# METH vs Spectrum

METH and Spectrum both sit at 5.0 stars, but that hides the real split: 100% of Spectrum's written reviews are positive against 0% of METH's. Spectrum also leads on ratings volume (5 vs 1). METH's advantage is device support (3 vs 1) and iOS requirement (14.0.0 vs 17.0). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for METH against 5.0 for Spectrum. That said, the two scores are not equally well evidenced: Spectrum has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 0% of METH's written reviews are positive against 100% of Spectrum's.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | METH | Spectrum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/meth-meth/id6670773933/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/spectrum-apps-in-messages/id6777616651/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | Free | Free |
| Size | 48 MB | 6 MB |
| Requires iOS | **14.0.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tj Business Group S.A. de C.V.](https://appshunter.io/developer/1492943861) | [Photon Codes](https://appshunter.io/developer/1879316128) |

## What reviewers say

### METH

[App page](https://appshunter.io/ios/app/meth-meth/id6670773933)

Configure, control, and monitor your methanol injection kit directly from your mobile device. This utility app provides essential tools for managing your injection system's performance.

**Highlights:** Configure injection kit settings, Control injection kit operation, Monitor injection kit performance, Mobile device integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Spectrum

[App page](https://appshunter.io/ios/app/spectrum-apps-in-messages/id6777616651)

This app provides a mini-app launcher directly within iMessage. It allows users to quickly access recent mini-apps, browse visual cards, and preview lightweight experiences without exiting their conversations.

**Highlights:** iMessage mini-app launcher, Access recent mini-apps, Browse visual cards, Preview lightweight experiences, Compact and expanded views, Detailed preview states

**Features:** iMessage stickers

**In-app purchases:** none


## Frequently asked questions

### Is METH free?

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

### Is Spectrum free?

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

### Which has better reviews, METH or Spectrum?

METH and Spectrum are both rated 5.0 out of 5 on the App Store, from 1 and 5 ratings respectively.

### Do METH or Spectrum have ads?

Neither METH nor Spectrum shows ads.

### Which is updated more often, METH or Spectrum?

METH ships an update every 4 days, and Spectrum every 4 days. Most recently, METH was updated on October 30, 2026 and Spectrum on October 31, 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.*