [Hans Sponberg](https://appshunter.io/developer/582176744) |

## What reviewers say

### Pole Detector

[App page](https://appshunter.io/ios/app/pole-detector/id1445904845)

Easily identify the north and south poles of a magnet using your smartphone's Teslameter. This tool is ideal for scientific experiments or any production involving magnets.

**Highlights:** Identify north and south magnetic poles, Uses smartphone Teslameter, Assists with magnet experiments, Useful for magnet production

**Features:** macOS Compatibility

**In-app purchases:** none


### Flow Essence

[App page](https://appshunter.io/ios/app/flow-essence/id6742063015)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pole Detector free?

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

### Is Flow Essence free?

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

### Do Pole Detector or Flow Essence have ads?

Neither Pole Detector nor Flow Essence shows ads.

### Which is updated more often, Pole Detector or Flow Essence?

Pole Detector ships an update every 10 days, and Flow Essence every 2 weeks. Most recently, Pole Detector was updated on October 12, 2026 and Flow Essence on September 25, 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.*