Onefinity Apprentice
#3 in MidsizeFull review
A first CNC for signs and small woodworking projects from a maker with a large accessory range. Add a router to the price.
Onefinity $995$995
The Onefinity Apprentice is the better CNC router overall, rated 3.0 to 2.8. The Onefinity Apprentice leads on warranty. The Twotrees TTC450 Pro wins on price, motion and work area. The Twotrees TTC450 Pro costs $496 less ($499 vs $995).
Twotrees TTC450 Pro
#6 in MidsizeFull review
A budget machine with a large bed for engraving signs and light cutting in wood and plastic. Plan on the 500 W spindle upgrade for harder materials.
Amazon $548 Twotrees $499$499
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Onefinity Apprentice for warranty (2-year warranty vs 1-year warranty).
- Choose the Twotrees TTC450 Pro for price ($499 vs $995), motion (screw or rack drive, limit switches vs screw or rack drive) and work area (328 sq in (18.1 x 18.1 in) vs 272 sq in (16.5 x 16.5 in)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every midsize CNC router; a clear win is highlighted. How we rank explains each one.
| Factor weight | Onefinity Apprentice | Twotrees TTC450 Pro |
|---|---|---|
| Overall rating | 3.0/5 | 2.8/5 |
| Price 25% | 62 $995 | 100 $499 |
| Work area 15% | 3 272 sq in (16.5 x 16.5 in) | 12 328 sq in (18.1 x 18.1 in) |
| Spindle 15% | 50 spindle power not published (neutral score used) | 9 80 W spindle |
| Motion 20% | 30 screw or rack drive | 45 screw or rack drive, limit switches |
| Warranty 25% | 50 2-year warranty | 0 1-year warranty |
Specifications
| Onefinity Apprentice | Twotrees TTC450 Pro | |
|---|---|---|
| Work area | ||
| Travel (X x Y x Z) | 16.5 x 16.5 x 4.5 in | 18.1 x 18.1 x 3.1 in |
| Area | 272 sq in | 328 sq in |
| Spindle | ||
| Spindle | 65 mm router or spindle mount (router not included) | 775 brushed DC, ER11 collet |
| Power | - | 80 W |
| Top speed | - | 8,000 rpm |
| Motion and control | ||
| Frame | all metal | aluminum and stainless steel |
| Linear rails | No | - |
| Drive | Ball screw | Lead screw |
| Closed-loop steppers | No | No |
| Limit switches | No | Yes |
| Controller | RealTime CNC RTS-1 | GRBL |
| Offline controller | No | Yes |
| Build | ||
| Weight | - | 34.1 lb |
| Warranty | 2 years | 1 year |
| Released | 2026-02 | 2024-06 |