Comparison

Chalkee vs Koba

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

Head to head
About

Chalkee

Send heartfelt, chalk-style handwritten messages to friends and family. Display messages on your home screen widget and receive real-time notifications. Premium features include wiggly handwriting, collaborative drawing, and more connections.

Highlights
  • Chalk-style handwritten messages
  • Home screen widget display
  • Real-time notifications
  • Wiggly handwriting
  • Collaborative drawing
  • Connect with up to 20 people
  • Unlock special chalk colors and backgrounds
Features
Read full description

Chalkee is a handwriting widget app that lets you exchange heartfelt messages with your friends, partner, and family. 【Key Features】 ◆ Chalk-Style Handwritten Messages Create warm messages that look like they were written with chalk on a blackboard. Choose from colorful chalks and backgrounds to make your messages unique. ◆ Home Screen Widget Display received messages right on your home screen widget. See your loved ones' messages every time you look at your phone. ◆ Real-Time Notifications Get push notifications as soon as a new message arrives. Your widget updates automatically too. ◆ Simple to Use Just share an invite code to connect instantly. No complicated setup required. 【Chalkee Premium Features】 ◆ Wiggly Handwriting Your lines come alive and keep wiggling, even on your partner's board. Share them as a video, still in motion. ◆ Draw Together on a Shared Board Even when you're apart, take turns with your partner on the same board and finish one drawing together. ◆ Connect with More People Go premium to connect with up to 20 people. Stay close to all the people who matter most — friends, partners, and family. ◆ Shared Access for Two Only one person needs a subscription for both to enjoy all premium features. ◆ Unlimited Messaging Remove the daily limit and send as many messages as you like, anytime. ◆ Special Colors Unlock all 30 special chalk colors to express yourself more naturally. ◆ Premium Backgrounds Gain access to all exclusive blackboard textures and designs. 【Terms and Privacy】 Terms: https://ryuckle.com/app/chalkee/terms.html Privacy: https://ryuckle.com/app/chalkee/privacy.html 【Perfect For】 ・Best friends ・Couples or married partners ・Busy family members ・Those who want to exchange little messages daily ・Anyone who feels text messages aren't personal enough Deepen your bond with handwritten messages.

About

Koba

Features
Read full description

Koba es una app para compartir momentos con un grupo cerrado de personas. Tomas una foto, tu círculo la ve una vez y desaparece. Pueden reaccionar o responderte. La foto se queda contigo, en tu perfil. Sin feed público. Sin audiencia abierta. Solo las personas que tú elegiste. Cómo funciona: - Compartes un drop con tu círculo - Lo ven una sola vez antes de que expire - Te responden en privado, con texto o nota de voz - La foto se queda en tu perfil También en Koba: - Chats uno a uno y en grupo con tu círculo - Notas en el pizarrón para decir que vas al gym, o lo que quieras - Ve quién de tu círculo está entrenando ahorita - Tu racha de días con drop, que solo ves tú Privacidad por diseño: - Nadie ve quién vio tu drop. - Koba comparte tu actividad, nunca tu ubicación. - Tu círculo lo defines tú y puedes ampliarlo cuando quieras. Koba Labs S.A.S. de C.V.

Screenshots

Chalkee4 screens
Koba4 screens

Verdict

The call

The clearest difference is in-app purchases: Koba at none against Chalkee's 3. Koba also leads on ads (none vs shown). Chalkee's advantage is update cadence (every 9 days vs every 6 weeks). On price, 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. Chalkee sells 3 in-app purchases, starting at $4.99 per month. Koba asks for nothing beyond the download.

UpkeepUpdate frequency

Chalkee ships an update every 9 days, Koba every 6 weeks. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Chalkee versus Koba: the parameters behind the verdict, then further details
ParameterChalkeeKoba
PriceFreeFree
Rating4.7 (179 ratings) — better—
Positive reviews63.2% of reviews—
Number of ratings179 — better—
Update frequencyEvery 9 days — betterEvery 6 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone
Requires iOS17.016.4 — better
Further details — not scored
Size109 MB65 MB
Age rating+417+
DeveloperRyuta OgawaEmiliano Lozano

In-app purchases

3 purchases

Chalkee

Subscriptions2
  • Chalkee Premium Monthly$4.991 Month
  • Chalkee Premium Yearly3 Days trial$39.991 Year
One-time1
  • Special Colors Full Set$2.99
None

Koba

No in-app purchases

Questions

Is Chalkee free?
Chalkee is free to download, with in-app purchases available.
Is Koba free?
Koba is free to download, with no in-app purchases.
Do Chalkee or Koba have ads?
Chalkee shows ads; Koba does not.
Which is updated more often, Chalkee or Koba?
Chalkee ships an update every 9 days, and Koba every 6 weeks. Most recently, Chalkee was updated on November 7, 2026 and Koba on October 31, 2026.

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