Comparison

Calmoa vs JamGo

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

Head to head
About

Calmoa

Effortlessly coordinate group schedules without endless chat messages. This app lets you share a date range, and participants easily mark their availability. It then automatically highlights the best times for everyone to meet.

Highlights
  • Share entire date ranges as calendars
  • One-tap availability responses (Available, Maybe, Unavailable)
  • Date-specific notes for context
  • Real-time results and automatic date ranking
  • Join via web link without app installation
  • Create and manage multiple events
Features
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When are you free? โ€œIโ€™m available on Friday.โ€ โ€œSaturday only for meโ€ฆโ€ Stop endless scheduling in group chats. Calmoa is a calendar-based group scheduling app that helps you find the best date for everyone. Share a single link, collect availability by date, and Calmoa automatically organizes and highlights the most suitable dates. Why Calmoa is easy to use Share a full calendar, not just a single day Instead of choosing one date, share an entire date range as a calendar. Participants mark their availability by date, and everyoneโ€™s schedules are clearly organized in one view. One-tap availability responses Available, Maybe, or Unavailable can be selected with a single tap. No submit button is required. Responses are saved instantly and can be updated anytime. Date-specific notes Participants can leave notes for each date, such as โ€œAvailable in the eveningโ€ or โ€œOnly if nearby.โ€ This allows scheduling context beyond simple availability. Real-time results and automatic ranking View results directly on the calendar. Available 5, Unavailable 2, Maybe 1, No response 3 Dates with the highest overlap are automatically prioritized. Dates where everyone is available are calculated automatically. Join without installing the app Hosts only need to share a link. Participants can respond instantly on the web without installing the app. Recommended for Planning dates with friends Team meetings or company dinners Family gatherings or reunions Study groups and clubs Choosing travel departure dates Key Features Create an event Create instantly with a name and date range Manage multiple events at the same time Easy sharing Share via KakaoTalk link QR code sharing supported Automatic summary View participant counts by date Sort dates by availability Check participant response status Notifications Push reminders before events Multiple reminder time options How it works Create an event Share the link Review results and confirm the date App Information Free to use Pro version removes ads and allows unlimited events Supports Korean and English Minimal data collection Pro Subscription Information Calmoa provides core features for free. Upgrade to Calmoa Pro to remove ads and create unlimited events. Product Name: Calmoa Pro Monthly Subscription Price: KRW 2,900 per month Payment: Payment will be charged to the Apple ID account at confirmation of purchase Renewal: Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period Management: Subscriptions can be managed and canceled in the App Store account settings after purchase Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy https://app-master.officialsite.kr/privacy/calmoa

