GRAN EYE G2
GRAN DARTS (LUXZA Co., Ltd.) · Japan · Website
iOS, AndroidA two-camera add-on for steel-tip boards from the maker of GRANBOARD. Three Echo sensors detect each dart and trigger the cameras, and on the G2 everything clips magnetically onto the board, so there is no drilling. Scoring runs in the free GranDarts app on a phone or tablet, with no subscription.
- 2 cameras held on with magnets
- Sensors trigger the cameras
Fig. 2 What it costsEuros, including VAT where the seller shows it
dartshop.de consumer price incl. VAT; out of stock when checked. Vendor EU list price: €289 excl. VAT (about €350 with 21% VAT). Power adapter not included. GRAN has announced that EU prices will be revised. 2,5,10,15
Free without a plan
Everything in the GranDarts app: AI scoring, unlimited online play with video, tournaments, stats and bots. The roadmap lists in-app purchases as in progress; what they will sell is not stated. 1,12,19
Where to buy
| Option | Price | Region | Source |
|---|---|---|---|
| GRAN EYE G2 (vendor list price, EU)2 cameras, hub, 3 Echo units with MagMount, 3 mounting arms, arm extension, cables and 3 stability pads. No power adapter. All app features free, no subscription. | €289 excl. VAT | EU | 1,2,5 |
| GRAN EYE G2 (dartshop.de) | €349.95 incl. VAT | Germany | 15 |
| GRAN EYE G2 (STOPPBALL) | €369.95 incl. VAT | Germany | 16 |
| GRAN EYE G2 with MagMount (Darts Corner) | £309.95 VAT not stated | United Kingdom | 17 |
| GRAN EYE G2 (A-Z Darts, sale price) | $339 VAT not stated | United States | 18 |
| GRAN EYE G2 (vendor list price, Japan) | ¥35,800 excl. VAT | Japan | 3 |
| GRAN EYE, model not named (vendor price, North America) | $269 excl. VAT | US/Canada | 4 |
Upfront is the cheapest complete purchase without a dartboard. Per year is what removes free-tier limits. 3 years is upfront plus three years of that. Subscription prices are shown as the seller lists them.
What you need
A steel-tip bristle board, a phone or tablet with the GranDarts app and a GRAN DARTS account, a USB-C PD power adapter with 12 V output (not included; 25 W+ recommended), a 2.4 GHz Wi-Fi network or a USB connection, and about 75 × 80 cm of space and 27 cm of depth around the board. If the board has a rotation-lock wheel, it must be removed.
Key factsEach fact links to its source
- Cameras
- 22,5
- Two cameras with Sony IMX335 sensors. Three Echo impact sensors detect each dart and trigger the cameras.
- Scoring app on
- iOS, Android2,7,11,13,14
- GranDarts app on iPhone, iPad (iOS 13.0+) and Android. The cameras connect over 2.4 GHz Wi-Fi, or over USB on Android and on an iPad Pro or iPad Air with an M-series chip.
- Online play
- Yes1,9,19
- Free, with live video and a close-up of every dart. Cross-play with GRANBOARD soft-tip players since mid-2026. From November 2026 the GranBoard and GranPlayer apps merge into the GranDarts app (version 4.0), so online play and tournaments run in one app; GranOnline takes no new tournaments after 28 Oct 2026, and tournaments continue on GranTournament.
- Takeout
- Partly automatic11
- The app switches players automatically ('Auto Change'). How dart removal is detected is not documented.
- Accuracy (vendor claim)
- 99.3%2
- Vendor figure for both models; no test method published. No independent test found.
- Needs a computer
- No8
- Scoring runs in the app on a phone or tablet. Since app v3.0.0, weaker devices send the images to GRAN's servers for scoring.
Reported strengths
Reported drawbacks
SourcesThe small numbers on this page link here
- 1GRAN EYE product pagegran-darts.com
- 2GRAN EYE: 2025 vs 2026 Modelgran-darts.com
- 3GRAN EYE: model comparison (Japanese)gran-darts.com
- 4GRAN DARTS homepagegran-darts.com
- 5GRAN EYE G2 user manual (PDF)framerusercontent.com
- 6GRAN support: preparing the power adaptergran-darts.com
- 7GRAN support: optimizing your Wi-Fi environmentgran-darts.com
- 8GRAN EYE works on older phones and tabletsgran-darts.com
- 9GRAN DARTS: cross play for online matchesgran-darts.com
- 10GRAN DARTS: North American price revisiongran-darts.com
- 11GranDarts app changeloggran-darts.com
- 12GranDarts app roadmapgran-darts.com
- 13GranDarts on the App Storeapps.apple.com
- 14GranDarts on Google Playplay.google.com
- 15dartshop.de: Gran Eye GEN2dartshop.de
- 16STOPPBALL: Gran Eye Generation 2stoppball.de
- 17Darts Corner: Gran Eye G2 with Mag Mountdartscorner.co.uk
- 18A-Z Darts: Gran Eye G2a-zdarts.com
- 19GRAN DARTS: GranBoard App and GranPlayer App move into the GranDarts Appgran-darts.com
Changes
- Added to the comparison.
- GRAN DARTS is merging its GranBoard and GranPlayer apps into the GranDarts app (version 4.0, November 2026). GRAN EYE already uses that app; its product page still says no subscription is needed.
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