# Echo vs Stack Up Skills

The clearest difference is update cadence: Echo at every 10 days against Stack Up Skills's monthly. Echo also leads on ratings volume (3 vs 1). Stack Up Skills's advantage is iOS requirement (15.0 vs 18.5). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Echo sells 11 in-app purchases, starting at $19.99 per year and Stack Up Skills sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Echo against 5.0 for Stack Up Skills. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Echo ships an update every 10 days, Stack Up Skills monthly. The most recent releases landed on September 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Echo | Stack Up Skills |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/echo-call-trainer-app/id6468939888/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/stack-up-skills/id6670149719/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 98 MB |
| Requires iOS | 18.5 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Elevated Outdoors](https://appshunter.io/developer/1710989716) | [Stack Up Skills LLC](https://appshunter.io/developer/1765049425) |

## 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 |


### Stack Up Skills

[App page](https://appshunter.io/ios/app/stack-up-skills/id6670149719)

Measure, track, and improve your basketball abilities. Discover local skill events, compete on leaderboards, and monitor your progress across ten core skills. Coaches can also use it for fundraising by hosting events.

**Highlights:** Skill measurement across 10 core basketball skills, Track practice and skill improvements, Find and participate in local skill events, Global and local leaderboards, Progress tracking over time, Fundraising tool for coaches and clubs

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Athlete Monthly Plan | $1.99 | per month |
| Host Monthly Plan | $9.99 | per month |


## Frequently asked questions

### Is Echo free?

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

### Is Stack Up Skills free?

Stack Up Skills is free to download, with in-app purchases available.

### Which has better reviews, Echo or Stack Up Skills?

Echo and Stack Up Skills are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Echo or Stack Up Skills have ads?

Neither Echo nor Stack Up Skills shows ads.

### Which is updated more often, Echo or Stack Up Skills?

Echo ships an update every 10 days, and Stack Up Skills monthly. Most recently, Echo was updated on September 23, 2026 and Stack Up Skills 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.*