Comparison

PERI Extended Experience vs Event Tracker

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

Head to head
About

PERI Extended Experience

Visualize 3D models of products and solutions in augmented reality or a virtual environment. Explore detailed technical models in 1:1 scale or navigate through virtual spaces with interactive controls.

Highlights
  • Augmented Reality (AR) mode
  • Virtual Environment (VI) mode
  • 1:1 scale model placement
  • Reality Anchor for precise positioning
  • First-person walk and fly modes
  • Finger gesture controls
Features
Read full description

PERI Extended Experience brings PERI products and solutions from your pocket to real life. Using 1:1 size Augmented Reality mode, models can be positioned anywhere in the physical world with a Relity Anchor - showing the specific PERI solution in all its excellence. PERI Extended Experience enables the user to view a technical 3D solution in her/his device in 2 different ways. - VI mode: 3D models in a virtual environment with finger gestures. Enable the first person view and enter into walk and fly mode. - AR: Your camera will detect the ground and then the 3D model will be placed in front of you, or placing the Reality Anchor and the model will be placed in 1:1 scale linked with this anchor.

About

Event Tracker

Features
Read full description

When did you last water the plants, change the sheets, or get a haircut? LastWhen is a days-since tracker for the things you do now and then. Log a completed activity, see how long it's been, and stop trying to remember every little detail. No streaks to protect. No pressure to do everything daily. A LITTLE LESS TO KEEP IN YOUR HEAD Keep a simple record of cleaning, plant care, home and car maintenance, pet care, and personal routines. Choose a ready-made template or create a tracker of your own. LOG IT IN SECONDS Press and hold to record an activity. Forgot to log it yesterday? Add a past entry, adjust the date, and leave a note with the details you want to remember. SEE YOUR HISTORY AND YOUR RHYTHM Check when something last happened and look back through previous entries. Explore the time between activities, spot patterns, and see estimates based on your own history. GET A NUDGE WHEN YOU WANT ONE Set optional reminders for the things that are easy to forget. Use Home Screen and Lock Screen widgets to keep your trackers within reach on supported devices. MAKE IT FEEL LIKE YOURS Choose icons and explore colors, themes, and completion animations. Some customization options require Premium. Light and dark appearances keep your everyday overview comfortable to use. YOUR TRACKERS STAY ON YOUR DEVICE No LastWhen account required. Log activities and view your history offline. Tracker names, notes, and history are stored locally. Export CSV or JSON files when you want a copy of your records. START FREE, UPGRADE IF YOU NEED MORE Use up to 3 active trackers for free. LastWhen Premium unlocks unlimited trackers and premium customization. Choose a monthly or yearly subscription, or a one-time Lifetime purchase. Monthly and yearly plans include Apple Family Sharing; each person keeps their own trackers. Lifetime is for individual use and does not include Family Sharing. Subscriptions renew automatically unless canceled. Manage or cancel your subscription in your App Store account settings. Do it. Log it. Let LastWhen remember. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

PERI Extended Experience4 screens
Event Tracker4 screens

Verdict

The call

The clearest difference is in-app purchases: PERI Extended Experience at none against Event Tracker's 3. Event Tracker's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, device support and iOS requirement 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. Event Tracker sells 3 in-app purchases, starting at $4.99 per month. PERI Extended Experience asks for nothing beyond the download.

UpkeepUpdate frequency

PERI Extended Experience ships an update every 3 months, Event Tracker every 3 weeks. The most recent releases landed on September 23, 2026 and October 23, 2026 respectively.

Scorecard2 real differences · 7 level
PERI Extended Experience versus Event Tracker: the parameters behind the verdict, then further details
ParameterPERI Extended ExperienceEvent Tracker
PriceFreeFree
Rating3.7 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.4
Further details — not scored
Size207 MB62 MB
Age rating4+4+
DeveloperPERI GmbHSzymon Niemiec

In-app purchases

None

PERI Extended Experience

No in-app purchases

3 purchases

Event Tracker

Subscriptions2
  • LastWhen Premium Monthly$4.991 Month
  • LastWhen Premium Yearly$19.991 Year
One-time1
  • LastWhen Premium Lifetime$39.99

Questions

Is PERI Extended Experience free?
PERI Extended Experience is free to download, with no in-app purchases.
Is Event Tracker free?
Event Tracker is free to download, with in-app purchases available.
Do PERI Extended Experience or Event Tracker have ads?
Neither PERI Extended Experience nor Event Tracker shows ads.
Which is updated more often, PERI Extended Experience or Event Tracker?
PERI Extended Experience ships an update every 3 months, and Event Tracker every 3 weeks. Most recently, PERI Extended Experience was updated on September 23, 2026 and Event Tracker on October 23, 2026.

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