Comparison

Formudrag vs Mumu Calculator

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

Head to head
About

Formudrag

Read full description

Formudrag helps you build, edit, and organize math formulae with drag-and-drop LaTeX tools. Start from built-in templates or your own saved components, replace exact structures directly, and keep a scratchpad nearby while refining the main formula. Use it for class notes, assignments, research drafts, teaching materials, and other academic workflows that need faster formula editing without losing structural control. End User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Mumu Calculator

This app allows you to edit past calculations, making it easy to correct mistakes or continue complex math problems. It offers features like adding notes, tracking subtotals, and saving archives for organized financial management and everyday use.

Highlights
  • Edit past calculations with precise cursor placement
  • Add notes to calculation groups
  • Track subtotals
  • Save and reopen calculation archives
  • Restore deleted records
  • Copy selected records
Read full description

Mumu Calculator helps you continue calculations instead of starting over. Tap any past calculation to bring it back into the editor, place the cursor exactly where you want, and keep calculating. Add notes, track subtotals, save archives, restore deleted records, and keep long calculations organized for shopping, budgeting, and everyday math. Key Features • Tap any history entry to restore it to the editor • Edit expressions with precise cursor placement • Add notes to calculation groups • Track subtotals for longer calculation sessions • Save and reopen archives anytime • Restore deleted records from Recycle Bin • Copy selected records • Optional key click sounds • Voice Readout available with Pro Great for • shopping totals • household budgets • expense calculations • receipt math • daily calculations that need revision Pro Features • History Sorting • Batch Delete • Voice Readout • Ongoing feature updates

Screenshots

Formudrag4 screens
Mumu Calculator4 screens

Verdict

The call

The clearest difference is ads: Formudrag at none against Mumu Calculator's shown. Formudrag also leads on device support (4 vs 2). Mumu Calculator's advantage is update cadence (every 3 weeks vs every 2 months). On price, in-app purchases 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. Formudrag sells 5 in-app purchases, starting at $2.99 per month and Mumu Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Formudrag ships an update every 2 months, Mumu Calculator every 3 weeks. The most recent releases landed on September 8, 2026 and August 29, 2026 respectively.

Scorecard3 real differences · 6 level
Formudrag versus Mumu Calculator: the parameters behind the verdict, then further details
ParameterFormudragMumu Calculator
PriceFreeFree
Rating5.0 (1 ratings) — better
Number of ratings1 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size94 MB10 MB
Age rating4+4+
Developer欣 王楠 李

In-app purchases

5 purchases

Formudrag

Subscriptions2
  • Monthly7 Days trial$2.991 Month
  • Annual7 Days trial$19.991 Year
One-time3
  • Lifetime$29.99
  • Lifetime$39.99
  • Lifetime$59.99
1 purchases

Mumu Calculator

One-time1
  • Lifetime Pro$2.99

Questions

Is Formudrag free?
Formudrag is free to download, with in-app purchases available.
Is Mumu Calculator free?
Mumu Calculator is free to download, with in-app purchases available.
Do Formudrag or Mumu Calculator have ads?
Mumu Calculator shows ads; Formudrag does not.
Which is updated more often, Formudrag or Mumu Calculator?
Formudrag ships an update every 2 months, and Mumu Calculator every 3 weeks. Most recently, Formudrag was updated on September 8, 2026 and Mumu Calculator on August 29, 2026.

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