5 Best Small-Business Apps of December 2025
These apps can help you with point-of-sale, accounting, invoicing and payroll.
Learn more | Product | Best for | NerdWallet rating | Payment processing fees | Monthly fee | Learn more |
|---|---|---|---|---|---|
 Square POS | Best POS app | In-person: 2.6% + $0.15 Online: 3.3% + $0.30 | $0 and up. | on Square's website | |
 Xero | Best expense tracking app | N/A | $0 | on Xero's website | |
 Gusto Payroll | Best payroll app | N/A | $0 | on Gusto's website | |
 QuickBooks Online | Best accounting app | N/A | $0 | on QuickBooks' website | |
Square Invoices | Best invoicing app | N/A | $0 | on Square's website |
Best overall POS system
Square POS
Best for Best POS app
Payment processing fees
In-person: 2.6% + $0.15
Online: 3.3% + $0.30
Online: 3.3% + $0.30
Monthly fee
$0
and up.
on Square's website
Pros
- Free plan option available.
- Offers helpful related services, like payroll, that integrate closely with its POS system.
- No long-term contracts or termination fees.
- All plans include a free online store.
Cons
- Free plan processing rates are more expensive than competitors.
- Complex industries might prefer a more specialized system.
Our pick for simple accounting software
Xero
Best for Best expense tracking app
Starting at
$25/month
Additional pricing tiers (per month): $55, $90.
Promotion
90% off
for 6 months.
on Xero's website
Pros
- Unlimited users in all pricing plans.
- Integrates with more than 1,000 third-party apps.
- Feature set includes an excellent mobile app and suite of reports, capable invoicing features, plus automated bill and receipt capture through Hubdoc.
- Simple layout and easy to use.
Cons
- No inbound phone customer support (callbacks are available, though).
- Entry-level plan limits bills and invoices to five and 20 per month, respectively.
- Must subscribe to the highest-tier Established plan to claim expenses.
Gusto Payroll
Best for Best payroll app
Starting at
$49/month
Additional pricing tiers (per month): $80, $180. Fee per employee varies by tier.
Promotion
1 months free
on Gusto's website
Pros
- Benefits administration (health benefits are available in 38 states and Washington, D.C.; 401(k) plans are available in all 50 states).
- Time-tracking features at higher-price tiers (limited at Simple level).
- Certified HR experts available (at the Premium level).
- Free account setup.
- Next-day direct deposit (at Plus and Premium levels).
Cons
- More expensive than some options.
- Limited hours for live support.
QuickBooks Online
Best for Best accounting app
Starting at
$38/month
Additional pricing tiers (per month): $75, $115, $275.
Promotion
50% off
for 3 months or free 30-day trial.
on QuickBooks' website
Pros
- Easy to share information with your accountant and to find QuickBooks experts and online resources if needed.
- More than 750 app integrations.
- Robust feature set includes record-keeping, reporting, invoicing and inventory management, plus a capable mobile app.
- Chat and phone support available Monday through Saturday in all plans.
Cons
- Expensive compared with the competition.
- Frequent price increases and a tendency toward upselling.
- Limited account users with each plan.
Square Invoices
Best for Best invoicing app
Starting at
$0
Free plan; $49 Plus plan; $149 Premium plan.
Promotion
30-day free trial
of the Plus and Premium plans.
on Square's website
Pros
- Free plan supports unlimited invoicing and unlimited users.
- Create digital contracts for clients to e-sign.
- Send invoices via SMS.
- Integrates with various third-party products, including QuickBooks Online and Xero. You can accept online payments through Square, Apple Pay or Google Pay.
Cons
- Must subscribe to paid plan to auto-convert estimates to invoices.
- No in-house time tracking or expense receipt scanning.
Sort by:
Best overall POS system
Payment processing fees
In-person: 2.6% + $0.15
Online: 3.3% + $0.30
Online: 3.3% + $0.30
Monthly fee
$0
and up.
on Square's website
Pros
- Free plan option available.
- Offers helpful related services, like payroll, that integrate closely with its POS system.
- No long-term contracts or termination fees.
- All plans include a free online store.
Cons
- Free plan processing rates are more expensive than competitors.
- Complex industries might prefer a more specialized system.
Best overall POS system
Square POS
Best for Best POS app
Best for Best POS app
Payment processing fees
In-person: 2.6% + $0.15
Online: 3.3% + $0.30
Online: 3.3% + $0.30
Monthly fee
$0
and up.
on Square's website
Pros
- Free plan option available.
- Offers helpful related services, like payroll, that integrate closely with its POS system.
- No long-term contracts or termination fees.
- All plans include a free online store.
Cons
- Free plan processing rates are more expensive than competitors.
- Complex industries might prefer a more specialized system.
Our pick for simple accounting software
Pros
- Unlimited users in all pricing plans.
- Integrates with more than 1,000 third-party apps.
- Feature set includes an excellent mobile app and suite of reports, capable invoicing features, plus automated bill and receipt capture through Hubdoc.
- Simple layout and easy to use.
Cons
- No inbound phone customer support (callbacks are available, though).
- Entry-level plan limits bills and invoices to five and 20 per month, respectively.
- Must subscribe to the highest-tier Established plan to claim expenses.
Our pick for simple accounting software
Xero
Best for Best expense tracking app
Best for Best expense tracking app
Payment processing fees
N/A
on Xero's website
Pros
- Unlimited users in all pricing plans.
- Integrates with more than 1,000 third-party apps.
- Feature set includes an excellent mobile app and suite of reports, capable invoicing features, plus automated bill and receipt capture through Hubdoc.
