Comparison

TimeKeeper vs OZ viewer

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

Head to head
About

TimeKeeper

This app provides a smart attendance management solution for the contactless era, offering flexible work arrangements and easy management of remote workers. It ensures compliance with labor laws and allows for simple application and inquiry of work-related matters via mobile or PC.

Highlights
  • 7 flexible work systems
  • Remote worker management
  • Government-certified location tracking
  • Easy work process applications
  • Mobile and PC compatibility
  • Excel report generation
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ํƒ€์ž„ํ‚คํผ - ์–ธํƒํŠธ ์‹œ๋Œ€ ์Šค๋งˆํŠธ ์›Œํฌ๋ฅผ ์‹คํ˜„ํ•˜๊ธฐ ์œ„ํ•œ ์ตœ๊ณ ์˜ ๊ทผํƒœ๊ด€๋ฆฌ ์†”๋ฃจ์…˜์ž…๋‹ˆ๋‹ค. ํƒ€์ž„ํ‚คํผ์™€ ํ•จ๊ป˜ ํšจ์œจ์ ์ธ ๊ทผํƒœ๊ด€๋ฆฌ๋ฅผ ์‹œ์ž‘ํ•ด๋ณด์„ธ์š”! ์ฃผ์š” ๊ธฐ๋Šฅ: โ–ฃ ์–ด๋А ๊ทผ๋ฌด ์œ ํ˜•์—๋„ ์ ์šฉ ๊ฐ€๋Šฅํ•œ 7๊ฐ€์ง€ ์œ ์—ฐ๊ทผ๋ฌด์ œ ๊ทผ๋กœ๊ธฐ์ค€๋ฒ•์„ ์ค€์ˆ˜ํ•˜๋Š” 7๊ฐ€์ง€ ์œ ์—ฐ๊ทผ๋ฌด์ œ( ์‹œ์ฐจ์ถœํ‡ด๊ทผ์ œ, ์„ ํƒ๊ทผ๋ฌด์ œ, ํƒ„๋ ฅ๊ทผ๋ฌด์ œ, ๊ฐ„์ฃผ๊ทผ๋กœ์ œ, ์žฌํƒ๊ทผ๋ฌด์ œ, ๊ต๋Œ€๊ทผ๋ฌด์ œ, ์ž์œจ์ถœํ‡ด๊ทผ์ œ)์— ๋Œ€ํ•œ ์œ ์—ฐํ•œ ๊ด€๋ฆฌ๊ฐ€ ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค. ์–ธํƒํŠธ ์‹œ๋Œ€์— ํ™œ์šฉ ๊ฐ€๋Šฅํ•œ ์žฌํƒ๊ทผ๋ฌด์ž ๊ด€๋ฆฌ๊นŒ์ง€! ์†์‰ฝ๊ฒŒ ๊ด€๋ฆฌ ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. โ–ฃ ์ •๋ถ€๋กœ ๋ถ€ํ„ฐ ์ธ์ฆ๋ฐ›์€ ์œ„์น˜์ •๋ณด ๊ด€๋ฆฌ ํƒ€์ž„ํ‚คํผ๋Š” ๋ฐฉ์†กํ†ต์‹ ์œ„์›ํšŒ๋กœ ๋ถ€ํ„ฐ ์ธ์ฆ๋ฐ›์€ ์•ฑ์œผ๋กœ์จ ๋ชจ๋ฐ”์ผ ์•ฑ์œผ๋กœ ์ถœํ‡ด๊ทผ ๊ด€๋ฆฌ ๋ฐ ์™ธ๊ทผ์ง€ ์ •๋ณด๋ฅผ ๊ด€๋ฆฌ ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. (๋ฐฉ์†กํ†ต์‹  ์œ„์›ํšŒ์˜ ์œ„์น˜์ •๋ณด๋ฒ• ์‹œํ–‰๋ น์„ ์ค€์ˆ˜ํ•˜๋ฉฐ ๋ถˆ๋ฒ•์ ์ธ ์ •๋ณด ์ˆ˜์ง‘์„ ํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.) โ–ฃ ๊ฐ„ํŽธํ•œ ์—…๋ฌด ํ”„๋กœ์„ธ์Šค ์–ธ์ œ ์–ด๋””์„œ๋‚˜ ๋ชจ๋ฐ”์ผ๋กœ ๊ฐ„ํŽธํ•˜๊ฒŒ ๊ทผ๋ฌด๊ด€๋ จ ์‚ฌํ•ญ(์—ฐ์žฅ๊ทผ๋กœ, ํœด๊ฐ€, ์ถœ์žฅ, ์™ธ๊ทผ)์„ ์‹ ์ฒญํ•˜๊ณ  ๊ทผ๋กœ ๋‚ด์—ญ์„ ์กฐํšŒํ• ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. โ–ฃ ๋ชจ๋ฐ”์ผ ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ PCํ™˜๊ฒฝ์—์„œ๋„ ํ™œ์šฉ๊ฐ€๋Šฅ ๋ชจ๋ฐ”์ผ ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ PC์‚ฌ์šฉ ๊นŒ์ง€ ๊ด€๋ฆฌ๊ฐ€ ๊ฐ€๋Šฅํ•˜๋ฉฐ ๊ทผ๋ฌด ๋ฆฌํฌํŠธ๋ฅผ ์—‘์…€ ํ˜•์‹์œผ๋กœ ๊ด€๋ฆฌ๊ฐ€ ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค.(*Windows, Mac OS ์ง€์›) ํƒ€์ž„ํ‚คํผ๋Š” ๋‹ค์–‘ํ•œ ๊ทผ๋กœ์ œ๋ฅผ ํ†ตํ•˜์—ฌ ๊ทผ๋กœ์‹œ๊ฐ„์„ ํšจ์œจ์ ์œผ๋กœ ๊ด€๋ฆฌํ•ฉ๋‹ˆ๋‹ค. ํƒ€์ž„ํ‚คํผ ์›น์‚ฌ์ดํŠธ์—์„œ ์„ธ๋ถ€์ ์ธ ๋‚ด์šฉ์„ ํ™•์ธ ํ•˜์„ธ์š”.

