# MASTECH vs Meteor for 121GW

The clearest difference is update cadence: Meteor for 121GW at every 11 months against MASTECH's every 76 months. Meteor for 121GW also leads on iOS requirement (10.0 vs 12.0). 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.

MASTECH ships an update every 76 months, Meteor for 121GW every 11 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | MASTECH | Meteor for 121GW |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/meteor-for-121gw/id1452124710/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 76 months | **Every 11 months** |
| Monetization | — | Free |
| Size | 7 MB | 22 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MGL APPA CORPORATION](https://appshunter.io/developer/1121102475) | [Western Computational, Inc.](https://appshunter.io/developer/357998892) |

## What reviewers say

### MASTECH

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Meteor for 121GW

[App page](https://appshunter.io/ios/app/meteor-for-121gw/id1452124710)

This app connects to a specific Bluetooth multimeter to display readings and offers enhanced control features. It includes options for spoken measurements, a continuity buzzer, and dark mode, while currently lacking multi-meter support.

**Highlights:** Landscape mode control buttons, Spoken measurement readings, Continuity buzzer option, Dark mode support, Connect/disconnect functionality

**In-app purchases:** none


## Frequently asked questions

### Is MASTECH free?

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

### Is Meteor for 121GW free?

Meteor for 121GW is free to download, with no in-app purchases.

### Do MASTECH or Meteor for 121GW have ads?

Neither MASTECH nor Meteor for 121GW shows ads.

### Which is updated more often, MASTECH or Meteor for 121GW?

MASTECH ships an update every 76 months, and Meteor for 121GW every 11 months. Most recently, MASTECH was updated on November 6, 2026 and Meteor for 121GW on November 2, 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.*