- Simple layout and easy to use.
Cons
- No inbound phone customer support (callbacks are available, though).
- Entry-level plan limits bills and invoices to five and 20 per month, respectively.
- Must subscribe to the highest-tier Established plan to claim expenses.
Pros
- Benefits administration (health benefits are available in 38 states and Washington, D.C.; 401(k) plans are available in all 50 states).
- Time-tracking features at higher-price tiers (limited at Simple level).
- Certified HR experts available (at the Premium level).
- Free account setup.
- Next-day direct deposit (at Plus and Premium levels).
Cons
- More expensive than some options.
- Limited hours for live support.
Gusto Payroll
Best for Best payroll app
Best for Best payroll app
Payment processing fees
N/A
on Gusto's website
Pros
- Benefits administration (health benefits are available in 38 states and Washington, D.C.; 401(k) plans are available in all 50 states).
- Time-tracking features at higher-price tiers (limited at Simple level).
- Certified HR experts available (at the Premium level).
- Free account setup.
- Next-day direct deposit (at Plus and Premium levels).
Cons
- More expensive than some options.
- Limited hours for live support.
Pros
- Easy to share information with your accountant and to find QuickBooks experts and online resources if needed.
- More than 750 app integrations.
- Robust feature set includes record-keeping, reporting, invoicing and inventory management, plus a capable mobile app.
- Chat and phone support available Monday through Saturday in all plans.
Cons
- Expensive compared with the competition.
- Frequent price increases and a tendency toward upselling.
- Limited account users with each plan.
QuickBooks Online
Best for Best accounting app
Best for Best accounting app
Payment processing fees
N/A
on QuickBooks' website
Pros
- Easy to share information with your accountant and to find QuickBooks experts and online resources if needed.
- More than 750 app integrations.
- Robust feature set includes record-keeping, reporting, invoicing and inventory management, plus a capable mobile app.
- Chat and phone support available Monday through Saturday in all plans.
Cons
- Expensive compared with the competition.
- Frequent price increases and a tendency toward upselling.
- Limited account users with each plan.
Pros
- Free plan supports unlimited invoicing and unlimited users.
- Create digital contracts for clients to e-sign.
- Send invoices via SMS.
- Integrates with various third-party products, including QuickBooks Online and Xero. You can accept online payments through Square, Apple Pay or Google Pay.
Cons
- Must subscribe to paid plan to auto-convert estimates to invoices.
- No in-house time tracking or expense receipt scanning.
Square Invoices
Best for Best invoicing app
Best for Best invoicing app
Payment processing fees
N/A
on Square's website
Pros
- Free plan supports unlimited invoicing and unlimited users.
- Create digital contracts for clients to e-sign.
- Send invoices via SMS.
- Integrates with various third-party products, including QuickBooks Online and Xero. You can accept online payments through Square, Apple Pay or Google Pay.
Cons
- Must subscribe to paid plan to auto-convert estimates to invoices.
- No in-house time tracking or expense receipt scanning.
Jump to
More small-business apps to consider
The top small-business apps listed are the best overall in their category, but that doesn’t mean they’re the perfect fit for every business. If you’re looking for more industry-specific alternatives or have particular must-have features in mind, you might weigh these options, too.
Keep in mind that some apps — like QuickBooks Online and FreshBooks — can serve multiple functions. Be sure to check the feature list of your existing software to avoid adding a potentially redundant subscription to your expenses.
Shopify Retail POS Clover POS Toast POS Lightspeed Retail POS
Xero Zoho Books FreshBooks Wave
QuickBooks Payroll OnPay RUN Powered by ADP Patriot
- Harvest : 5 stars. Product-based businesses, like architecture and consulting firms, will appreciate Harvest’s focus on project profitability and time tracking.
- Zoho Invoice : 4.5 stars. Zoho Invoice is a free invoicing software product that integrates seamlessly with
Zoho Books
- Expensify : Not rated by NerdWallet. If you’re looking for a scalable expense tracking app primarily for your employees, Expensify is worth considering. In addition to letting employees quickly submit expense reports to their managers, it includes popular accounting and payroll integrations.
- Zoho Expense : Not rated by NerdWallet. Zoho Expense is a convenient option for businesses that already use
Zoho Books
How to choose the best small-business apps
Here’s a rundown of each type of business app’s key function and which factors to consider to find the best fit.
POS apps
The best POS systems
- Hardware options, including card readers, terminals, cash drawers and receipt printers.
- Inventory tracking features.
- Monthly software fees and payment processing fees.
- Card payment methods accepted (e.g., swiped, tapped or keyed).
- Offline and mobile payment processing options.
- Live support availability.
Accounting apps
Accounting software, at a minimum, tracks your business’s income and expenditures. The best accounting software
- Ease of use.
- Robust accounting reports.
- Invoicing capabilities.
- Integrations with third-party apps including payroll and POS systems.
- Daily customer support.
- Scalability.
Payroll apps
The best payroll software
- Unlimited payroll runs.
- The ability to calculate, file and pay federal, state and local payroll taxes.
- Employee portal or mobile app.
- Benefits administration.
- Next-day or same-day direct deposit options.
- Accounting software integrations.
Invoicing apps
The best invoicing software
- Monthly software fee.
- Processing fees.
- Invoice customization options.
- Accounting software integrations.
Expense tracking apps
The best expense trackers
- Mileage tracking.
- Employee app for submitting business-related expenses.
- Ability to snap photos of receipts with a mobile app.
- Accounting software integrations.
Methodology
Here is more information on how NerdWallet evaluates different business software products and their apps: