Comparison

SeeBox vs Instant Cal

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

Head to head
About

SeeBox

Features
Read full description

This is a smart camera mobile App. After connecting to the smart camera via a mobile App, you can watch clear and smooth real-time video at any time. It supports two-way voice, remote PTZ control, video playback, motion detection and alarm push functions. It is suitable for home, Shops, companies, care for the elderly, babies, pets, supervise nanny, employees, smart anti-theft, etc. You can also share your camera with family or friends.

About

Instant Cal

Features
Read full description

See results the moment you type. Instant Calc is an all-in-one calculator that shows results as you enter numbers — no Calculate button needed. Just type and see. 15 Specialized Calculators Finance & Daily Life • Discount Calculator — Instantly calculate sale prices and savings • Loan Calculator — Monthly payment, total interest, full amortization • Savings Calculator — Final balance and after-tax interest • Currency Converter — Real-time rates for 14 currencies Dining & Splitting • Tip Calculator — Split bills with custom tip percentages • Dutch Pay — Divide any bill evenly among any number of people Health • BMI Calculator — Body mass index with health grade (ft/lb or cm/kg) • Age Calculator — Exact age in years, months, days + birthday countdown Unit Conversion • Length, Weight & Temperature converter (imperial ↔ metric) • Fuel Efficiency — MPG and km/L • Unit Price Comparison — Find the better deal instantly • Date Calculator — Days between dates, D-day countdown • Math & Engineering — Expression evaluator, trig, fraction→decimal Key Features 4 Languages — Korean · English · Japanese · Chinese Dark Mode / Light Mode toggle Favorites — Pin your most-used calculators to the top History — Review any past calculation anytime Large Text Mode — Bigger display for comfortable reading Live Exchange Rates — Auto-updated via KEB Hana Bank No sign-up. No clutter. Open the app and start calculating.

Screenshots

SeeBox4 screens
Instant Cal4 screens

Verdict

The call

The clearest difference is ads: SeeBox at none against Instant Cal's shown. SeeBox also leads on iOS requirement (11.0 vs 15.0). Instant Cal's advantage is update cadence (every 2 weeks vs monthly). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SeeBox ships an update monthly, Instant Cal every 2 weeks. The most recent releases landed on October 12, 2026 and October 20, 2026 respectively.

Scorecard3 real differences · 3 level
SeeBox versus Instant Cal: the parameters behind the verdict, then further details
ParameterSeeBoxInstant Cal
PriceFreeFree
Update frequencyMonthlyEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size112 MB31 MB
Age rating12+4+
DeveloperShenzhen Jikeyuan Electronic Technology Co., LTDTaek Oh

In-app purchases

None

SeeBox

No in-app purchases

None

Instant Cal

No in-app purchases

Questions

Is SeeBox free?
SeeBox is free to download, with no in-app purchases.
Is Instant Cal free?
Instant Cal is free to download, with no in-app purchases.
Do SeeBox or Instant Cal have ads?
Instant Cal shows ads; SeeBox does not.
Which is updated more often, SeeBox or Instant Cal?
SeeBox ships an update monthly, and Instant Cal every 2 weeks. Most recently, SeeBox was updated on October 12, 2026 and Instant Cal on October 20, 2026.

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