# Microwave Link Calculator vs PULAO ECHO

The clearest difference is update cadence: PULAO ECHO at every 4 days against Microwave Link Calculator's every 9 days. PULAO ECHO also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Microwave Link Calculator sells 13 in-app purchases, starting at $1.99 per month and PULAO ECHO sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Microwave Link Calculator ships an update every 9 days, PULAO ECHO every 4 days. The most recent releases landed on October 7, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Microwave Link Calculator | PULAO ECHO |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | Subscription | — |
| Size | 16 MB | 146 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tien Hoang](https://appshunter.io/developer/1743631038) | [PULAO ECHO TECHNOLOGY (HONG KONG) CO., LIMITED](https://appshunter.io/developer/1870799553) |

## What reviewers say

### Microwave Link Calculator

[App page](https://appshunter.io/ios/app/microwave-link-calculator/id6499489507)

This tool helps telecommunications engineers calculate and optimize microwave links. It provides precise distance, azimuth, and elevation computations, antenna configuration, and integrated mapping for accurate outdoor equipment placement.

**Highlights:** Precise distance, azimuth, and elevation calculations, Fresnel Zone computation, Antenna down tilt and azimuth determination, Antenna gain and received power prediction, Integrated Apple Maps view, Obstacle simulation for elevation profiles, Compass with haptic feedback

**Features:** macOS Compatibility

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access | $1.99 | per month |
| All Access | $2.99 | per month |
| All Access | $2.99 | per month |
| All Access | $2.99 | per month |
| All access. | $4.99 | per year |
| All access | $4.99 | per month |
| All access | $7.99 | per 3 months |
| All Access | $15.99 | per 6 months |
| All Access | $15.99 | per 6 months |
| All access | $24.99 | per 6 months |
| All access | $29.99 | per year |
| All Access | $29.99 | per year |
| All Access | $29.99 | per year |


### PULAO ECHO

[App page](https://appshunter.io/ios/app/pulao-echo/id6758084401)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 120 Minutes Transcription Add-on | $2.00 | one-time |
| 600 Minutes Transcription Add-on | $4.00 | one-time |
| 1200 Minutes Transcription Add-on | $6.00 | one-time |
| 10M AI Token | $6.90 | one-time |
| Monthly Plan | $6.99 | one-time |
| Annual Plan | $69.99 | one-time |


## Frequently asked questions

### Is Microwave Link Calculator free?

Microwave Link Calculator is free to download, with in-app purchases available.

### Is PULAO ECHO free?

PULAO ECHO is free to download, with in-app purchases available.

### Do Microwave Link Calculator or PULAO ECHO have ads?

Neither Microwave Link Calculator nor PULAO ECHO shows ads.

### Which is updated more often, Microwave Link Calculator or PULAO ECHO?

Microwave Link Calculator ships an update every 9 days, and PULAO ECHO every 4 days. Most recently, Microwave Link Calculator was updated on October 7, 2026 and PULAO ECHO on October 17, 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.*