Comparison

6F vs MarkMaster

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

Head to head
About

6F

This tool combines photo editing, annotation, and illustration capabilities into a single application. It offers precise markup and drawing features, similar to desktop software, using a virtual mouse for accuracy. Create professional designs, posters, and illustrations with ease.

Highlights
  • Accurate photo markup and annotation
  • Virtual mouse for precise control
  • Complex typesetting and poster design
  • Vector shape drawing and illustration
  • Create charts and graphics
Features
Read full description

It’s every photo app, annotate app, markup & design app, illustrate app you’ve ever needed, wanted, or dreamed of - combined into one powerful tool.For the first time, people can use “Mouse” on mobile to do accurate annotation&markup & illustrate jobs, just as work on PC or Mac . Why is the Virtual Mouse must-need ? In the traditional finger touch drawing , the finger covered a large area makes you unable to locate accurately . Using the Virtual Mouse , you can work precisely and intuitively. ●Features ( many are free, some are unlocked with purchases ): - Easily to accurately markup & annotate pictures( such as the dimension lines ,texts , shapes etc). - Easily to make complex typesetting , professional poster , PPT , charts , graphics . - Easily to draw vector shapes , illustration and cartoon . 6F is a powerful markup photo tool and illustrate tool. It markup or annotate the photo with various shapes. Any time, just take a photo and markup or annotate it! Make every picture annotable. standard Apple Terms of Use (EULA)https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

MarkMaster

Easily save and share measurements directly on your photos. Perfect for construction, interior design, or any situation where you need to record dimensions and details.

Highlights
  • Draw measures on photos
  • Add text comments
  • Zoom for precision
  • Edit measures intuitively
  • Organize photos by category
  • Export as JPG or ZIP
Features
Read full description

MarkMaster is the most easiest way to save measures on your own photos on iPhone and iPad! Constructing a house,Engineering a new project,Moving to a new place?You can take some photos and note down the dimensions on the photos to remember the exact layout, and to make sure that everything will fit easily. Just take a photo and quickly write them on it. You can keep in mind the exact dimensions of an object! If you want to decorate.Want to buy a new frame or a new furniture but not sure it will fit.You can have all your house dimensions always with you! If you are a real estate agent,a ontractor,an engineer,an esigner,or working in the construction industry. Everywhere you need to save dimensions, sizes, angles or write down a detail you need to remember, Photo Measures will help you to be more efficient and more accurate. Mrakmaster helps you to: *Take a photo and directly draw measures on it *Quickly add text as comments *Zoom into and out of your photo when you need more precision *Edit your measures with a very intuitive interface * Easily organize your photos by category * Export as JPG or ZIP ---Premium Features--- Expanded cloud storage (5GB+) Ad-free experience Feature request priority Advanced export options Subscription Details Billed via iTunes account Monthly/annual auto-renewal (cancel 24hrs before cycle ends) Manage/cancel through iTunes Account Settings Immediate access post-payment ---Legal Information--- Terms of Use: https://www.markmaster.top/agreement/user_en.html Privacy Policy: https://www.markmaster.top/agreement/privacy_en.html We Value Your Feedback Help us improve! Rate us on the App Store or contact support@markmaster.top

Screenshots

6F4 screens
MarkMaster4 screens

Verdict

The call

The clearest difference is rating: 6F at 4.0 against MarkMaster's 3.0. 6F also leads on update cadence (weekly vs every 3 weeks) and ratings volume (16 vs 2). MarkMaster's advantage is review sentiment (100% vs 84%). On price, ads, in-app purchases and monetization model 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. 6F sells 2 in-app purchases, starting at $2.49 per month and MarkMaster sells 4 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

6F holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: 6F has 16 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 84% of 6F's written reviews are positive against 100% of MarkMaster's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

6F ships an update weekly, MarkMaster every 3 weeks. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

Scorecard4 real differences · 6 level
6F versus MarkMaster: the parameters behind the verdict, then further details
Parameter6FMarkMaster
PriceFreeFree
Rating4.0 (16 ratings) — better3.0 (2 ratings)
Positive reviews83.8% of reviews100.0% of reviews — better
Number of ratings16 — better2
Update frequencyWeekly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.014.0
Further details — not scored
Size135 MB125 MB
Age rating4+4+
Developer五四 徐静静 段

Customer experience

6F

All ratings16 ratings
Positive75.0%
Neutral6.3%
Negative18.8%
Written reviews37 reviews
Positive83.8%
Neutral5.4%
Negative10.8%

MarkMaster

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews31 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

6F

Subscriptions1
  • 6F Master$2.491 Month
One-time1
  • Upgrade to Pro$2.99
4 purchases

MarkMaster

Subscriptions2
  • Premium Account(1 Month)$9.991 Month
  • Premium Account(1 Year)7 Days trial$34.991 Year
One-time2
  • One Month Gold$6.99
  • One Year Gold$44.99

Questions

Is 6F free?
6F is free to download, with in-app purchases available.
Is MarkMaster free?
MarkMaster is free to download, with in-app purchases available.
Which has better reviews, 6F or MarkMaster?
6F is rated higher. 6F averages 4.0 out of 5 from 16 ratings, while MarkMaster averages 3.0 from 2 ratings.
Do 6F or MarkMaster have ads?
Neither 6F nor MarkMaster shows ads.
Which is updated more often, 6F or MarkMaster?
6F ships an update weekly, and MarkMaster every 3 weeks. Most recently, 6F was updated on September 22, 2026 and MarkMaster on September 23, 2026.

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