Comparison

Matrix math calculator vs Num37

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

Head to head
About

Matrix math calculator

Perform various matrix operations including addition, subtraction, and multiplication. Calculate the transposed matrix, adjoint, inverse, determinant, and rank. Supports matrices of any size (MxN).

Highlights
  • Matrix Addition
  • Matrix Subtraction
  • Matrix Multiplication
  • Transposed Matrix
  • Adjoint Matrix
  • Inverse Matrix
  • Determinant Calculation
  • Rank Calculation
Features
Read full description

A spectacular application in which you can do operations with matrices, such as Addition, Subtraction and Multiplication. In addition you can also find the Transposed matrix, Adjoint matrix, Inverse matrix, Determinant and Rank of a matrix. (MxN)

About

Num37

Features
Read full description

Num3 : 0~999のランダムな値を、5個表示します。 Num4 : 0~9999のランダムな値を、5個表示します。 Num5 : 1~31のランダムな値を、5×5個表示します。 Num6 : 1~43のランダムな値を、6×5個表示します。 Num7 : 1~37のランダムな値を、7×5個表示します。 ReSetをタップすると値が変わります。 数字をタップすると、その行の数字が青くなり、キープ状態になります。 キープされた行の数字は、ReSetをタップしても数字が変わりません。 キープれた行の数字を、もう1度タップするとキープ状態が解除されます。 「S」をタップすると、キープした行がSaveされます。 「L」をタップすると、Saveした内容がLoadされます。 Savaした時に、キープされていなかった行は、全て0となります。 「W」をタップすると、Webブラウザが起動して、当選番号を確認できる「みずほ銀行」のWebサイトが表示されます。 ※各機能を使用するには、個別に購入が必要です。

Screenshots

Matrix math calculator4 screens
Num374 screens

Verdict

The call

The clearest difference is in-app purchases: Matrix math calculator at none against Num37's 5. Matrix math calculator also leads on update cadence (every 3 months vs every 43 months). On price, ads, 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. Num37 sells 5 one-off in-app purchases. Matrix math calculator asks for nothing beyond the download.

UpkeepUpdate frequency

Matrix math calculator ships an update every 3 months, Num37 every 43 months. Both last shipped on October 25, 2026.

Scorecard2 real differences · 8 level
Matrix math calculator versus Num37: the parameters behind the verdict, then further details
ParameterMatrix math calculatorNum37
PriceFreeFree
Rating1.5 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 months — betterEvery 43 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size52 MB8 MB
Age rating4+4+
Developercamilo arcilaSinji Sato

In-app purchases

None

Matrix math calculator

No in-app purchases

5 purchases

Num37

One-time5
  • Num3$1.99
  • Num4$1.99
  • Num5$1.99
Show 2 more
  • Num7$1.99
  • Num6$1.99

Questions

Is Matrix math calculator free?
Matrix math calculator is free to download, with no in-app purchases.
Is Num37 free?
Num37 is free to download, with in-app purchases available.
Do Matrix math calculator or Num37 have ads?
Neither Matrix math calculator nor Num37 shows ads.
Which is updated more often, Matrix math calculator or Num37?
Matrix math calculator ships an update every 3 months, and Num37 every 43 months. Most recently, Matrix math calculator was updated on October 25, 2026 and Num37 on October 25, 2026.

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