Comparison

Chronogram vs PlanDay

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

Head to head
About

Chronogram

This app facilitates collaborative event planning and sharing for both individuals and organizations. It allows users to discover and connect with events, manage personal schedules, and helps organizations engage their audience by publishing events directly to followers' calendars.

Highlights
  • Collaborative event creation
  • Event sharing and discovery
  • Personal event scheduling
  • Organization event publishing
  • Follow organizations of interest
  • Minimize scheduling conflicts
Features
Read full description

Personal and organizational event creation, collaboration, and sharing platform. Chronogram is an online collaborative event-sharing and customer engagement platform. Chronogram helps individual users and businesses discover and connect with each other and structure their events in a calendarized format for easy viewing, sharing, and collaboration. Chronogram helps people get events from organizations they care about published directly on their calendar. Event planning and sharing are two important steps in hosting a successful event of any size. Chronogram makes event planning, sharing, and collaboration very easy! Being able to use predictive analytics and take data-driven actions by event hosting companies can dramatically improve the discovery and reach of their target customers. Individual users can schedule their personal and family events, and manage appointments. Chronogram users can discover & follow organizations of interest. View their personal and social events - all in one calendar and never miss an RSVP. Chronogram enables organizations build targeted follower base and directly publish their events on followers’ calendar. Collaborate with other organizations & minimize scheduling conflicts.

About

PlanDay

A straightforward daily planner designed for focused task management. Easily organize your day, week, and month with intuitive swiping and task management. Enjoy a clean interface with customizable themes, all without ads or subscriptions.

Highlights
  • Day, week, and month views
  • Add and check off tasks
  • Drag and drop tasks to reschedule
  • iCloud data syncing
  • Four customizable themes
  • Instant opening, no login
Features
Read full description

PlanDay is a planner for your day, week, and month. Swipe between views to see what's ahead. Add tasks, check them off, move them to another day if plans change. No accounts. No syncing headaches. No overwhelming feature lists. Just a clean, focused space to plan your day, your week, and your month — all in one place. Swipe between Day, Week, and Month views to see your life at every level. Add tasks in seconds. Check them off as you go. Move them forward when plans change. FOUR HANDCRAFTED THEMES • Classic — Clean and minimal, like a fresh notebook • Journal — Warm leather and ruled paper, for the old soul • Trapper Keeper — Bold, loud, and unapologetically '90s • Nature — A calm sunset backdrop for a calmer mind WHAT MAKES IT DIFFERENT • Opens instantly — no loading, no login • Swipe between day, week, and month views • Drag tasks to tomorrow when life gets in the way • Your data stays on your device and syncs via iCloud • No ads. No subscriptions. No tricks. PlanDay was built for people who want to do more and manage less. If you've ever abandoned a productivity app because it felt like a second job, this one's for you.

Screenshots

Chronogram4 screens
PlanDay4 screens

Verdict

The call

The clearest difference is update cadence: Chronogram at every 10 days against PlanDay's every 6 weeks. Chronogram also leads on ratings volume (17 vs 1) and iOS requirement (15.6 vs 26.2). On price, rating, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Chronogram against 5.0 for PlanDay. That said, the two scores are not equally well evidenced: Chronogram has 17 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Chronogram ships an update every 10 days, PlanDay every 6 weeks. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
Chronogram versus PlanDay: the parameters behind the verdict, then further details
ParameterChronogramPlanDay
PriceFreeFree
Rating5.0 (17 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings17 — better1
Update frequencyEvery 10 days — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better26.2
Further details — not scored
Size37 MB5 MB
Age rating17+9+
DeveloperChronogram LLC (U.S.)Sunset Labs, LLC

Customer experience

Chronogram

All ratings17 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews21 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

PlanDay

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Chronogram

No in-app purchases

None

PlanDay

No in-app purchases

Questions

Is Chronogram free?
Chronogram is free to download, with no in-app purchases.
Is PlanDay free?
PlanDay is free to download, with no in-app purchases.
Which has better reviews, Chronogram or PlanDay?
Chronogram and PlanDay are both rated 5.0 out of 5 on the App Store, from 17 and 1 ratings respectively.
Do Chronogram or PlanDay have ads?
Neither Chronogram nor PlanDay shows ads.
Which is updated more often, Chronogram or PlanDay?
Chronogram ships an update every 10 days, and PlanDay every 6 weeks. Most recently, Chronogram was updated on October 13, 2026 and PlanDay on October 7, 2026.

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