# NDSR355A vs EDGE DSP

The clearest difference is update cadence: EDGE DSP at every 6 weeks against NDSR355A's every 10 months. On price, ads, in-app purchases and device support there is nothing between them.

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

NDSR355A ships an update every 10 months, EDGE DSP every 6 weeks. The most recent releases landed on September 29, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | NDSR355A | EDGE DSP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Size | 39 MB | 6 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Aidan Blessindo Electronic Co.,Ltd.](https://appshunter.io/developer/1413008258) | [Midbass Distribution Limited](https://appshunter.io/developer/1669128334) |

## What reviewers say

### NDSR355A

[App page](https://appshunter.io/ios/app/ndsr355a/id6449562008)

**Features:** macOS Compatibility

**In-app purchases:** none


### EDGE DSP

[App page](https://appshunter.io/ios/app/edge-dsp/id6474717579)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NDSR355A free?

NDSR355A is free to download, with no in-app purchases.

### Is EDGE DSP free?

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

### Do NDSR355A or EDGE DSP have ads?

Neither NDSR355A nor EDGE DSP shows ads.

### Which is updated more often, NDSR355A or EDGE DSP?

NDSR355A ships an update every 10 months, and EDGE DSP every 6 weeks. Most recently, NDSR355A was updated on September 29, 2026 and EDGE DSP on September 30, 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.*