# Echo Trainer vs ShiroWalk

The clearest difference is update cadence: ShiroWalk at every 5 days against Echo Trainer's every 2 months. Echo Trainer's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Echo Trainer sells 2 in-app purchases, starting at $4.99 per month and ShiroWalk sells 7 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Echo Trainer ships an update every 2 months, ShiroWalk every 5 days. The most recent releases landed on October 15, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Echo Trainer | ShiroWalk |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 41 MB | 212 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Raymond Huynh](https://appshunter.io/developer/1851092393) | [hiroaki suzuki](https://appshunter.io/developer/1477004044) |

## What reviewers say

### Echo Trainer

[App page](https://appshunter.io/ios/app/echo-trainer/id6754950395)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Echo Trainer Premium (1 Month) | $4.99 | per month |
| Echo Trainer Premium (1 Year) | $34.99 | per year |


### ShiroWalk

[App page](https://appshunter.io/ios/app/shirowalk-castle-walk/id6772928347)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Annual Premium | $29.99 | per year |
| Castle Boost Small | $0.99 | one-time |
| Castle Select Ticket | $0.99 | one-time |
| Castle Boost Medium | $1.99 | one-time |
| Castle Boost Large | $2.99 | one-time |
| Founder Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Echo Trainer free?

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

### Is ShiroWalk free?

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

### Do Echo Trainer or ShiroWalk have ads?

Neither Echo Trainer nor ShiroWalk shows ads.

### Which is updated more often, Echo Trainer or ShiroWalk?

Echo Trainer ships an update every 2 months, and ShiroWalk every 5 days. Most recently, Echo Trainer was updated on October 15, 2026 and ShiroWalk on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*