Comparison

Dollar Bill Origami vs Unit Circle Calculator PRO

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

Head to head
About

Dollar Bill Origami

Discover the art of folding currency into unique shapes. This app provides step-by-step visual guides for creating impressive money origami designs, perfect for gifts, tips, or entertainment.

Highlights
  • 20 origami shapes
  • Step-by-step instructions
  • High-quality photos
  • Visual folding guide
  • Easy-to-use interface
Features
Read full description

Dollar Origami teaches you to craft beautiful shapes using only a dollar bill. Fold bills to create a memorable cash gift, leave someone a very special tip, or to entertain your friends. A bill worth only dollar suddenly becomes a priceless artistic creation! All 20 origami designs include detailed, step-by-step instructions and high-quality photos of the finished product. Each type of origami fold is shown in a precise, visual guidebook included right in the app. TOP DOLLAR • 20 shapes including shirt, gondola, flower, heart, and more • High quality instructions, diagrams, and photos • Easy-to-use, polished user interface START FOLDING • Step-by-step instructions for each origami masterpiece • Folding guide and techniques included • Designed for beginner and intermediate origami enthusiasts Have questions or need some help? Contact us at info@oribot.com Website: http://oribot.com

About

Unit Circle Calculator PRO

Visualize and understand the unit circle with step-by-step calculations, diagrams, and animations. Supports various input formats including negative values, decimals, fractions, and pi. Save, share, and revisit past calculations.

Highlights
  • Unit circle visualization
  • Step-by-step calculation
  • Diagrams and animations
  • Supports negative values, decimals, fractions, and π
  • Calculation history
  • Shareable solutions
Features
Read full description

The unit circle is visualized and explained with calculation steps, diagrams and animations. Enter the radian or the angle α to calculate the results. Negative values, decimals, fractions and π are supported. The solution is displayed step by step. All calculations are saved in the history. The solution can be shared. [ Contents] - all important quantities for the unit circle - results are also calculated as π-value - animation to show the angle α - diagrams for sine and cosine - history function to save the input - detailed solution - negative values, decimal numbers, fractions and π are supported - no ads! [ Usage ] - there are fields for entering values using a special keyboard - press the check mark button at the bottom right to start the calculation - if values are missing, all fields will be marked orange - if the values are wrong, the affected field will be highlighted red - the entries in the history can be deleted or sorted - if you select an entry in the history, it will be automatically loaded for the calculation - the whole history can be deleted by pressing a button - solutions can be shared

Screenshots

Dollar Bill Origami4 screens
Unit Circle Calculator PRO4 screens

Verdict

The call

The clearest difference is monetization model: Dollar Bill Origami at free against Unit Circle Calculator PRO's paid. Dollar Bill Origami also leads on ratings volume (309 vs 25) and iOS requirement (12.0 vs 15.0). Unit Circle Calculator PRO's advantage is review sentiment (100% vs 64%) and update cadence (monthly vs every 7 months). On price, ads, in-app purchases 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

Dollar Bill Origami costs $1.99 and Unit Circle Calculator PRO $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Unit Circle Calculator PRO holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Dollar Bill Origami has 309 ratings behind it against 25, so its average is the more settled of the two. Written reviews point the same way: 64% of Dollar Bill Origami's written reviews are positive against 100% of Unit Circle Calculator PRO's.

UpkeepUpdate frequency

Dollar Bill Origami ships an update every 7 months, Unit Circle Calculator PRO monthly. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

Scorecard6 real differences · 4 level
Dollar Bill Origami versus Unit Circle Calculator PRO: the parameters behind the verdict, then further details
ParameterDollar Bill OrigamiUnit Circle Calculator PRO
Price$1.99$1.99
Rating4.5 (309 ratings)4.7 (25 ratings) — better
Positive reviews63.6% of reviews100.0% of reviews — better
Number of ratings309 — better25
Update frequencyEvery 7 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size24 MB181 MB
Age rating4+4+
DeveloperAndreas BauerGlindemann, Sennoun, Langer GbR

Customer experience

Dollar Bill Origami

All ratings308 ratings
Positive89.0%
Neutral1.9%
Negative9.1%
Written reviews22 reviews
Positive63.6%
Neutral9.1%
Negative27.3%

Unit Circle Calculator PRO

All ratings25 ratings
Positive92.0%
Neutral0.0%
Negative8.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Dollar Bill Origami

Requested features

5 requests
  • Add video tutorials
  • Include dollar bill origami ring
  • Add more creations
  • Include origami for a Penguin
  • More advanced designs

Unit Circle Calculator PRO

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Dollar Bill Origami

No in-app purchases

None

Unit Circle Calculator PRO

No in-app purchases

Questions

Is Dollar Bill Origami free?
Dollar Bill Origami costs $1.99, with no in-app purchases.
Is Unit Circle Calculator PRO free?
Unit Circle Calculator PRO costs $1.99, with no in-app purchases.
Which has better reviews, Dollar Bill Origami or Unit Circle Calculator PRO?
Unit Circle Calculator PRO is rated higher. Dollar Bill Origami averages 4.5 out of 5 from 309 ratings, while Unit Circle Calculator PRO averages 4.7 from 25 ratings.
Do Dollar Bill Origami or Unit Circle Calculator PRO have ads?
Neither Dollar Bill Origami nor Unit Circle Calculator PRO shows ads.
Which is updated more often, Dollar Bill Origami or Unit Circle Calculator PRO?
Dollar Bill Origami ships an update every 7 months, and Unit Circle Calculator PRO monthly. Most recently, Dollar Bill Origami was updated on November 1, 2026 and Unit Circle Calculator PRO on November 7, 2026.

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