Comparison

Calculator· vs Todokubin

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

Head to head
About

Calculator·

This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.

Highlights
  • Basic arithmetic operations
  • Percentage calculations
  • Multiple color schemes
  • Copy results
  • Square, square root, inverse functions
  • iPad Split View support
  • Apple Watch support
Features
Read full description

A truly no-frills calculator with the perfect blend of features and simplicity. Tired of getting lost in features you don’t use, but wish you had just a few more? Try Calculator· today! Features: • The essentials—add, subtract, multiply, divide, percent • Multiple color schemes • Copy your result (double tap result to copy) • Square, square root, and inverse functions on iPad landscape • Split View for iPad so you can run two apps at once • Apple Watch Support This app contains auto-renewable subscriptions: • Premium Access • 1 month and 1 year durations available​ Limit one free trial per user. Charged through your iTunes account at confirmation of purchase. Your account will be charged within 24-hours prior to the end of the current period. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. You can manage your subscriptions and turn off auto-renewal from your Account Settings in iTunes after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that product, where applicable. • Privacy policy: https://www.iubenda.com/privacy-policy/905866 • Terms of use: http://www.timosstudios.com/terms-of-use You can follow the instructions on our website to change or cancel your subscription: http://www.timosstudios.com/how-to-cancel-subscription-on-ios

About

Todokubin

Features
Read full description

Todokubin transfers photos, videos, and files directly from your iPhone to a computer on the same Wi-Fi network. After the computer confirms that the files were saved, you can choose whether to delete the transferred photos from your iPhone and free up space. You do not need to install an app on the computer, connect a cable, use cloud storage, or create an account. Select what you want to send on iPhone, enter the short address and four-digit code in the computer's browser, then download the original files individually or together as a ZIP file. It works with Windows, Mac, Chromebook, and other computers with a browser. Main features: • Photos, videos, and files • Direct transfer over the same Wi-Fi network • Files are not uploaded to cloud storage or external servers • No registration, sign-in, or cable • Individual downloads or one ZIP file • Deleting from Photos is always your choice and never automatic The iPhone and receiving computer must be connected to the same Wi-Fi network. Keep the transfer screen open on iPhone until the download finishes.

Screenshots

Calculator·4 screens
Todokubin4 screens

Verdict

The call

The clearest difference is in-app purchases: Todokubin at none against Calculator·'s 3. Todokubin also leads on ads (none vs shown) and update cadence (every 3 days vs every 3 months). Calculator·'s advantage is device support (4 vs 2). On price 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. Calculator· sells 3 in-app purchases, starting at $0.99 per month. Todokubin asks for nothing beyond the download.

UpkeepUpdate frequency

Calculator· ships an update every 3 months, Todokubin every 3 days. The most recent releases landed on October 31, 2026 and October 13, 2026 respectively.

Scorecard4 real differences · 6 level
Calculator· versus Todokubin: the parameters behind the verdict, then further details
ParameterCalculator·Todokubin
PriceFreeFree
Rating4.9 (34K ratings) — better—
Positive reviews84.3% of reviews—
Number of ratings34K — better—
Update frequencyEvery 3 monthsEvery 3 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size47 MB19 MB
Age rating4+4+
DeveloperTim O's Studios, LLCKEN KUDO

Bugs and requests

Calculator·

Reported bugs

3 issues
  • Crashes when performing long calculations
  • Freezes when opening the app
  • Incorrect results for some complex calculations

Requested features

4 requests
  • Add a backspace/undo button
  • Implement a history/memory feature
  • Provide more customization options
  • Reduce frequency of ads

Todokubin

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Calculator·

Subscriptions2
  • Upgrade App3 Days trial$0.991 Month
  • Upgrade App$4.991 Year
One-time1
  • Upgrade App$1.99
None

Todokubin

No in-app purchases

Questions

Is Calculator· free?
Calculator· is free to download, with in-app purchases available.
Is Todokubin free?
Todokubin is free to download, with no in-app purchases.
Do Calculator· or Todokubin have ads?
Calculator· shows ads; Todokubin does not.
Which is updated more often, Calculator· or Todokubin?
Calculator· ships an update every 3 months, and Todokubin every 3 days. Most recently, Calculator· was updated on October 31, 2026 and Todokubin on October 13, 2026.

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