# ECHO Application vs OC Academy

The clearest difference is in-app purchases: ECHO Application at none against OC Academy's 10. ECHO Application also leads on iOS requirement (16.6 vs 18.0). OC Academy's advantage is update cadence (every 2 months vs every 12 months). On price, ads and device support there is nothing between them.

Both are free to download. OC Academy sells 10 one-off in-app purchases. ECHO Application asks for nothing beyond the download.

ECHO Application ships an update every 12 months, OC Academy every 2 months. The most recent releases landed on October 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ECHO Application | OC Academy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Size | 43 MB | 48 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Ajay Vaidya](https://appshunter.io/developer/1514064236) | [oc academy](https://appshunter.io/developer/1872635401) |

## What reviewers say

### ECHO Application

[App page](https://appshunter.io/ios/app/echo-application/id6471488790)

**Features:** macOS Compatibility

**In-app purchases:** none


### OC Academy

[App page](https://appshunter.io/ios/app/oc-academy/id6759248144)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| stg.Programe In Genral Med... (407) | $0.99 | one-time |
| stg.Final Testing Regressi... (414) | $1.99 | one-time |
| Certification Course in Tr... (228) | $69.99 | one-time |
| Certification Course in An... (172) | $99.99 | one-time |
| Certification Course in An... (173) | $99.99 | one-time |
| Certification Course in Ma... (227) | $99.99 | one-time |
| Certification Course in Lu... (192) | $119.99 | one-time |
| Certification Course in St... (191) | $119.99 | one-time |
| stg.Certification Course R... (412) | $129.99 | one-time |
| Certification Course In Op... (262) | $199.99 | one-time |


## Frequently asked questions

### Is ECHO Application free?

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

### Is OC Academy free?

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

### Do ECHO Application or OC Academy have ads?

Neither ECHO Application nor OC Academy shows ads.

### Which is updated more often, ECHO Application or OC Academy?

ECHO Application ships an update every 12 months, and OC Academy every 2 months. Most recently, ECHO Application was updated on October 5, 2026 and OC Academy on October 25, 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.*