Dedicated EMDR machines can cost $200–$600. If you have an iPhone and Joy-Con controllers, you already have everything you need.
When someone searches for an EMDR machine, they're usually looking for a dedicated device that delivers tactile bilateral stimulation — alternating vibrations or taps in each hand that help maintain the dual-attention state used in EMDR therapy. The classic examples are NeuroTek devices ($200–$600) and dedicated tappers like TheraTapper ($100–$450). Single-purpose hardware: order it, charge it, carry it to sessions.
These machines do the job. But most people already own hardware that can do the same thing — and a piece of software to drive it is all that's missing.
Joy-Con controllers use linear resonance actuators — the same class of haptic hardware as the iPhone's Taptic Engine. Unlike cheap vibration motors, LRAs produce clean, distinct, precisely timed alternation between the left and right controller. The result is the kind of bilateral stimulation that feels physically clear without becoming distracting or fatiguing over a long session.
TheraJoy drives that hardware with adjustable speed from 0.25 Hz to 3 Hz, multiple intensity levels, and session presets for different phases of EMDR work — slow for trauma processing, faster for resource installation. Every parameter a dedicated EMDR therapy machine would offer, running on a device most people already own.
One of the most common reasons people search for an EMDR machine at home is between-session work — clients doing self-directed bilateral stimulation for resourcing, grounding, or containment between therapy appointments. A $600 EMDR therapy machine is a significant barrier for home use. TheraJoy is free to download, and the Plus plan ($49/yr) covers solo sessions. If you already have a Nintendo Switch, you already have the controllers.
| Feature | Dedicated EMDR machine | TheraJoy |
|---|---|---|
| Upfront cost | $200–$600 | Free to try |
| Annual cost | $0 (one-time hardware) | $49–$79/yr |
| Works for teletherapy | Client needs their own unit | Client joins free by code |
| Adjustable speed | ✓ (varies by device) | ✓ 0.25–3 Hz |
| Works on existing hardware | Requires purchase | Uses Joy-Cons you may own |
| Free trial | ✗ | ✓ 7 days |
| Available immediately | Shipping required | Download now |
Dedicated EMDR machines have a real advantage for clients who don't have a smartphone or who strongly prefer the tactile weight of a purpose-built physical instrument. If your practice relies on lending hardware to clients in-session, a dedicated device also means no dependency on a client's phone. These are legitimate use cases — TheraJoy isn't the right fit for every clinical situation.
But for teletherapy, for clients who already own a Nintendo Switch, and for at-home between-session work, an app is a significantly lower-friction option.
TheraJoy is free to download. The 7-day trial gives you full access — no credit card required.
Download on the App Store