Comparison

Estimate Maker Flex vs Venbook

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

Head to head
About

Estimate Maker Flex

Create and send professional estimates quickly and easily. Convert estimates to invoices with a single tap. Customize titles, currencies, and date formats for a personalized touch. Works offline and supports multiple templates.

Highlights
  • Create and send estimates
  • Convert estimates to invoices
  • Customizable titles and subtitles
  • Multi-currency support
  • Multiple date formats
  • Offline functionality
  • Professional templates
Features
Read full description

Create and send professional estimates on the spot. Turn estimates into invoices by a single tap. Close more business deals. How it works * Enter your info * Add customers manually or from Contacts * Add your products / services After that, you can create and send professional estimates instantly. Flexibility * Manually edit titles (e.g. Estimate -> estimación, Quote) * Manually edit subtitles (e.g. Billing address -> Bill to, Signature -> Approved by) * Multi-currencies (e.g. \$, £, ... Manually enter your currency code) * Date format (e.g. 04/18/2019, 18/04/2019, 18/Apr/2019) * Works without the internet * Import contacts from your existing contacts or manually create them * Payment term set up based on each customer (7 days by default) * Decimal hours or quantity supported * Five professionally designed beautiful templates * Delete items (e.g. Estimates, products, customers) by swiping to the left * Edit existing documents * Add signature and date on the spot * Icon, Signature, Note, Other comments fields won't appear if nothing is entered * Preview estimates before sending them as a PDF * Send as a PDF or print wirelessly * Create 5 estimates for free Professional Features * Add business registration name (ABN etc.) and number * Tax, GST, VAT set up (e.g. No tax, single tax, compound tax) * Add discount (Actual \$ or %) * Payment terms (Immediate, 7 days, 14 days, 21 days,... up to 180 days) * Add your company logo ### Mobility * Send directly from iPhone and iPad * Your personal estimate system in your pocket ### Upgrade to Subscription Version The subscription version offers cloud sync and backup features so that you can save all the info in our highly secured cloud services and share the same data across multiple iOS devices. Upgrading to the subscription version requires auto-renewal subscription. Payment will be charged to your Apple ID account at the confirmation of purchase. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. Links to Your Privacy Policy and Terms of Use: http://www.btoj.com.au/privacy.html http://www.btoj.com.au/terms.html Please feel free to contact us for anything. Simplify your life now.

About

Venbook

Manage your business with this app, offering tools for sales, orders, and budgets. It helps you control service orders, schedule appointments, and maintain customer and product databases. Generate and share professional documents like orders and quotes in PDF format.

Highlights
  • Sales and order management
  • Quote and budget generation
  • Service order control
  • Appointment scheduling
  • Customer and product database
  • PDF document generation
Features
Read full description

Venbook App Control your business efficiently and organizedly. Sales and Order Control: Manage your sales and orders with this tool, providing organization and control of your business. Generate and share orders in documents in PDF format. Estimate Control: Issue quotes quickly and easily, demonstrating professionalism to your customers. Generate and share your budgets in PDF format documents. Control of Service Orders: Control your service orders, including technical report, equipment/device data, solution. Schedule Control: Control your clients' appointments with a set date and time. Functionalities Customer base. Product Registration. Service Registration. Order Registration. Sales Registration. Control of Service Orders (OS). Estimate Registration. Generation of Orders in PDF format. Generation of Budgets in PDF format. Control of customer schedules. Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula

Screenshots

Estimate Maker Flex4 screens
Venbook4 screens

Verdict

The call

The clearest difference is rating: Estimate Maker Flex at 4.8 against Venbook's 4.0. Estimate Maker Flex also leads on ratings volume (101 vs 1) and review sentiment (97% vs 77%). On price, update cadence, ads and in-app purchases 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. Estimate Maker Flex sells 2 in-app purchases, starting at $5.99 per month and Venbook sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Estimate Maker Flex holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Estimate Maker Flex has 101 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 97% of Estimate Maker Flex's written reviews are positive against 77% of Venbook's.

UpkeepUpdate frequency

Estimate Maker Flex ships an update every 8 days, Venbook every 4 days. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
Estimate Maker Flex versus Venbook: the parameters behind the verdict, then further details
ParameterEstimate Maker FlexVenbook
PriceFreeFree
Rating4.8 (101 ratings) — better4.0 (1 ratings)
Positive reviews97.2% of reviews — better77.4% of reviews
Number of ratings101 — better1
Update frequencyEvery 8 daysEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size99 MB81 MB
Age rating4+4+
DeveloperB TO J PTY LTDTech High

Customer experience

Estimate Maker Flex

All ratings101 ratings
Positive95.0%
Neutral4.0%
Negative1.0%
Written reviews71 reviews
Positive97.2%
Neutral0.0%
Negative2.8%

Venbook

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews31 reviews
Positive77.4%
Neutral9.7%
Negative12.9%

Bugs and requests

Estimate Maker Flex

Reported bugs

1 issue
  • App not opening

Requested features

2 requests
  • Add option to get client signature
  • Add signature of the person who made the estimate

Venbook

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Estimate Maker Flex

Subscriptions2
  • 1 Month Subscription$5.991 Month
  • 1 Year Subscription$49.991 Year
2 purchases

Venbook

Subscriptions2
  • PRO Plan$1.991 Month
  • PRO Plan - YEAR$19.991 Year

Questions

Is Estimate Maker Flex free?
Estimate Maker Flex is free to download, with in-app purchases available.
Is Venbook free?
Venbook is free to download, with in-app purchases available.
Which has better reviews, Estimate Maker Flex or Venbook?
Estimate Maker Flex is rated higher. Estimate Maker Flex averages 4.8 out of 5 from 101 ratings, while Venbook averages 4.0 from 1 ratings.
Do Estimate Maker Flex or Venbook have ads?
Neither Estimate Maker Flex nor Venbook shows ads.
Which is updated more often, Estimate Maker Flex or Venbook?
Estimate Maker Flex ships an update every 8 days, and Venbook every 4 days. Most recently, Estimate Maker Flex was updated on October 27, 2026 and Venbook on October 30, 2026.

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