Comparison

Penguin Planner vs SessionStack

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

Head to head
About

Penguin Planner

Visually plan your day by drawing tasks directly onto a continuous timeline. Effortlessly adjust task durations, move groups of activities, and copy routines. This app offers a clear, actionable view of your schedule, helping you take control of your time.

Highlights
  • Continuous timeline planning
  • Draw tasks directly on timeline
  • Move and resize tasks easily
  • Copy/paste tasks and groups
  • Flexible repeating tasks
  • Reminders and alerts
  • Marine and Light themes
Read full description

Plan your day by drawing tasks directly onto a continuous timeline. See your schedule take shape as you plan. Stretch tasks to match the time they really need, move whole groups when plans shift, and copy routines exactly where you point. Instead of juggling a to-do list and a calendar, build a schedule you can actually see. FEATURES • Continuous timeline that flows naturally across days • Draw tasks directly on the timeline • Move multiple tasks together in a single action • Copy and paste individual tasks or entire groups • Resize tasks visually with minute-level precision • Flexible repeating tasks • Reminders and special alerts • Marine and Light timeline themes • Built-in Penguin Academy lessons Whether you're organizing your daily routine, planning projects, or using time blocking to stay focused, Penguin Planner helps you see your schedule clearly and stay in control of what matters most. Because planning isn't about chasing your schedule. It's about taking control of your time. A new way to plan. Terms of Use: https://penguinplanner.com/terms Privacy Policy: https://penguinplanner.com/privacy

About

SessionStack

Effortlessly plan your conference schedule in Las Vegas. This app helps you browse thousands of sessions, uses AI to filter options based on your preferences, and suggests optimal itineraries to avoid conflicts and travel time.

Highlights
  • Browse 2,200+ conference sessions
  • AI-powered filtering and suggestions
  • Optimized itinerary planning
  • Avoid scheduling conflicts
  • Venue and travel time considerations
Features
Read full description

Plan your conference week in Las Vegas without the spreadsheet chaos. SessionStack is a session planner for attendees of AWS re:Invent 2026. Browse 2,200+ sessions across six venues on the Strip. Ask in one sentence and the AI turns it into filters you can see. Leave an afternoon open and it suggests sessions that are worth your time and that you can actually reach. And it will never book you two talks twenty minutes apart at opposite ends of the Strip. SessionStack is an independent app made by attendees, for attendees. It is not affiliated with, endorsed or sponsored by Amazon Web Services, Inc. or its affiliates. AWS and re:Invent are trademarks of Amazon.com, Inc. or its affiliates.

Screenshots

Penguin Planner4 screens
SessionStack4 screens

Verdict

The call

The clearest difference is in-app purchases: SessionStack at none against Penguin Planner's 2. SessionStack also leads on update cadence (every 4 days vs fortnightly). On price, rating, ratings volume and ads 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. Penguin Planner sells 2 in-app purchases, starting at $2.99 per month. SessionStack asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Penguin Planner against 5.0 for SessionStack. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Penguin Planner ships an update fortnightly, SessionStack every 4 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Penguin Planner versus SessionStack: the parameters behind the verdict, then further details
ParameterPenguin PlannerSessionStack
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings11
Update frequencyFortnightlyEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPod — betteriPhone
Requires iOS15.6 — better16.4
Further details — not scored
Size143 MB81 MB
Age rating4+4+
DeveloperCharles TorosianJoannes van Eijk

Customer experience

Penguin Planner

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

SessionStack

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

In-app purchases

2 purchases

Penguin Planner

Subscriptions2
  • Penguin Planner Pro Monthly1 Month trial$2.991 Month
  • Penguin Planner Pro Yearly7 Days trial$24.991 Year
None

SessionStack

No in-app purchases

Questions

Is Penguin Planner free?
Penguin Planner is free to download, with in-app purchases available.
Is SessionStack free?
SessionStack is free to download, with no in-app purchases.
Which has better reviews, Penguin Planner or SessionStack?
Penguin Planner and SessionStack are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Penguin Planner or SessionStack have ads?
Neither Penguin Planner nor SessionStack shows ads.
Which is updated more often, Penguin Planner or SessionStack?
Penguin Planner ships an update fortnightly, and SessionStack every 4 days. Most recently, Penguin Planner was updated on October 30, 2026 and SessionStack on October 31, 2026.

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