Comparison

Count & Do vs Calto

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

Head to head
About

Count & Do

Features
Read full description

Track important moments with countdowns and day counters β€” from upcoming events to milestones you’ve already passed. Create countdowns to birthdays, trips, deadlines, or holidays. Track how many days have passed since a new job, a habit change, or a personal goal. Stay organized with tags and groups, pin what matters most to your main screen, and focus on one counter at a time in full-screen view. Whether you’re counting down or counting days since β€” everything stays clear, simple, and always visible. Key features β€’ Count down to upcoming events β€’ Track days passed since important moments β€’ Organize counters with tags and groups β€’ Pin hashtags to stay up to date β€’ Open any counter in full-screen view β€’ Add tasks to stay prepared β€’ Clean, distraction-free design

About

Calto

Features
Read full description

A smart calculator that works like math notes. --- Just type "price = 12000" and you're done. Calto is a free smart calculator that lets you write naturally like a math notepad while showing results in real-time. --- Why Calto? Regular calculators just show numbers. But real-life calculations are more complex. - Planning a trip budget and splitting expenses - Converting currencies while budgeting - Calculating tips, discounts, or freelance rates Calto handles all of this naturally, like taking notes. --- Key Features # Variables coffee = 4.50 lunch = 12.00 coffee + lunch = 16.50 Name your numbers. Make calculations meaningful. # Exponent Calculations 2^10 = 1,024 3^3 = 27 Power calculations in one line. # Natural Unit Conversion 10km in mile = 6.21 25C in F = 77 500g in oz = 17.64 100m2 in acre = 0.025 80+ units supported. Length, weight, volume, temperature, time, area, angle. # Live Exchange Rates 100 USD in EUR = 92.50 50 GBP in JPY = 9,375 6 major currencies. Auto-updated every 24 hours. # Mixed Currency Math 100 USD + 50 EUR = $154.25 Different currencies in one calculation. Just works. # Date Calculations today + 30days = 2026-03-04 today + 2weeks = 2026-02-16 Project deadlines, travel dates made easy. # Percent & Tip Calculator 20% of 5000 = 1,000 15% tip on 85 = 12.75 Discounts, tips, split bills. Type what you think. # Crypto Calculator 1 BTC in USD = 97,500 0.5 ETH in EUR = 1,650 Live cryptocurrency rates. Track your crypto portfolio. --- Perfect For - Trip budgeting and expense tracking - Freelancers calculating rates and invoices - Quick tip calculator and bill splitter - Real-time exchange rate conversions - Anyone tired of basic calculators --- Privacy First - Offline Calculator - All calculations stored on device only - Works offline - no internet required for basic math - Only anonymized usage statistics collected (for service improvement) - No account required --- Support Email: iamjw.dev@gmail.com Website: https://calto.iamjw.kr --- Download this free calculator now and experience math notes done right.

Screenshots

Count & Do4 screens
Calto4 screens

Verdict

The call

The clearest difference is update cadence: Calto at every 9 days against Count & Do's every 3 months. Calto also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18). On price, ads and in-app purchases there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

Count & Do ships an update every 3 months, Calto every 9 days. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

Scorecard3 real differences Β· 3 level
Count & Do versus Calto: the parameters behind the verdict, then further details
ParameterCount & DoCalto
PriceFreeFree
Update frequencyEvery 3 monthsEvery 9 days β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, iPod β€” better
Requires iOS1815.6 β€” better
Further details β€” not scored
Size10 MB30 MB
Age rating4+4+
DeveloperVenyamin HulkoJONGWOO PARK

In-app purchases

None

Count & Do

No in-app purchases

None

Calto

No in-app purchases

Questions

Is Count & Do free?
Count & Do is free to download, with no in-app purchases.
Is Calto free?
Calto is free to download, with no in-app purchases.
Do Count & Do or Calto have ads?
Neither Count & Do nor Calto shows ads.
Which is updated more often, Count & Do or Calto?
Count & Do ships an update every 3 months, and Calto every 9 days. Most recently, Count & Do was updated on October 7, 2026 and Calto on October 12, 2026.

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