Comparison

DATAMARK VEP Verify 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

DATAMARK VEP Verify

This mobile application allows users to edit GIS data, create observations, and submit editing sessions directly from the field. It utilizes smartphone GPS and integrates with a platform to streamline data verification and pinpoint edits.

Highlights
  • Edit GIS data in the field
  • Create observations
  • Submit editing sessions
  • Utilizes mobile GPS
  • Native VEP platform integration
  • Streamline data verification
Features
Read full description

VEP Verify is DATAMARK’s mobile application for editing GIS data, creating observations, and submitting editing sessions in VEP directly from the field using a smartphone or tablet. VEP Verify leverages mobile GPS technology and native integration with the VEP platform to streamline field data verification and accurately pinpoint edits made to VEP data. To learn more, visit https://datamarkgis.com.

About

Invoice Maker

Features
Read full description

Invoice Maker is the fastest way to create professional invoices and estimates right from your phone — no accountant, no desktop, no monthly headaches. Whether you're a freelancer, contractor, electrician, cleaner, designer, or run a small business, you can bill a client in under a minute, send a polished PDF, and track exactly who has paid. FREE FEATURES • Create invoices and estimates • Manage clients and import from contacts • Add line items, discounts and tax • Email, print or save your PDF • Record payments and track balances PREMIUM FEATURES (subscription required) • 40+ professionally designed invoice & estimate templates • Custom colour schemes to match your brand • Add your own logo for a fully branded document • Unlimited invoice and estimate creation CREATE INVOICES & ESTIMATES IN SECONDS • Add clients, line items, quantities, discounts and tax • Save reusable services & materials in your Price Book • Set payment terms, due dates, notes and attach photos • Turn an estimate into an invoice when the job is won SEND IT AND GET PAID • Email the PDF to your client in one tap • Mark invoices Paid / Unpaid and record partial payments • Always know your outstanding balance per client BUILT FOR THE REAL WORLD • 34 currencies supported • Works offline — your data stays private on your device • No account or sign-up required SUBSCRIPTION Try Premium free for 3 days. After the trial, the subscription price shown at purchase is charged automatically. Renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of Use: https://wispy-silence-0e92.webmaster-7be.workers.dev/terms_and_conditions Privacy Policy: https://wispy-silence-0e92.webmaster-7be.workers.dev/privacy_policy

Screenshots

DATAMARK VEP Verify4 screens
Invoice Maker4 screens

Verdict

The call

The clearest difference is in-app purchases: DATAMARK VEP Verify at none against Invoice Maker's 2. DATAMARK VEP Verify also leads on iOS requirement (13.0 vs 15.0). Invoice Maker's advantage is update cadence (every 5 weeks vs every 3 months). On price, 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 2 in-app purchases, starting at $19.00 per month. DATAMARK VEP Verify asks for nothing beyond the download.

UpkeepUpdate frequency

DATAMARK VEP Verify ships an update every 3 months, Invoice Maker every 5 weeks. The most recent releases landed on October 21, 2026 and October 17, 2026 respectively.

Scorecard3 real differences · 6 level
DATAMARK VEP Verify versus Invoice Maker: the parameters behind the verdict, then further details
ParameterDATAMARK VEP VerifyInvoice Maker
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size22 MB39 MB
Age rating4+4+
DeveloperMichael Baker International, LLCCaractiv Tech

In-app purchases

None

DATAMARK VEP Verify

No in-app purchases

2 purchases

Invoice Maker

Subscriptions2
  • Premium Membership Monthly3 Days trial$19.001 Month
  • Premium Membership Annually3 Days trial$199.001 Year

Questions

Is DATAMARK VEP Verify free?
DATAMARK VEP Verify is free to download, with no in-app purchases.
Is Invoice Maker free?
Invoice Maker is free to download, with in-app purchases available.
Do DATAMARK VEP Verify or Invoice Maker have ads?
Neither DATAMARK VEP Verify nor Invoice Maker shows ads.
Which is updated more often, DATAMARK VEP Verify or Invoice Maker?
DATAMARK VEP Verify ships an update every 3 months, and Invoice Maker every 5 weeks. Most recently, DATAMARK VEP Verify was updated on October 21, 2026 and Invoice Maker on October 17, 2026.

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