About

JamGo

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๋ฐด๋“œ ์šด์˜, ์ด์ œ ํฉ์–ด๋†“์ง€ ๋งˆ์„ธ์š”. JamGo๋Š” ๋ฐด๋“œ, ํ”„๋กœ์ ํŠธ, ๊ณก, ํ•ฉ์ฃผ ์ผ์ •์„ ํ•˜๋‚˜์˜ ํ๋ฆ„์œผ๋กœ ์—ฐ๊ฒฐํ•˜๋Š” ๋ฐด๋“œ ์šด์˜ ํ˜‘์—… ์•ฑ์ž…๋‹ˆ๋‹ค. ์ฐธ์—ฌ ์Šน์ธ๋ถ€ํ„ฐ ์ผ์ • ์กฐ์‚ฌ์™€ ํ•ฉ์ฃผ ํ™•์ •, ๊ณต์ง€์™€ ์ฑ„ํŒ…๊นŒ์ง€ ํŒ€ ์šด์˜์— ํ•„์š”ํ•œ ์ •๋ณด๋ฅผ ํ•œ๊ณณ์—์„œ ๊ด€๋ฆฌํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. โ–  ์Šน์ธ ๊ธฐ๋ฐ˜ ์ฐธ์—ฌ ๊ด€๋ฆฌ ๋ฐด๋“œ, ํ”„๋กœ์ ํŠธ, ๊ณก ์ฐธ์—ฌ ์š”์ฒญ์„ ์Šน์ธ์ œ๋กœ ์šด์˜ํ•˜๊ณ  ๋ฐด๋“œ์žฅ, ํ”„๋กœ์ ํŠธ์žฅ, ๊ณก์žฅ ๋“ฑ ์—ญํ• ๋ณ„ ๊ถŒํ•œ์„ ๊ด€๋ฆฌํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. โ–  ํ”„๋กœ์ ํŠธ์™€ ๊ณก ๊ตฌ์„ฑ ๊ณต์—ฐ๊ณผ ํ™œ๋™๋ณ„ ํ”„๋กœ์ ํŠธ๋ฅผ ๋งŒ๋“ค๊ณ  ๊ณก๋ณ„ ๋‹ด๋‹น ์„ธ์…˜, ์ฐธ์—ฌ ๋ฉค๋ฒ„, ์ฐธ๊ณ  ๋งํฌ์™€ ๊ณก ์ •๋ณด๋ฅผ ์ •๋ฆฌํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. โ–  ์ผ์ • ์กฐ์‚ฌ์™€ ํ•ฉ์ฃผ ํ™•์ • ๋ฉค๋ฒ„๋“ค์˜ ๊ฐ€๋Šฅํ•œ ์‹œ๊ฐ„์„ ์ˆ˜์ง‘ํ•˜๊ณ  ์‹ค์ œ ์ฐธ์—ฌ์ž๋ฅผ ๊ธฐ์ค€์œผ๋กœ ํ•ฉ์ฃผ ์‹œ๊ฐ„, ์žฅ์†Œ์™€ ์—ฐ์Šต ๊ณก์„ ํ™•์ •ํ•ฉ๋‹ˆ๋‹ค. ๋‚ด๊ฒŒ ํ•„์š”ํ•œ ์ผ์ •๋งŒ ํ™ˆ๊ณผ ์บ˜๋ฆฐ๋”์—์„œ ํ™•์ธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. โ–  ๊ณต์ง€, ์ฑ„ํŒ…๊ณผ ์•Œ๋ฆผ ๋ฐด๋“œยทํ”„๋กœ์ ํŠธ ๊ณต์ง€๋ฅผ ๊ณต์œ ํ•˜๊ณ  ์Šน์ธ๋œ ๋ฉค๋ฒ„๋ผ๋ฆฌ ๊ทธ๋ฃน ์ฑ„ํŒ…์œผ๋กœ ์†Œํ†ตํ•ฉ๋‹ˆ๋‹ค. ์ฐธ์—ฌ ์Šน์ธ, ์ผ์ • ์กฐ์‚ฌ, ํ•ฉ์ฃผ ๋ณ€๊ฒฝ ๊ฐ™์€ ์ค‘์š”ํ•œ ์†Œ์‹์„ ์•Œ๋ฆผ์œผ๋กœ ํ™•์ธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. โ–  ์—ญํ• ์— ๋งž๋Š” ์šด์˜ ์šด์˜์ž๋Š” ์ฐธ์—ฌ ์š”์ฒญ, ๊ณต์ง€์™€ ์ผ์ •์„ ๊ด€๋ฆฌํ•˜๊ณ  ๋ฉค๋ฒ„๋Š” ์ž์‹ ์˜ ๊ณก๊ณผ ํ•ฉ์ฃผ ์ค€๋น„ ์ƒํƒœ๋ฅผ ํ™•์ธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. JamGo์™€ ํ•จ๊ป˜ ํ•ฉ์ฃผ ์ค€๋น„์— ๋“œ๋Š” ์‹œ๊ฐ„์„ ์ค„์ด๊ณ , ์Œ์•…์— ๋” ์ง‘์ค‘ํ•˜์„ธ์š”.

Screenshots

Calmoa4 screens
JamGo4 screens

Verdict

The call

The clearest difference is in-app purchases: JamGo at none against Calmoa's 1. JamGo also leads on update cadence (every 4 days vs every 3 weeks). Calmoa's advantage is iOS requirement (13.0 vs 15.0). On price, ads 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. Calmoa sells 1 in-app purchase, starting at $1.99 per month. JamGo asks for nothing beyond the download.

UpkeepUpdate frequency

Calmoa ships an update every 3 weeks, JamGo every 4 days. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

Scorecard3 real differences ยท 5 level
Calmoa versus JamGo: the parameters behind the verdict, then further details
ParameterCalmoaJamGo
PriceFreeFree
Positive reviews100.0% of reviewsโ€”
Update frequencyEvery 3 weeksEvery 4 days โ€” better
AdsNoNo
In-app purchasesYesNo โ€” better
MonetizationFreemiumโ€”
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS13.0 โ€” better15.0
Further details โ€” not scored
Size45 MB106 MB
Age rating4+4+
DeveloperBroSisterSangmin Han

In-app purchases

1 purchases

Calmoa

Subscriptions1
  • Calmoa Pro Monthly$1.991 Month
None

JamGo

No in-app purchases

Questions

Is Calmoa free?
Calmoa is free to download, with in-app purchases available.
Is JamGo free?
JamGo is free to download, with no in-app purchases.
Do Calmoa or JamGo have ads?
Neither Calmoa nor JamGo shows ads.
Which is updated more often, Calmoa or JamGo?
Calmoa ships an update every 3 weeks, and JamGo every 4 days. Most recently, Calmoa was updated on October 9, 2026 and JamGo on October 16, 2026.

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