Comparison

Locksub vs Invoice Maker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Locksub

This app connects locksmiths with job opportunities. Browse confirmed leads, purchase jobs you're available for, and get paid upon completion. It's designed to maximize profits and satisfaction for locksmiths and customers.

Highlights
  • Access locksmith job opportunities
  • Browse confirmed and consolidated leads
  • Purchase and own job leads
  • Manage job details and customer communication
  • Submit invoices and receive payment
  • Receive local job alerts based on location
Features
Read full description

The LockSub App Gives You Locksmith Job Opportunities at Your Fingertips Developed by locksmiths, for locksmiths and subcontractors, the Locksub app is user-friendly, intuitive and can help maximize your business’s profits. All leads and jobs posted to the platform by subcontractors are 100% confirmed and consolidated. All you have to do is browse the leads, purchase the ones you are available for, and complete the work. Once a job is purchased, you’ll take full ownership of it and call the customer to give them an ETA and all relevant information. On completion of the job, you’ll submit an invoice and get paid for your time. The LockSub locksmith app means increased satisfaction for subcontractors, locksmiths and customers alike. LockSub is a valuable locksmith resource for mobile locksmiths. The app is designed to allow a preview of all jobs; the full information is made available to you once the lead has been purchased. Only one locksmith can purchase each lead posted. To ensure you get the most from the app, enable your location settings and you’ll be shown local locksmith jobs to choose from. Simply use the “available to accept jobs” button to show you are available to take on work. LockSub is the easy way to get leads and jobs on the go.

About

Invoice Maker

Create and send professional invoices and estimates quickly from your phone. Organize your finances with easy tracking and notifications when clients open your bills. Customize invoices with details like taxes, discounts, and signatures.

Highlights
  • Create invoices in under a minute
  • Generate invoices from estimates
  • Customize invoice templates
  • Add discounts, taxes, and signatures
  • Track invoice status and client opens
  • Sync across devices
  • Generate income reports
Features
Read full description

Invoice Fly is the easiest way to create and send professional invoices to your clients. It’s perfect for small businesses, freelancers and contractors. Whether you need to create and invoice or estimate, Invoice Fly is the #1 invoice app for the job. Keep your finances organized with Invoice Fly, where you can easily create, send and track invoices on your phone. You will be able to configure as many details as you need, adding payment information, taxes, withholding, due dates, extra images, discount, signature and more. Also, you will be notified when the customer receives and opens your invoice. Features: -Create invoices in less than a minute, anywhere you are. -Generate invoices from estimates with a tap. -Choose from different invoice templates and customize them. -Attach images and additional notes. -Discounts per item or total. -Taxes per item or total. -Add signature. -Share or print invoices on the go. -Quickly setup clients from your phone contact list. -Sync all your devices with the same account. -Track your incomes with easy to use reports. -Get notified when the client receives and opens your invoice. -24/7 support Creating and sending an invoice has never been so easy: Step 1: Tap create invoice Step 2: Select your client to bill, easily from your contacts Step 3: Add the desired items and prices Step 4: You are ready to go, save and send. Privacy Policy: https://www.invoicefly.com/privacy-policy Terms of use: https://www.invoicefly.com/terms-and-cond

Screenshots

Locksub4 screens
Invoice Maker4 screens

Verdict

The call

The clearest difference is rating: Invoice Maker at 4.8 against Locksub's 4.0. Invoice Maker also leads on ratings volume (109K vs 2) and chart position (#8 vs unranked). Locksub's advantage is in-app purchases (none vs 24) and iOS requirement (12.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Invoice Maker sells 20 in-app purchases, starting at $6.99 per 7 days. Locksub asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Invoice Maker holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Invoice Maker has 109K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 77% of Locksub's written reviews are positive against 86% of Invoice Maker's.

UpkeepUpdate frequency

Locksub ships an update fortnightly, Invoice Maker weekly. The most recent releases landed on October 1, 2026 and October 16, 2026 respectively.

Scorecard7 real differences · 4 level
Locksub versus Invoice Maker: the parameters behind the verdict, then further details
ParameterLocksubInvoice Maker
PriceFreeFree
Rating4.0 (2 ratings)4.8 (109K ratings) — better
Positive reviews77.3% of reviews85.9% of reviews — better
Number of ratings2109K — better
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank—#8 — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.6
Further details — not scored
Size57 MB242 MB
Age rating4+4+
DeveloperWILDEFIRE LIMITEDLabhouse Mobile

Customer experience

Locksub

All ratings2 ratings
Positive50.0%
Neutral50.0%
Negative0.0%
Written reviews22 reviews
Positive77.3%
Neutral4.5%
Negative18.2%

Invoice Maker

All ratings109,353 ratings
Positive93.8%
Neutral2.9%
Negative3.3%
Written reviews2,305 reviews
Positive85.9%
Neutral2.9%
Negative11.2%

Bugs and requests

Locksub

Not enough reviews yet to summarise bugs or requests.

Invoice Maker

Reported bugs

3 issues
  • Issues with invoice conversion
  • Inability to view past invoices
  • Inconsistent PDF generation

Requested features

4 requests
  • Ability to convert estimates to invoices
  • Option to save invoices as PDFs
  • Integrate with more payment processors
  • Improved reporting and analytics

In-app purchases

None

Locksub

No in-app purchases

20 purchases

Invoice Maker

Subscriptions19
  • Invoice Fly Weekly3 Days trial$6.997 Days
  • Invoice Fly Weekly7 Days trial$8.997 Days
  • Invoice Fly Weekly3 Days trial2 variants$8.997 Days
Show 16 more
  • Invoice Fly Weekly2 variants$8.997 Days
  • Invoice Fly Weekly3 Days trial$9.997 Days
  • Invoice Fly Weekly7 Days trial2 variants$9.997 Days
  • Invoice Fly Weekly$9.997 Days
  • Invoice PRO Premium (Trial)1 Month trial$12.991 Month
  • Invoice Fly Premium$17.991 Month
  • Unlimited Invoicing$17.991 Month
  • Invoice Fly Monthly3 Days trial$17.991 Month
  • Invoice Fly Monthly7 Days trial$17.991 Month
  • Invoice Fly Monthly$19.991 Month
  • Invoice Fly Premium7 Days trial$29.991 Month
  • Invoice Fly Premium$98.991 Year
  • Invoice Fly Premium3 Days trial$98.991 Year
  • Invoice Fly Premium7 Days trial$98.991 Year
  • Invoice Fly Yearly7 Days trial$99.991 Year
  • Invoice Fly Yearly$199.991 Year
One-time1
  • Unlimited Invoicing$299.99

Questions

Is Locksub free?
Locksub is free to download, with no in-app purchases.
Is Invoice Maker free?
Invoice Maker is free to download, with in-app purchases available.
Which has better reviews, Locksub or Invoice Maker?
Invoice Maker is rated higher. Locksub averages 4.0 out of 5 from 2 ratings, while Invoice Maker averages 4.8 from 109K ratings.
Do Locksub or Invoice Maker have ads?
Neither Locksub nor Invoice Maker shows ads.
Which is updated more often, Locksub or Invoice Maker?
Locksub ships an update fortnightly, and Invoice Maker weekly. Most recently, Locksub was updated on October 1, 2026 and Invoice Maker on October 16, 2026.

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