Comparison

PROTOCOL vs PATIENT ZERO

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

Head to head
About

PROTOCOL

Features
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The day dimensional rifts opened, monsters and the Dimension Awakened appeared at the same time. As monsters spread across the world, the government gathered students with dimensional powers and established the Tactical Academy. Become its commander, train your students, and deploy to a city under threat. Control the leader directly and give orders to two fellow agents. Combine their abilities, weapons, and parts to lead a three-person squad. โ€ข Survive the waves of monsters. โ€ข Train distinctive students and build your squad. โ€ข Find powerful combinations, overcome each battle, and protect the city. A two-person indie game. PROTOCOL: Zero Rift

About

PATIENT ZERO

Features
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๋‹น์‹ ์€ ์ด ๋„์‹œ์˜ ์ตœ์ดˆ ๊ฐ์—ผ์ž์ž…๋‹ˆ๋‹ค. ๋ฐฑ์‹ ์„ ๋“  ์‚ฌ๋žŒ๋“ค์ด ๊ฑฐ๋ฆฌ๋ฅผ ์ง€ํ‚ค๊ณ , ๋‹น์‹ ์—๊ฒŒ ๋‚จ์€ ์‹œ๊ฐ„์€ 90์ดˆ๋ฟ์ž…๋‹ˆ๋‹ค. ๋‹ฟ์€ ์‚ฌ๋žŒ์€ ์“ฐ๋Ÿฌ์ง€์ง€ ์•Š์Šต๋‹ˆ๋‹ค โ€” ๋‹น์‹  ํŽธ์ด ๋˜์–ด ๊ฐ™์ด ๋ฒˆ์ง‘๋‹ˆ๋‹ค. ํ•œ ๋ช…์ด ๋‘˜, ๋‘˜์ด ๋„ท. 90์ดˆ๊ฐ€ ๋๋‚  ๋•Œ ๋„์‹œ๊ฐ€ ๋ˆ„๊ตฌ์˜ ๊ฒƒ์ธ์ง€๊ฐ€ ์ •ํ•ด์ง‘๋‹ˆ๋‹ค. โ–  90์ดˆ ํ•œ ํŒ ์งง๊ฒŒ ๋Š์–ด ๊ฐ€๋Š” ๊ฐ€๋กœ ํ™”๋ฉด ์•ก์…˜์ž…๋‹ˆ๋‹ค. ์™ผ์†์œผ๋กœ ์›€์ง์ด๊ณ , ์˜ค๋ฅธ์†์œผ๋กœ ๋Œ์ง„ํ•ด ๋ฐฑ์‹ ์„ ํ”ผํ•ฉ๋‹ˆ๋‹ค. ํ•œ ํŒ์ด ์ง€ํ•˜์ฒ  ํ•œ ์ •๊ฑฐ์žฅ๋ณด๋‹ค ์งง์Šต๋‹ˆ๋‹ค. โ–  19๊ฐœ ์ฑ•ํ„ฐ, 8๊ณณ์˜ ๊ฑฐ๋ฆฌ ํ•™๊ต ยท ์ง€ํ•˜์ฒ  ยท ๊ณต์žฅ ยท ํ•ญ๊ตฌ ยท ์—ฐ๊ตฌ์†Œโ€ฆ ํ†ต๊ณผ์„ ์„ ๋„˜๊ธฐ๋ฉด ๋‹ค์Œ ๊ฑฐ๋ฆฌ๊ฐ€ ์—ด๋ฆฝ๋‹ˆ๋‹ค. โ–  20๋ช…์˜ ๊ฐ์—ผ์ž ๋ถ‰์€ ๋ˆˆ์„ ๊ฐ€์ง„ ์•„์ด๋“ค. ๋น ๋ฅธ ์•„์ด, ๋‹จ๋‹จํ•œ ์•„์ด, ๋ฒˆ์ง€๊ฒŒ ํ•˜๋Š” ์•„์ด โ€” ๋ˆ„๊ตฌ๋ฅผ ๋ฐ๋ฆฌ๊ณ  ๋‚˜๊ฐ€๋А๋ƒ๋กœ ํ•œ ํŒ์ด ๋‹ฌ๋ผ์ง‘๋‹ˆ๋‹ค. ๋กœ๋น„์—์„œ ๋ง์„ ๊ฑธ๋ฉด ๋Œ€๋‹ตํ•ฉ๋‹ˆ๋‹ค. โ–  ๊ด‘๊ณ  ์—†์Œ ๊ด‘๊ณ ๋„, ์ถ”์ ๋„, ์•Œ๋ฆผ๋„ ์—†์Šต๋‹ˆ๋‹ค. ๋กœ๊ทธ์ธ ์—†์ด ๋๊นŒ์ง€ ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. โ–  ๋ชจ์ง‘ ํ™•๋ฅ ์€ ์ „๋ถ€ ์ ์–ด ๋‘์—ˆ์Šต๋‹ˆ๋‹ค ๋ชจ์ง‘ ํ™”๋ฉด์˜ ใ€Œ๋ชจ์ง‘ ํ™•๋ฅ  ยท ๋ณด์žฅ ์•ˆ๋‚ดใ€์— ๊ฒฐ๊ณผ๋ณ„ ํ™•๋ฅ ๊ณผ ๋ณด์žฅ ํšŸ์ˆ˜๊ฐ€ ๊ทธ๋Œ€๋กœ ์žˆ์Šต๋‹ˆ๋‹ค. ๊ฒŒ์ž„์ด ์‹ค์ œ๋กœ ๋ฝ‘๋Š” ํ‘œ์™€ ๊ฐ™์€ ํ‘œ๋ฅผ ๋ณด์—ฌ ์ค๋‹ˆ๋‹ค. ๊ฐ€๋กœ๋กœ ์ฅ๊ณ , 90์ดˆ๋งŒ ์จ ๋ณด์„ธ์š”.

Screenshots

PROTOCOL4 screens
PATIENT ZERO4 screens

Verdict

The call

The clearest difference is in-app purchases: PATIENT ZERO at none against PROTOCOL's 10. PATIENT ZERO also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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. PROTOCOL sells 10 one-off in-app purchases. PATIENT ZERO asks for nothing beyond the download.

UpkeepUpdate frequency

PROTOCOL ships an update every 3 days, PATIENT ZERO every 2 days. The most recent releases landed on November 12, 2026 and November 13, 2026 respectively.

Scorecard2 real differences ยท 4 level
PROTOCOL versus PATIENT ZERO: the parameters behind the verdict, then further details
ParameterPROTOCOLPATIENT ZERO
PriceFreeFree
Update frequencyEvery 3 daysEvery 2 days โ€” better
AdsYesNo โ€” better
In-app purchasesYesNo โ€” better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details โ€” not scored
Size259 MB54 MB
Age rating9+12+
DeveloperSungGwon Hansehyun ban

In-app purchases

10 purchases

PROTOCOL

One-time10
  • Beginner Package 1$0.99
  • Sale Package 3$1.99
  • Sale Package 1$2.99
Show 7 more
  • Sale Package 2$4.99
  • Beginner Package 2$4.99
  • Remove Ad$5.99
  • Daily Special Mission Ticket$7.99
  • Mission Energy Booster (30 Days)$9.99
  • Stage Pass$9.99
  • Beginner Package 3$14.99
None

PATIENT ZERO

No in-app purchases

Questions

Is PROTOCOL free?
PROTOCOL is free to download, with in-app purchases available.
Is PATIENT ZERO free?
PATIENT ZERO is free to download, with no in-app purchases.
Do PROTOCOL or PATIENT ZERO have ads?
PROTOCOL shows ads; PATIENT ZERO does not.
Which is updated more often, PROTOCOL or PATIENT ZERO?
PROTOCOL ships an update every 3 days, and PATIENT ZERO every 2 days. Most recently, PROTOCOL was updated on November 12, 2026 and PATIENT ZERO on November 13, 2026.

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