# ECHOMASTER vs SDS Plus

The clearest difference is update cadence: SDS Plus at every 5 months against ECHOMASTER's every 20 months. ECHOMASTER's advantage is device support (3 vs 1) and iOS requirement (10.0 vs 16). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ECHOMASTER ships an update every 20 months, SDS Plus every 5 months. The most recent releases landed on September 23, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | ECHOMASTER | SDS Plus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 5 months** |
| Size | 51 MB | 10 MB |
| Requires iOS | **10.0** | 16 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AAMP Global](https://appshunter.io/developer/1254428712) | [Logistics Solutions Limited](https://appshunter.io/developer/1669454281) |

## What reviewers say

### ECHOMASTER

[App page](https://appshunter.io/ios/app/echomaster/id1455048517)

**Features:** macOS Compatibility

**In-app purchases:** none


### SDS Plus

[App page](https://appshunter.io/ios/app/sds-plus/id6746648456)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ECHOMASTER free?

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

### Is SDS Plus free?

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

### Do ECHOMASTER or SDS Plus have ads?

Neither ECHOMASTER nor SDS Plus shows ads.

### Which is updated more often, ECHOMASTER or SDS Plus?

ECHOMASTER ships an update every 20 months, and SDS Plus every 5 months. Most recently, ECHOMASTER was updated on September 23, 2026 and SDS Plus on September 27, 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.*