# EL Tech vs Zulu Time

The clearest difference is in-app purchases: EL Tech at none against Zulu Time's 1. Zulu Time's advantage is update cadence (every 4 days vs fortnightly) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Zulu Time sells 1 in-app purchase, starting at $1.99 per month. EL Tech asks for nothing beyond the download.

EL Tech ships an update fortnightly, Zulu Time every 4 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | EL Tech | Zulu Time |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/el-tech/id6758129838/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free | — |
| Size | 116 MB | 15 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Mammatus Weather LLC](https://appshunter.io/developer/1248789289) | [Yigit Can Akinci](https://appshunter.io/developer/1455217918) |

## What reviewers say

### EL Tech

[App page](https://appshunter.io/ios/app/el-tech/id6758129838)

Access real-time ASOS surface observations and NEXRAD radar data to monitor airport equipment health, detect anomalies, and troubleshoot issues. This tool helps maintenance personnel and field engineers ensure high system uptime for critical aviation weather systems.

**Highlights:** Live ASOS surface observations, Real-time NEXRAD radar data, Monitor equipment health, Detect anomalies, Troubleshoot system issues, Maintain system uptime

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases:** none


### Zulu Time

[App page](https://appshunter.io/ios/app/zulu-time-pilot-utc-clock/id6806399579)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zulu Time Pro | $1.99 | per month |


## Frequently asked questions

### Is EL Tech free?

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

### Is Zulu Time free?

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

### Do EL Tech or Zulu Time have ads?

Neither EL Tech nor Zulu Time shows ads.

### Which is updated more often, EL Tech or Zulu Time?

EL Tech ships an update fortnightly, and Zulu Time every 4 days. Most recently, EL Tech was updated on October 31, 2026 and Zulu Time on October 31, 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.*