Ink Weasel vs MetFlow TA Live
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ink Weasel
Control tattoo machines with touch or voice commands. Save presets, tune needle height and frequency with precision, and choose from three unique wave forms designed for tattooing. Works offline for unlimited machine power.
- Touch and voice control
- 5 saveable presets
- Needle height and frequency tuning
- Three unique wave forms (Shark Tooth, Hammer Head, Jaws)
- Offline functionality
- Voice command customization
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Ink Weasel is the professional control app for Electric Shark audio tattoo machines — including The Scepter linear coil. A revolution in tattoo machine control: shaped waveforms, dual preset banks, hands-free voice, and booth tools on your iPhone. By Richard Detore, Electric Shark Tattoo. FREE DOWNLOAD • Power, level and Hz knobs, wave wheel • Bank 1 — presets 1–5 • Live scope trace • Burned Amber and Brushed Steel skins • In-app Guides and sound settings INK WEASEL PRO (one-time upgrade) • Bank 2 and presets 6–10 — save and edit • Voice commands and wake words • Machine Tuner — coil Hz via microphone • Scope animation and trace brightness • Session stopwatch on scope • All skins and knob styles WAVEFORMS Shark Tooth, Hammerhead, and JAWS — purpose-built audio shapes for lining, packing, and gentle work. BUILT FOR ELECTRIC SHARK HARDWARE Ink Weasel drives The Scepter and compatible Electric Shark audiopower supplies. Audio routes from your iPhone to the amp; the machine follows the shaped pulse. Learn more about machines and The Scepter at electricsharktattoo.com Already paid for Ink Weasel before 2.2? You keep Pro automatically. Restore Purchases is in Settings. Voice commands include; weasel on, weasel off, weasel DC, weasel AC, weasel shark tooth, weasel hammerhead, weasel jaws, weasel 1, weasel 2, weasel 3, weasel 4, weasel 5 (for presets). It uses some power and works offline. Switch it ON or OFF using mic icon (or "weasel microphone off" while ON) Instead of "weasel" you can also call your machine using "hey machine" or "ink weasel" or "electric shark" followed by any of the above commands. DISCLAIMER: Electric Shark products and services are aimed at professional tattoo artists who are fully aware of all legal requirements including sterilisation techniques and effective disposal of Sharps and Soft Wastes. By using this app you agree that neither Electric Shark Tattoo nor the app developer can be held responsible for any damages done by the use of their services and products. As a buyer you must take full responsibility for your product and any effects of our services, including any malfunctions when using this app on your device.
MetFlow TA Live
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Smart tool for balancing of heating and cooling systems. Balancing valves of heading European producers included. Successfully can be used for measuring of very small differential and gauge pressures.
Screenshots
Verdict
The clearest difference is in-app purchases: MetFlow TA Live at none against Ink Weasel's 1. MetFlow TA Live also leads on update cadence (every 4 months vs every 73 months). On price, ads, device support and iOS requirement 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. Ink Weasel sells 1 one-off in-app purchase. MetFlow TA Live asks for nothing beyond the download.
Ink Weasel ships an update every 73 months, MetFlow TA Live every 4 months. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.
| Parameter | Ink Weasel | MetFlow TA Live |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 73 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 133 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Richard Detore | SV Technics |
In-app purchases
Ink Weasel
- ink Weasel Pro$8.99
MetFlow TA Live
No in-app purchases








