METH vs Spectrum
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
METH
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.
- Configure injection kit settings
- Control injection kit operation
- Monitor injection kit performance
- Mobile device integration
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With this App you can config, control and monitoring your Injection kit
Spectrum
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.
- iMessage mini-app launcher
- Access recent mini-apps
- Browse visual cards
- Preview lightweight experiences
- Compact and expanded views
- Detailed preview states
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Send, play, and collect mini apps in Messages
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | METH | Spectrum |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (5 ratings) |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 5 — better |
| Update frequency | Every 4 days | Every 4 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.0.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 48 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Tj Business Group S.A. de C.V. | Photon Codes |
Customer experience
METH
Spectrum
In-app purchases
METH
No in-app purchases
Spectrum
No in-app purchases
