# EL Tech vs Aviator Time Calc

The clearest difference is update cadence: EL Tech at fortnightly against Aviator Time Calc's every 6 months. Aviator Time Calc's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On price, 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.

EL Tech ships an update fortnightly, Aviator Time Calc every 6 months. The most recent releases landed on October 31, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | EL Tech | Aviator Time Calc |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 months |
| Monetization | Free | — |
| Size | 116 MB | 1 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Mammatus Weather LLC](https://appshunter.io/developer/1248789289) | [Alexander Melnichuk](https://appshunter.io/developer/1798900100) |

## 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


### Aviator Time Calc

[App page](https://appshunter.io/ios/app/aviator-time-calc/id6761143620)

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

**In-app purchases:** none


## Frequently asked questions

### Is EL Tech free?

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

### Is Aviator Time Calc free?

Aviator Time Calc is free to download, with no in-app purchases.

### Do EL Tech or Aviator Time Calc have ads?

Neither EL Tech nor Aviator Time Calc shows ads.

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

EL Tech ships an update fortnightly, and Aviator Time Calc every 6 months. Most recently, EL Tech was updated on October 31, 2026 and Aviator Time Calc on November 9, 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.*