# MASTECH vs EM930

MASTECH and EM930 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 | MASTECH | EM930 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 76 months | — |
| Size | 7 MB | 32 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [MGL APPA CORPORATION](https://appshunter.io/developer/1121102475) | [ZHANGZHOU EASTERN INTELLIGENT METER CO., LTD.](https://appshunter.io/developer/1064839954) |

## What reviewers say

### MASTECH

[App page](https://appshunter.io/ios/app/mastech/id1229324045)

**Features:** macOS Compatibility

**In-app purchases:** none


### EM930

[App page](https://appshunter.io/ios/app/em930/id6575389604)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MASTECH free?

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

### Is EM930 free?

EM930 is free to download, with no in-app purchases.

### Do MASTECH or EM930 have ads?

Neither MASTECH nor EM930 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.*