Hotaru · Office #54,659

What it is

Calls itself “flashcards”.

• Calls itself: flashcards

“AI flashcards from your notes”

Where it puts itself

Rules out “ads” and “tracking”.

• Says it will not: ads · tracking

“No ads, no tracking.”

What it costs

Monthly subscription and yearly plan. A free tier, free forever. Trial: “3 days”. No one-time option. 5 prices listed on its pages, from $1 to $25.

• One-time: no
• Monthly: yes
• Yearly: yes
• Free plan: free forever
• Price: 5 prices, from $1 to $25
• Trial: 3 days

“500 Glow $0.99”

“1200 Glow $1.99”

“Hotaru Pro Yearly $24.99”

Who it sells to

Sells to consumers.

• Sells to: consumers

“Studying is free, forever.”

How it runs

A desktop app and mobile app for iOS, iPadOS and macOS. Runs locally and works offline. Distributed through the App Store. AI is the core of the product.

• Kind: desktop · mobile
• Runs on: iOS · iPadOS · macOS
• Runs where: on the device, offline
• Distributed via: App Store
• AI role: core to the product

“Platform iPhone iPad Mac Vision Watch TV”

“Compatibility Requires iOS 26.0 or later. iPhone”

What it works with

Names Anki, Apple Intelligence and 5 more on its pages.

• Names: Anki · Apple Intelligence · Everyish · +4

“Anki, shows each card right before you'd forget it.”

“With Apple Intelligence, the cards are written on your iPhone”

What it offers as proof

Live, no waitlist. Claims “250+”. Try it without signing up.

• Number claimed: 250+
• Instant signup: yes
• Trial asks for: nothing

“Sign in with Apple to sync across devices and share any deck with a link — or use Hotaru with no account at all.”

“250+ READY-MADE DECKS”