Comparison

Weekstack vs The Calculator

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

Head to head
About

Weekstack

This minimalist weekly planner helps you organize your tasks and goals for the week. Its simple interface focuses on getting things done efficiently. Plan your schedule and track your progress with ease.

Highlights
  • Minimalist design
  • Weekly planning
  • Task organization
  • Goal tracking
  • Simple interface
Features
Read full description

The original minimalist weekly planner.

About

The Calculator

This app combines a powerful calculator with a note-taking feature, allowing you to document calculations as you perform them. It also offers unit and currency conversions, with customizable appearance and settings.

Highlights
  • Integrated notepad for documenting calculations
  • Unit and currency conversion
  • Basic, scientific, and conversion calculators
  • Customizable appearance (light, dark, black)
  • Adjustable number formats and decimal places
  • History with attachable notes
Features
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How many steps does it take to work out a bill? Open the calculator, get a number, write it down somewhere, come back, forget where you were. The notepad lets you write the whole thing as text — every line worked out as you type it: rent = 1200 utilities = 85 rent + utilities 1285 Name your values and reuse them. It reads plain English too: 20 ml in tsp 100 USD in EUR 20% off 80 Also good for - Travelling — convert as you go, the whole day's spending on one page - Cooking — cups, ounces, Fahrenheit, all converted in one place - Estimating materials — add up three walls, divide by coverage per tin - Quoting work — change one number, everything recalculates Three more calculators - Basic — large type, generous spacing, your working shown as you build it - Scientific — trigonometry, logarithms, powers and roots, 2nd key cycles four layers - Convert — 123 units across 15 categories, currency rates update automatically Things you can adjust - Number format — comma, period, space, apostrophe, or none - Decimal places — full precision, or fixed to a number you choose - Appearance — light, dark, true black, or follow the system - Startup page — pick which one opens when you launch the app - Haptics — tune the strength or switch it off Also inside - History, with notes you can attach - Control Centre button for one-tap access - Available in many languages, with unit names and keywords in each Built on minimalist principles Clean design, smooth interaction, no noise — only what actually matters. The Calculator is free to use. Convert and Notepad are Premium features. Terms of Use: https://www.minlsm.com/terms Privacy Policy: https://www.minlsm.com/privacy

Screenshots

Weekstack3 screens
The Calculator4 screens

Verdict

The call

The clearest difference is rating: The Calculator at 5.0 against Weekstack's 3.3. The Calculator also leads on iOS requirement (16.6 vs 18.2). Weekstack's advantage is in-app purchases (none vs 3) and ratings volume (27 vs 1). On price, ads 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. The Calculator sells 3 in-app purchases, starting at $4.99 per month. Weekstack asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

The Calculator holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: Weekstack has 27 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Weekstack ships an update every 3 days, The Calculator every 6 days. Both last shipped on October 24, 2026.

Scorecard6 real differences · 4 level
Weekstack versus The Calculator: the parameters behind the verdict, then further details
ParameterWeekstackThe Calculator
PriceFreeFree
Rating3.3 (27 ratings)5.0 (1 ratings) — better
Positive reviews80.0% of reviews—
Number of ratings27 — better1
Update frequencyEvery 3 days — betterEvery 6 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad — betteriPhone
Requires iOS18.216.6 — better
Further details — not scored
Size0 MB17 MB
Age rating4+4+
DeveloperZikurat Technologies, Inc.YiDe Liu

Customer experience

Weekstack

All ratings7 ratings
Positive85.7%
Neutral14.3%
Negative0.0%
Written reviews10 reviews
Positive80.0%
Neutral10.0%
Negative10.0%

The Calculator

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Weekstack

No in-app purchases

3 purchases

The Calculator

Subscriptions2
  • Premium$4.991 Month
  • Premium$29.991 Year
One-time1
  • Premium$9.99

Questions

Is Weekstack free?
Weekstack is free to download, with no in-app purchases.
Is The Calculator free?
The Calculator is free to download, with in-app purchases available.
Which has better reviews, Weekstack or The Calculator?
The Calculator is rated higher. Weekstack averages 3.3 out of 5 from 27 ratings, while The Calculator averages 5.0 from 1 ratings.
Do Weekstack or The Calculator have ads?
Neither Weekstack nor The Calculator shows ads.
Which is updated more often, Weekstack or The Calculator?
Weekstack ships an update every 3 days, and The Calculator every 6 days. Most recently, Weekstack was updated on October 24, 2026 and The Calculator on October 24, 2026.

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