# Echo vs ArrowMetrics

The clearest difference is in-app purchases: ArrowMetrics at none against Echo's 11. ArrowMetrics also leads on iOS requirement (12.0 vs 18.5). Echo's advantage is update cadence (every 10 days vs every 10 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Echo sells 11 in-app purchases, starting at $19.99 per year. ArrowMetrics asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Echo against 5.0 for ArrowMetrics. Both are backed by a comparable volume of ratings — 3 and 7 respectively.

Echo ships an update every 10 days, ArrowMetrics every 10 months. The most recent releases landed on September 23, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Echo | ArrowMetrics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/echo-call-trainer-app/id6468939888/reviews) | [5.0 (7 ratings)](https://appshunter.io/ios/app/arrowmetrics/id6738835543/reviews) |
| Number of ratings | 3 | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 10 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 14 MB | 57 MB |
| Requires iOS | 18.5 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Elevated Outdoors](https://appshunter.io/developer/1710989716) | [The Arrow Bro LLC](https://appshunter.io/developer/1892657504) |

## What reviewers say

### Echo

[App page](https://appshunter.io/ios/app/echo-call-trainer-app/id6468939888)

This app helps hunters hone their animal calling abilities by recording and analyzing their vocalizations. It offers instant feedback with a performance score and visual waveform comparison to professional calls. Practice a variety of animal sounds to enhance your hunting prowess.

**Highlights:** Record and analyze animal calls, Compare audio with professional recordings, Receive performance percentage scores, View audio waveforms for visual comparison, Practice various animal sounds, Instant feedback on performance

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $19.99 | per year |
| Location Bugle - Travis O'Shea | $0.99 | one-time |
| Location Bugle 3 - Gilbertson | $0.99 | one-time |
| Aggressive Bugle - Actual Elk | $0.99 | one-time |
| Calf Mew - Actual Elk | $0.99 | one-time |
| Location Bugle 2 - Gilbertson | $0.99 | one-time |
| Location Bugle 3 - Actual Elk | $0.99 | one-time |
| Location Bugle 1 - Actual Elk | $0.99 | one-time |
| Location Bugle 2 - Actual Elk | $0.99 | one-time |
| Chuckle Bugle - Actual Elk | $0.99 | one-time |
| Calf Mew 5 - Travis O'Shea | $0.99 | one-time |


### ArrowMetrics

[App page](https://appshunter.io/ios/app/arrowmetrics/id6738835543)

Calculate and compare arrow builds before investing time and money. The free version offers essential calculations for weight, FOC, kinetic energy, momentum, speed, and spine. Future updates will introduce advanced features for subscribed users.

**Highlights:** Arrow build calculation, Front of Center (FOC) evaluation, Kinetic energy and momentum calculation, Arrow speed and spine analysis, Pre-build planning tool

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

**In-app purchases:** none


## Frequently asked questions

### Is Echo free?

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

### Is ArrowMetrics free?

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

### Which has better reviews, Echo or ArrowMetrics?

Echo and ArrowMetrics are both rated 5.0 out of 5 on the App Store, from 3 and 7 ratings respectively.

### Do Echo or ArrowMetrics have ads?

Neither Echo nor ArrowMetrics shows ads.

### Which is updated more often, Echo or ArrowMetrics?

Echo ships an update every 10 days, and ArrowMetrics every 10 months. Most recently, Echo was updated on September 23, 2026 and ArrowMetrics on September 29, 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.*