# WaveBlock® EMF Meter vs Keno Lab

The clearest difference is in-app purchases: WaveBlock® EMF Meter at none against Keno Lab's 2. Keno Lab's advantage is update cadence (daily vs every 2 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Keno Lab sells 2 in-app purchases, starting at $6.99 per month. WaveBlock® EMF Meter asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for WaveBlock® EMF Meter against 5.0 for Keno Lab. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

WaveBlock® EMF Meter ships an update every 2 weeks, Keno Lab daily. Both last shipped on October 7, 2026.

## The numbers

| Metric | WaveBlock® EMF Meter | Keno Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/waveblock-emf-meter/id6747926037/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/keno-lab/id6762023517/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | **Free** | Subscription |
| Size | 23 MB | 44 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [WaveBlock LLC](https://appshunter.io/developer/1823438322) | [Steven Sarkisian](https://appshunter.io/developer/1892510593) |

## What reviewers say

### WaveBlock® EMF Meter

[App page](https://appshunter.io/ios/app/waveblock-emf-meter/id6747926037)

This application transforms your phone into an EMF detector, allowing you to measure electromagnetic field levels in real-time. It helps identify potential radiation sources and understand your exposure from electronic devices and power lines.

**Highlights:** Real-time EMF detection, Accurate measurement with device sensors, Color-coded EMF zone indicators, EMF history log, Identify EMF hotspots, Create safer environments

**Features:** macOS Compatibility

**In-app purchases:** none


### Keno Lab

[App page](https://appshunter.io/ios/app/keno-lab/id6762023517)

This app provides historical draw data and trend analysis for Keno players. It helps users understand number behavior, explore patterns, and make more informed picks with data-driven suggestions. A subscription is required for full access to advanced features.

**Highlights:** Historical draw data tracking, Hot and cold number analysis, Trend exploration, Data-driven pick suggestions, Fast and clean interface

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Yearly | $69.99 | per year |


## Frequently asked questions

### Is WaveBlock® EMF Meter free?

WaveBlock® EMF Meter is free to download, with no in-app purchases.

### Is Keno Lab free?

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

### Which has better reviews, WaveBlock® EMF Meter or Keno Lab?

WaveBlock® EMF Meter and Keno Lab are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do WaveBlock® EMF Meter or Keno Lab have ads?

Neither WaveBlock® EMF Meter nor Keno Lab shows ads.

### Which is updated more often, WaveBlock® EMF Meter or Keno Lab?

WaveBlock® EMF Meter ships an update every 2 weeks, and Keno Lab daily. Most recently, WaveBlock® EMF Meter was updated on October 7, 2026 and Keno Lab on October 7, 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.*