Esri Events vs Zen Pi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Esri Events
Access comprehensive information for all Esri conferences, including agendas, session details, and event schedules. Manage your personal schedule, connect with fellow attendees, and navigate event venues with ease.
- Conference agendas
- Session descriptions
- Activity dates and times
- Schedule management
- Peer connection
- Venue navigation
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Information on all Esri conferences is available to you at the touch of your finger. Access important information including agendas, session descriptions, and activity dates and times. The app helps you manage your schedule, connect with peers, and navigate venues while attending Esri events.
Zen Pi
This app helps you manage your time by breaking it down into weekly and daily increments. It tracks time remaining in seconds for both the day and the year, and offers a daily astrological outlook.
- Weekly time management
- Daily time tracking in seconds
- Time remaining in year calculation
- Daily astrological outlook
- Productivity enhancement
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Use Zen Pi to work in increments of weeks. The days will pass quickly, that is why Zen Pi tracks the week number. Zen Pi can help you be productive, and make good use of your time. You can work with each week, and each day as they come and go. Features the time remaining each day in seconds. And the time remaining this year in seconds. Also we provide a daily outlook, a modern day astrological forecast each day, for you to use.
Screenshots
Verdict
The clearest difference is ratings volume: Esri Events at 1.3K against Zen Pi's 2. Esri Events also leads on update cadence (every 3 months vs every 7 months). Zen Pi's advantage is rating (5.0 vs 4.7). On price, ads, in-app purchases and monetization model 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.
Zen Pi holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Esri Events has 1.3K ratings behind it against 2, so its average is the more settled of the two.
Esri Events ships an update every 3 months, Zen Pi every 7 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.
| Parameter | Esri Events | Zen Pi |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (1.3K ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 57.1% of reviews | — |
| Number of ratings | 1.3K — better | 2 |
| Update frequency | Every 3 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17.0 | 16.6 — better |
| Further details — not scored | ||
| Size | 117 MB | 1 MB |
| Age rating | 4+ | 17+ |
| Developer | ESRI | Christopher Huffaker |
Customer experience
Esri Events
Zen Pi
Bugs and requests
Esri Events
Reported bugs
3 issues- App not displaying any events or content
- Frequent logout issues requiring re-login
- Crashes after short usage periods
Requested features
6 requests- Calendar view for schedule planning
- Ability to add multiple sessions per time block
- Keyword search for sessions and content
- Automatic conflict detection and session recommendations
- Integration with device calendar for scheduling
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- Option to take and attach photos in session notes
Zen Pi
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Esri Events
No in-app purchases
Zen Pi
No in-app purchases
