Comparison

gDrawLite vs Find Prime Num

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

Head to head
About

gDrawLite

Read full description

Move! Move! It moves! You can draw and move your graphs! Setting invariables in the formula and changing the value, you can move your graphs freely! AMAZINGLY MANY KINDS OF GRAPHS! You can draw many kinds of graphs by setting function such as y=f(x), x=f(y), x=f(t) and y=g(t), f(x,y)=0, pole equation. (In the Lite version, we support only "y=f(x)" and command "Line") MOVE GRAPHS! This is the greatest feature of this app! We prepared "m" as an invariable. You can change the value continuously and see the graph moving. Using this feature, you can see many interesting moves, such as simple oscillation, cycloid curve, synthesis of waves. ORIGINAL KEYBOARD! We prepared the original keyboard specialized for mathematical formulas. You can type mathematical formulas very easily. SEE MANY GRAPHS SIMULTANEOUSLY! You can set unlimited number of graphs and see them simultaneously. VERY CONVENIENT TOOL "com". By using this, you can draw line segments, circles, points and texts very easily. For example, you can draw a line segments by setting the starting point and the end point. MANY INTERESTING SAMPLES! You can load many interesting samples from “Load SampleCom”. They are not only interesting, but also help you to master this app. TAKE A PHOTO OF YOUR GRAPH! You easily take a photo of your graph by pushing “photo button”.

About

Find Prime Num

Quickly determine if a number is prime and find one of its factors. This app also measures calculation time to help you benchmark your device's processing speed. Share your results and compare performance with others.

Highlights
  • Calculate prime numbers up to 64-bit integers
  • Measure processing time for device speed comparison
  • Find one factor of a non-prime number
  • Share calculation results
  • User-friendly interface
Features
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Do you want to find out if a number if a prime number? Are you constantly spending hours to calculate if a long number is prime? If the answer is yes for any of these questions, you should download "Find Prime Num" app. "Find Prime Num" allows you to find out if a number is a prime or not. It will also give you a factor of this number. In addition, it will tell you how long it takes for the app to calculate, which indicates how fast your device is. You can use this value to test your device's processing speed against other devices. "Find Prime Num" is an app for you to find out if your number is prime. It can be used on iPhone, iPod Touch and iPad. It is simple, easy to use, and very informative. You can share your results with others as well. Main Features ◉ Calculate prime number up to 64-bit integer ◉ Calculate the processing time, an indicator of the speed of the CPU of your device ◉ Calculate one factor of your number if it isn't a prime ◉ Share your results with others to see whose devices are faster ◉ User-friendly interface

Screenshots

gDrawLite4 screens
Find Prime Num4 screens

Verdict

The call

The clearest difference is update cadence: Find Prime Num at every 4 days against gDrawLite's every 10 months. gDrawLite's advantage is iOS requirement (8.0 vs 12.0). 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

gDrawLite ships an update every 10 months, Find Prime Num every 4 days. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.

Scorecard2 real differences · 8 level
gDrawLite versus Find Prime Num: the parameters behind the verdict, then further details
ParametergDrawLiteFind Prime Num
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—50.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 10 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS8.0 — better12.0
Further details — not scored
Size5 MB8 MB
Age rating4+4+
DeveloperJirou FukudaDuo Pisceses, Inc.

In-app purchases

None

gDrawLite

No in-app purchases

None

Find Prime Num

No in-app purchases

Questions

Is gDrawLite free?
gDrawLite is free to download, with no in-app purchases.
Is Find Prime Num free?
Find Prime Num is free to download, with no in-app purchases.
Do gDrawLite or Find Prime Num have ads?
Neither gDrawLite nor Find Prime Num shows ads.
Which is updated more often, gDrawLite or Find Prime Num?
gDrawLite ships an update every 10 months, and Find Prime Num every 4 days. Most recently, gDrawLite was updated on October 21, 2026 and Find Prime Num on October 14, 2026.

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