# Period-Based Scheduler– Comma — Scheduling App For Students

> Scheduling App For Students (iPhone/iPad app by TOMOKI KAMO.)

- Source: https://appshunter.io/ios/app/period-based-scheduler-comma/id6504521309 (this page in markdown: same URL + `.md`)
- Developer: [TOMOKI KAMO](https://appshunter.io/developer/1752641308)
- Category: Productivity, Lifestyle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.1 · 46 MB
- Languages: Japanese
- Released: 2025-05-13
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/period-based-scheduler-comma/id6504521309/reviews.md

## What is Period?

Want to know when everyone’s free?
Need to schedule a meeting or practice during free periods?
That’s where Comma comes in.

Comma is a free scheduling app designed for university students.
All you have to input is your available class periods—that’s it.
See everyone’s free slots and plan your events smoothly.
Comma also comes with smart features to make entering your availability fast and easy.

■ Features
– Column Selection
If you’re free all day, just tap once to select the entire day’s free periods.

– Weekly Schedule
Register your typical weekly free periods in advance and apply them with one tap.
Input becomes even easier when you set your timetable.

– Paste Feature
If you have overlapping scheduling periods, you can paste availability from other events.

■ How to Use
– For Organizers:
Create an event, share the invitation link with your group, and enter your availability.

– For Participants:
Click the invite link, join the event, and enter your free periods.

■ Ideal For
Club or team practice

Group meetings

Study sessions
...and many other group activities!

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| プレミアムパス | $2.99 | one-time |



## Version history (last 5 releases)

### 1.2.0 — 2026-05-13

- Redesigned the home screen UI.
- Added a feature that allows users to comment on each panel.
- Made other minor adjustments and improvements.

### 1.1.3 — 2026-03-01

- Added a schedule confirmation feature.
- Made minor adjustments to other behaviors.

### 1.1.2 — 2026-02-18

- Added onboarding.
- Updated the flow to display a URL sharing prompt after event creation.

### 1.1.1 — 2025-11-20

- Improved the UI.
- Fixed bugs in the store.

### 1.1.0 — 2025-11-07

- A notification is now sent to the event creator when a member joins.
- Updated the UI on the settings page and other related screens.
- Added premium features.

## Related topics

[xomma](https://appshunter.io/ios/topics/xomma)

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-17.*