HiCal vs IRIDay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HiCal
This app facilitates collaborative event planning and scheduling for groups. Share timetables, receive real-time updates on changes, and communicate via comments. Ideal for students, project teams, and organizations to stay synchronized.
- Group event scheduling
- Real-time push notifications
- Event comments and discussion
- Shared timetables
- Private and public groups
- Event repetition support
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Organize yourselves for your classes, projects, or company with HiCal, the collaborative calendar! Create or join your class’ or club’s group, and get your shared timetable in your pocket. You can be part of multiple groups. You will receive Push notifications each time that a group’s event is modified, or an event is commented. Event repetition is supported (including “once every two weeks”). HiCal helps you to organize yourself and to collaborate with your friends and colleagues in different situations: - Students and pupils: Add comments to a lesson at a given day, to indicate homework and exams for example, and they will instantly be synced across smartphones and tablets, and shared with your class. You will not ever ask yourself again what is left to do: the answer will be in your pocket, up-to-date, at any moment. Even if only one person indicates the exams to come, everyone will be aware: one for all, and all for one! - Projects: Determine deadlines with your teammates, and discuss them in the comments! Your project is a secret? Then create a secret group, which will be hidden from the group search results. Only the people you add will be able to join the group. - Companies, clubs and organizations: Write down meetings’ or activities’ dates and locations, suggest or edit in real time, and instantly update all your fellows of a schedule change, thanks to push notifications. - Organize public events: Create a group, open to everyone, to let people stay tuned about your upcoming events! In this kind of group, only the group’s administrators can create or edit events. Thus, you can share your events, your live sessions for example if you’re a band, while keeping control. And if something unexpected happens, you can inform group’s members thanks to comments and push notifications! - Education: If you are an educational institution (school, college, university...), you can also use HiCal, by creating a group for each class or course, and inviting your students in them. Simplify your teachers’ and students’ life with HiCal!
IRIDay
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IRIDay è l'app smart, scaricabile su smartphone e tablet, pensata per semplificare la segnalazione dei tempi di produzione in modalità differita. Dimentica i fogli di carta: con IRIDay digitalizzi i processi, raccogli dati in modo preciso e li hai sempre a portata di mano, pronti per essere consultati in qualsiasi momento. Ottimizza. Analizza. Migliora. IRIDay supporta le aziende nel monitoraggio e nell’efficientamento dei processi produttivi, aiutandoti a prendere decisioni rapide e consapevoli. L'app è disponibile in abbonamento. Vuoi saperne di più su costi, offerte dedicate o semplicemente dirci la tua? Contattaci senza impegno! www.irideprogetti.it info@irideprogetti.it +39 071 793 1743
Screenshots
Verdict
The clearest difference is iOS requirement: HiCal at 13.0 against IRIDay's 15.6. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 21, 2026 and October 30, 2026 respectively.
| Parameter | HiCal | IRIDay |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (25 ratings) — better | — |
| Positive reviews | 55.0% of reviews | — |
| Number of ratings | 25 — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 3 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Nakagawa Yugo | Alfredo Sanfilippo |
In-app purchases
HiCal
No in-app purchases
IRIDay
No in-app purchases