About

OZ viewer

Features
Read full description

OZ Viewer supports preview function optimized for mobile environments, making it more convenient to check your work. Working with the PCOZ Viewer โ–  You can check the works registered in the PCOZ Viewer in real-time on your mobile. โ–  Compare manuscripts and publication versions to identify corrections and improvements immediately. real-time communication โ–  You can exchange feedback and opinions for each work through the comment function. โ–  You can share your work anytime, anywhere and collaborate with your team members. Key Features โ–  Mobile Preview: High-resolution images can also be seen clearly on your mobile screen. โ–  Comparison of works: Get a quick look at the differences between manuscripts and publications. โ–  Comment: Quickly exchange views on the progress of your work. Get a solution designed to increase work efficiency with OZ Viewer and communicate and collaborate with your work anytime, anywhere.

Screenshots

TimeKeeper4 screens
OZ viewer4 screens

Verdict

The call

The clearest difference is update cadence: OZ viewer at every 2 days against TimeKeeper's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

TimeKeeper ships an update every 3 months, OZ viewer every 2 days. The most recent releases landed on September 13, 2026 and May 19, 2026 respectively.

Scorecard1 real difference ยท 7 level
TimeKeeper versus OZ viewer: the parameters behind the verdict, then further details
ParameterTimeKeeperOZ viewer
PriceFreeFree
Positive reviews75.0% of reviewsโ€”
Update frequencyEvery 3 monthsEvery 2 days โ€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeโ€”
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 โ€” better13.4
Further details โ€” not scored
Size11 MB12 MB
Age rating4+12+
DeveloperNOVUSMAYYLAB Earth

In-app purchases

None

TimeKeeper

No in-app purchases

None

OZ viewer

No in-app purchases

Questions

Is TimeKeeper free?
TimeKeeper is free to download, with no in-app purchases.
Is OZ viewer free?
OZ viewer is free to download, with no in-app purchases.
Do TimeKeeper or OZ viewer have ads?
Neither TimeKeeper nor OZ viewer shows ads.
Which is updated more often, TimeKeeper or OZ viewer?
TimeKeeper ships an update every 3 months, and OZ viewer every 2 days. Most recently, TimeKeeper was updated on September 13, 2026 and OZ viewer on May 19, 2026.

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