# TimeStamp App vs EMF Tracker

The clearest difference is review sentiment: EMF Tracker at 100% against TimeStamp App's 0%. EMF Tracker also leads on update cadence (every 5 days vs fortnightly). TimeStamp App's advantage is in-app purchases (none vs 2) and iOS requirement (8.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. EMF Tracker sells 2 in-app purchases, starting at $2.99 per year. TimeStamp App asks for nothing beyond the download.

TimeStamp App ships an update fortnightly, EMF Tracker every 5 days. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | TimeStamp App | EMF Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 4 MB | 41 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [明毅 龚](https://appshunter.io/developer/571558631) | [PPLST Tech](https://appshunter.io/developer/1832748300) |

## What reviewers say

### TimeStamp App

[App page](https://appshunter.io/ios/app/timestamp-app/id1183670379)

This application is designed for patrol and check-in functions. It allows users to record their presence at specific locations during patrols.

**Highlights:** Patrol functionality, Check-in system, Location recording

**Features:** macOS Compatibility

**In-app purchases:** none


### EMF Tracker

[App page](https://appshunter.io/ios/app/emf-tracker/id6749901198)

This app measures electromagnetic field (EMF) levels using your phone's magnetometer. It provides real-time data, professional charts, and AI-powered insights to help you understand and manage your exposure. Track trends, identify patterns, and receive personalized advice to reduce potential risks.

**Highlights:** Real-time EMF detection, Professional charts and graphs, AI-powered insights and tips, Trend and pattern analysis, History and data export, 4-tier safety levels

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EMF Tracker - Wellness | $2.99 | per year |
| EMF Tracker - Pro | $4.99 | per year |


## Frequently asked questions

### Is TimeStamp App free?

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

### Is EMF Tracker free?

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

### Do TimeStamp App or EMF Tracker have ads?

Neither TimeStamp App nor EMF Tracker shows ads.

### Which is updated more often, TimeStamp App or EMF Tracker?

TimeStamp App ships an update fortnightly, and EMF Tracker every 5 days. Most recently, TimeStamp App was updated on October 13, 2026 and EMF Tracker 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.*