Comparison

kong calculator vs CalcLog

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

Head to head

simple calculator

History Calculator

About

kong calculator

Features

Read full description

It is a simple calculator that provides a calculation history function.

About

CalcLog

Features

Read full description

CalcLog - A visual calculator that records every step as a receipt tape. [Key Features] - Receipt Tape: Every equation and result stacks vertically for easy review. - Notes: Label any item so you remember what each number was for. - Strikethrough: Swipe to exclude items from the total. - Session Archive: Save calculation sets and reopen them anytime. - Scientific Mode: sin, cos, tan, ln, log and more scientific functions. - Live Grand Total: Running total always visible at the top. - Result Recall: Tap any previous result to load it into your input. - Dark Mode support. - 16 languages supported. - Privacy First: All data stays on your device. No ads, no tracking. [Perfect For] - Grocery shopping price tracking - Comparing quotes in meetings - Simple daily expense logging - Keeping records of engineering calculations Contact: helpdesk@redcandle.co.kr

Screenshots

kong calculator2 screens

CalcLog4 screens

Verdict

The call

The clearest difference is ads: CalcLog at none against kong calculator's shown. kong calculator's advantage is update cadence (every 4 days vs every 3 weeks). On price, in-app purchases, device support 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

kong calculator ships an update every 4 days, CalcLog every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 4 level

kong calculator versus CalcLog: the parameters behind the verdict, then further details
Parameter	kong calculator	CalcLog
Price	Free	Free
Update frequency	Every 4 days — better	Every 3 weeks
Ads	Yes	No — better
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.0	15.0
Further details — not scored
Size	20 MB	50 MB
Age rating	4+	4+
Developer	Changyeol Seo	RedCandle Co.,Ltd.

In-app purchases

None

kong calculator

No in-app purchases

None

CalcLog

No in-app purchases

Questions

Is kong calculator free?

kong calculator is free to download, with no in-app purchases.

Is CalcLog free?

CalcLog is free to download, with no in-app purchases.

Do kong calculator or CalcLog have ads?

kong calculator shows ads; CalcLog does not.

Which is updated more often, kong calculator or CalcLog?

kong calculator ships an update every 4 days, and CalcLog every 3 weeks. Most recently, kong calculator was updated on November 3, 2026 and CalcLog on October 31, 2026.