# Cadence Smart DSP vs E680

Cadence Smart DSP and E680 are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Cadence Smart DSP | E680 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Size | 3 MB | 4 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Michael Chen](https://appshunter.io/developer/1775411374) | [Guangzhou Coolpower Technology Co., Ltd.](https://appshunter.io/developer/1152993269) |

## What reviewers say

### Cadence Smart DSP

[App page](https://appshunter.io/ios/app/cadence-smart-dsp/id6737230884)

**Features:** macOS Compatibility

**In-app purchases:** none


### E680

[App page](https://appshunter.io/ios/app/e680-dsp/id6747673092)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cadence Smart DSP free?

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

### Is E680 free?

E680 is free to download, with no in-app purchases.

### Do Cadence Smart DSP or E680 have ads?

Neither Cadence Smart DSP nor E680 shows ads.

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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.*