# MDA831 Dynamic vs TPE Amplifier

MDA831 Dynamic and TPE Amplifier 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 | MDA831 Dynamic | TPE Amplifier |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 4 MB | 5 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [杏生 卢](https://appshunter.io/developer/1094592555) | [SEIKAKU](https://appshunter.io/developer/860317297) |

## What reviewers say

### MDA831 Dynamic

[App page](https://appshunter.io/ios/app/mda831-dynamic/id1598691124)

**Features:** macOS Compatibility

**In-app purchases:** none


### TPE Amplifier

[App page](https://appshunter.io/ios/app/tpe-amplifier/id6756290732)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MDA831 Dynamic free?

MDA831 Dynamic is free to download, with no in-app purchases.

### Is TPE Amplifier free?

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

### Do MDA831 Dynamic or TPE Amplifier have ads?

Neither MDA831 Dynamic nor TPE Amplifier shows ads.

---

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