Shops & tuners · volume pricing

Bulk credit packs — pre-buy files, save 5–25%

Doing lots of files? Pre-buy a pack and the per-file price drops. After you pay, your credits are tied to your email — at the calculator, just click Use 1 credit instead of paying. The more you buy, the bigger the discount.

Email for your credits (use the same one at the calculator)

GPEC2 / GPEC2A Unlock

5×5% off

$712

$142/file

10×15% off

$1275

$128/file

25×25% off

$2812

$112/file

IMMO-OFF

5×5% off

$475

$95/file

10×15% off

$850

$85/file

25×25% off

$1875

$75/file

Credits are scoped to the product you buy (GPEC2A unlock vs IMMO-OFF) and don't expire. Use them on the GPEC2A unlock or IMMO-OFF calculators with the same email you bought the pack with.