Brand comparison
GratKit vs iSANMATE filament
A like-for-like price comparison of GratKit and iSANMATE filament on Amazon UK and Eryone UK, from live prices.
- GratKit in stock
- 76
- iSANMATE in stock
- 52
- materials in common
- 6
- cheaper on more materials
- GratKit
Compare different brands
GratKit
76 in stock · 9 materials
Typical price
£12.95/kg
From £8.54/kg
Cheaper overall
iSANMATE
52 in stock · 13 materials
Typical price
£14.99/kg
From £9.99/kg
Cheaper per kg, material by material
GratKit 4–2 iSANMATE
- PLA Silk Dual/Tri
- PETG Translucent
- PLA Matte
- PLA Matte Dual/Tri
- PLA Wood
- PLA Matte Rainbow
- GratKit cheaper
- iSANMATE cheaper
Head-to-head numbers
Live Amazon UK and Eryone UK listings in stock right now.
| GratKit | iSANMATE |
|---|---|
| Typical price per kg | |
Better£12.95 | £14.99 |
| Cheapest per kg | |
Better£8.54 | £9.99 |
| Listings in stock | |
Better76 | 52 |
| Materials | |
9 | 13Better |
| Below usual price | |
Better25 | 4 |
| At lowest tracked price | |
26 | 37Better |
Typical price per kg, by material
Median of each brand's listings for materials both stock. Lower is better.
- GratKit
- iSANMATE
- PLA Silk Dual/TriGratKit 29% cheaperGratKit: £12.74iSANMATE: £17.99
- PETG TranslucentGratKit 19% cheaperGratKit: £12.11iSANMATE: £14.99
- PLA MatteiSANMATE 20% cheaperGratKit: £14.99iSANMATE: £11.99
- PLA Matte Dual/TriGratKit 13% cheaperGratKit: £13.99iSANMATE: £15.99
- PLA WoodiSANMATE 41% cheaperGratKit: £21.99iSANMATE: £12.99
- PLA Matte RainbowGratKit 7% cheaperGratKit: £13.99iSANMATE: £14.99
Price spread per kg
Every listing in stock is a tick. The box covers the middle half of prices; the bar inside is the typical (median) price.
- GratKit
- iSANMATE
GratKit
£8.54 – £35.10
iSANMATE
£9.99 – £21.99
Range: listings in stock by material
What each brand actually sells right now, so you can see where one has more choice.
- GratKit
- iSANMATE
Cheapest GratKit per kg
Prices checked 5 Oct, 03:00 – 6 Oct, 11:20 (UK time) and may change.We earn a small commission if you buy. Your price stays the same.
Cheapest iSANMATE per kg
Prices checked 5 Oct, 03:02 – 6 Oct, 05:20 (UK time) and may change.We earn a small commission if you buy. Your price stays the same.
GratKit vs iSANMATE: which is cheaper?
Both brands sell 6 materials on Amazon UK and Eryone UK that we can compare like for like. Comparing the typical (median) price per kilogram of each: GratKit is cheaper per kilogram for PLA Silk Dual/Tri, PETG Translucent, PLA Matte Dual/Tri, PLA Matte Rainbow; iSANMATE is cheaper per kilogram for PLA Matte, PLA Wood.
Across everything in stock, a typical GratKit listing costs £12.95 per kg against £14.99 for iSANMATE. That mixes different materials, so the material-by-material prices are the fairer test.
GratKit has 76 listings in stock across 9 materials; iSANMATE has 52 across 13 materials. Right now 25 GratKit and 4 iSANMATE listings are below their usual 90-day price, and 63 are at their lowest tracked price.
Price is only part of it: diameter tolerance, spool type and how the reel is packed matter too, and they vary between product lines of the same brand. The reviews and price history on each product page help with those.
Common questions
Is GratKit or iSANMATE filament cheaper?
On Amazon UK and Eryone UK right now, a typical GratKit listing costs £12.95 per kg and a typical iSANMATE listing £14.99. Material by material, GratKit is cheaper for PLA Silk Dual/Tri, PETG Translucent, PLA Matte Dual/Tri, PLA Matte Rainbow, and iSANMATE for PLA Matte, PLA Wood.
Where can I see GratKit and iSANMATE price history?
Every product page on SpoolDeal has the price history for that reel (free account) and a public "good time to buy?" verdict, so you can see whether today's price is low for it.
How SpoolDeal checks prices
The same rules on every page, so a deal badge means the same thing everywhere.
Re-checked through the day
Every tracked listing on Amazon UK and Eryone UK is re-checked through the day, and the most-watched ones every two hours.
Measured against our own history
A deal only counts when the price is below what that reel has actually sold for over the last 90 days, not a seller's “was” price.
An email when it drops
Set a target price on any reel with a free account and we email you when it gets there.
Brand pages
Compare GratKit
Waiting for a better price?
Open any reel and set the price you want to pay. We check it through the day and email you when it gets there. Free, and you can switch it off any time.