Diesel Mechanics on Square pay $29/month — $348/year. Over three years, that's $1,168. Nexa is $279 once. Break-even runs about 9.6 months. The median diesel mechanic earns $55,000/year, so Square's annual cost is roughly 0.6% of typical revenue — every year, forever.
That's $1,168 gone. And you don't own anything. Stop paying, lose access.
You're not the only one who's had enough.
Diesel Mechanics face unique challenges: Reading and clearing fault codes across mixed fleets when every OEM locks its software behind a different subscription. Pricing a repair before tearing down, when a no-start could be a sensor or a dropped valve. Documenting DPF regens and emissions work so the fleet stays DOT-compliant. Keeping a truck's repair history straight so a fleet manager isn't paying twice for the same EGR cooler. On top of all that, Square charges $29/month ($348/year) — money that comes directly from your revenue. The median diesel mechanic earns $55,000/year. Software at $348/year is a meaningful percentage of that income, every year, forever. And you do not own anything.
Your heavy-duty diagnostic scanner with J1939 and OEM software is yours. You bought it once. Nexa works the same way — $279 once for invoicing, scheduling, CRM, time tracking, and full accounting. All connected. All offline-capable. You own it like you own your tools.
Square is just one piece. What else are you losing money on?
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Your exact Square cost, full stack total, and what switching saves. 10 seconds.
| Feature | Square | Nexa |
|---|---|---|
| Invoicing | ✓ | ✓ |
| Scheduling | ✗ | ✓ |
| CRM | ✗ | ✓ |
| Time Tracking | ✗ | ✓ |
| Full Accounting | ✗ | ✓ (SIMPL) |
| Task Management | ✗ | ✓ |
| Price | $29/mo forever | $279 once or 3 × $99 |
| 3-Year Cost | $1,168 | $279 |
| Stop paying? | Lose everything | Keep everything forever |
Most diesel mechanics are fully switched before the weekend.
Go to Square Dashboard → Customers → Export. Also export transactions and item library.
15-minute setup. Import your customer list and service/product catalog.
Run both for 1-2 weeks. Test invoicing and booking through Nexa.
Cancel paid subscriptions. Keep free account for records access.
A diesel mechanic's bay is loud, greasy, and rarely on schedule. The day usually opens with a truck towed in dead or a fleet driver describing a derate, a check-engine lamp, or a sudden loss of power. The first move is the scanner, pulling J1939 and OEM codes that point toward fuel, emissions, or sensors, but codes only narrow the search; the real diagnosis happens with a wrench and a trained ear. Mornings might mean an injector cutout test, checking fuel rail pressure, or measuring blowby to judge whether an engine is tired. Emissions work eats a huge share of the day now: clogged DPFs, failed EGR coolers, DEF dosing faults, and forced regens that have to be documented for DOT. Big jobs like an in-frame overhaul or a head replacement demand torque specs followed exactly, because a missed sequence costs a head gasket and a tow back. Between jobs there are fleet managers calling for status, parts that show up wrong, and a constant pressure to get trucks back on the road because every idle hour is money the customer isn't earning. The headache that lingers isn't the diagnosis; it's keeping each truck's history straight so nobody pays twice for the same EGR cooler, and so the invoice reflects every hour actually turned.
Real diesel mechanics near you who run their business on Nexa — book directly, no platform fee. Are you a diesel mechanic? Post your business and get found in your area — $2.99 one-time. Or browse every diesel mechanic on Nexa →
For solo operators and small teams (1-5), yes. Nexa includes invoicing, scheduling, CRM, time tracking, task management, and full accounting. Square may be better if you have a large team (10+) or need enterprise-specific features.
It's $7.75/month over 3 years. Square is $29/month — that's $1,168 over 3 years. Which is more? And if you'd rather split it, Nexa is also available as 3 payments of $99.
Yes. Nexa is $279 as a one-time payment, or 3 payments of $99 ($297 total). Either way it's a one-time purchase — no subscription, no recurring fees ever.
30-day money-back guarantee. Full refund. If Nexa doesn't save you $500 in year one, you get every penny back.
Export your data from Square as CSV, import into Nexa in about 5 minutes.
The average solo operator there spends about $2,832/year on software — and diesel mechanic face their own version of that math. CA state licensing requirements apply.
Numbers reflect typical solo operators in the Roseville metro. Your situation will vary.
Specific gaps Diesel Mechanics run into with Square, and what Nexa does instead.
$1,168 over 3 years. Or $279 once (or 3 × $99). Own your tools.
Get Nexa — $279 Once