Comparison

Path & Math vs Castly+

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

Head to head
About

Path & Math

Features
Read full description

■ Description ■ Take picture of any graph, outline data with your finger and get the best fit math formula. After you paint few data points or the whole graph shape with your finger on the canvas grid, the app provides function formula definition and trend line for given data series automatically. App AI uses least squares regression function graphical solver for the best data fit. ■ How to control ■ Just paint data series on the canvas or type data with the keyboard, tap equal button and the artificial intelligence algorithm easily calculates function formula and plots trend line curve on the graph grid. You can also add any image of a graph into the background and outline main data points with your finger. Select from different function types and change function range to see effect of various prediction models on the final math formula and trend line in a graph. ■ Features ■ • Find formula for your math function. • Paint data points with your finger. • Add data to the canvas with the keyboard. • Add any image into the background. • The app features linear, quadratic, cubic, polynomial (up to 20th grad), power and logarithmic regression function models. • Run regression analysis with the simple click and find easily the least squares fit. • Create and share CSV data series with your project. • Use calculated best fit formula in your Excel spreadsheet (just Copy & Paste to your xlsx file). • Obtain RMSE – root mean squared error for each model. ■ For Who ■ Students, teachers, programmers, engineers, data scientists and all other math enthusiasts to demonstrate basic math behind function concepts. For your math homework, SAT, GCSE, A-level, IB exam or prep for university admission test. Improve your knowledge to be well prepared. ■ Do you love mathematics? ■ • Mathematics is amazing and sometimes surprisingly fascinating. • Mathematics is the Queen of Sciences. • Whenever there are Numbers, there is Beauty. • Math is the pure Music of Reasoning. • Math is Fun! Come and Join Us! ■ Just one more thing ■ We're working hard to bring you future FREE updates! Don't forget to rate us on the App Store. Any comments or suggestions are welcome and appreciated. Please feel free to contact us at email: RapojiApp@gmail.com

About

Castly+

This utility app offers a suite of tools for media manipulation and content capture. Extract audio from videos, capture video covers, stitch photos, create emojis, and take long screenshots of web pages. It also supports casting playback addresses to big screen devices.

Highlights
  • Screen casting via AirPlay or Chromecast
  • Extract audio from videos
  • Capture video cover images
  • Stitch multiple photos together
  • Generate custom emojis
  • Take long web page screenshots
Read full description

Get the official Castly+ app on iPhone and iPad. A life tool that not only supports casting - Screencast any playback address, Extract audio from video, Gets video cover, Stitch pictures according to your ideas, Make emoticons according to your ideas. Subscription - Unlimited Cast      - Unlock All Tools      - Never be interrupted by ads      - Stay tuned for more linkage benefits Screencast The screen casting function supports casting a broadcast address to your big screen device on the same Wi-Fi network through airplay mode or Chromecast-compatible devices. Local network access is used only to discover nearby cast-ready devices on your home network. Audio extractor Now you can use the audio extraction function to get the audio you want from your authorized album video. Cover extractor When you watch videos on the Internet, there are always some soul-stirring covers that you want to get but can't get. Now you have a way, that is to use this video cover acquisition module. Long screenshot of the web page When you browse a news or knowledge page, you need to save the information of the entire page, but want to take a screenshot of the entire page at one time, the web page long screenshot function will be your best choice.  Photo stitching When you want to share multiple photos of your life at once on social media, the picture stitching function will help you. Emoji generation Give full play to your imagination and create some funny expressions for your friends. Terms of use:https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://sites.google.com/view/castly2/privacypolicy

Screenshots

Path & Math4 screens
Castly+4 screens

Verdict

The call

The clearest difference is ads: Path & Math at none against Castly+'s shown. Path & Math also leads on update cadence (weekly vs every 2 months). Castly+'s advantage is chart position (#150 vs unranked). On price, in-app purchases, device support and iOS requirement 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. Path & Math sells 4 one-off in-app purchases and Castly+ sells 10 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Path & Math ships an update weekly, Castly+ every 2 months. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 8 level
Path & Math versus Castly+: the parameters behind the verdict, then further details
ParameterPath & MathCastly+
PriceFreeFree
Rating—4.7 (14K ratings) — better
Positive reviews—35.3% of reviews
Number of ratings—14K — better
Update frequencyWeekly — betterEvery 2 months
AdsNo — betterYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
Best chart rank—#150 — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.015.0
Further details — not scored
Size3 MB30 MB
Age rating4+4+
DeveloperViliam KovacHONGKONG BLUE WHALE AND OCEAN TECHNOLOGY CO., LIMITED

Bugs and requests

Path & Math

Not enough reviews yet to summarise bugs or requests.

Castly+

Reported bugs

4 issues
  • Casting stops midway through content
  • App closes unexpectedly
  • Subscription not working as intended
  • Ads still present despite paid subscription

Requested features

4 requests
  • Fix casting issues
  • Improve stability and reliability
  • Ensure subscription benefits work as advertised
  • Provide better customer support

In-app purchases

4 purchases

Path & Math

One-time4
  • Tip creators 1$0.99
  • Tip creators 2$1.99
  • Tip creators 3$2.99
Show 1 more
  • Tip creators 4$3.99
10 purchases

Castly+

Subscriptions10
  • Weekly tool subscription$1.997 Days
  • Castly Premium-Weekly$2.997 Days
  • Weekly for family$3.997 Days
Show 7 more
  • Free trial tool monthly1 Month trial$4.991 Month
  • Remove interstitial ad monthly1 Month trial$4.991 Month
  • Monthly tool subscription1 Month trial$4.991 Month
  • Castly Premium-Monthly1 Month trial$6.991 Month
  • Monthly for family1 Month trial$9.991 Month
  • Annually tool subscription$29.991 Year
  • Castly Premium-Yearly$39.991 Year

Questions

Is Path & Math free?
Path & Math is free to download, with in-app purchases available.
Is Castly+ free?
Castly+ is free to download, with in-app purchases available.
Do Path & Math or Castly+ have ads?
Castly+ shows ads; Path & Math does not.
Which is updated more often, Path & Math or Castly+?
Path & Math ships an update weekly, and Castly+ every 2 months. Most recently, Path & Math was updated on October 27, 2026 and Castly+ on November 3, 2026.

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