Comparison

Lotto Engine 3D vs PURIAMI

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

Head to head
About

Lotto Engine 3D

This app simulates the physics of balls moving within a container, acting as a fun random number and ball generator. It's a useful tool for various applications, offering a creative and engaging experience.

Highlights
  • Physics engine simulation
  • Random ball generation
  • Random number generation
  • Creative utility tool
  • Automatic subscription option
Features
Read full description

A creative app that simulates the movement of a ball in a container, based on a real physics engine, a fun random ball generator and random number generator. It is a must-have gadget at home. ----------------------------------- 【Lotto Engine 3D Automatic Subscription Instructions】 1. Service Name: Lotto Engine 3D Weekly Subscription 2. Subscription period: 1 week 3. Price: $1.99 4. If you need to cancel the subscription, please manually open the "Settings" of iOS --> go to "iTunes Store & App Store" --> click "Apple ID", select "View Apple ID", enter the "Account Settings" page, click "Subscriptions", and select Lotto Engine 3D Weekly Subscription to cancel the subscription. If you do not close your subscription at least 24 hours before the end of the period, it will automatically renew. 5. Service Agreement (including rules for automatic subscription of super members): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ 6. Privacy Agreement: https://github.com/denghejun/lotto_engine_tech_support/blob/main/privacy.md

About

PURIAMI

Features
Read full description

Immerse yourself in a world of soothing scents with our intelligent control app, which has been specially developed to connect to the Bluetooth of PURIAMI scent devices. To do this, go into the immediate vicinity of the fragrance device to establish a connection via Bluetooth. Enjoy a fascinating and unforgettable scent atmosphere by simply using the following functions: - Switching the device on and off - Customize the device name - General control and overview of all existing devices - Individual adjustments and settings for operating the device (e.g. time, days of the week, etc.) - Display of the current scent level in % - Add comments to the respective device - Changing the password - Checking the PC board version and the software version

Screenshots

Lotto Engine 3D3 screens
PURIAMI4 screens

Verdict

The call

The clearest difference is in-app purchases: PURIAMI at none against Lotto Engine 3D's 2. Lotto Engine 3D's advantage is update cadence (daily vs every 23 months) and iOS requirement (13.0 vs 15.6). On price, ads and device support 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. Lotto Engine 3D sells 2 in-app purchases, starting at $1.99 per 7 days. PURIAMI asks for nothing beyond the download.

UpkeepUpdate frequency

Lotto Engine 3D ships an update daily, PURIAMI every 23 months. The most recent releases landed on September 11, 2026 and September 9, 2026 respectively.

Scorecard3 real differences · 6 level
Lotto Engine 3D versus PURIAMI: the parameters behind the verdict, then further details
ParameterLotto Engine 3DPURIAMI
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyDaily — betterEvery 23 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscription—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size19 MB3 MB
Age rating4+4+
Developer何均 邓PURIAMI AG

In-app purchases

2 purchases

Lotto Engine 3D

Subscriptions1
  • Lotto Engine 3D Weekly Subs$1.997 Days
One-time1
  • Lotto Engine 3D Lifetime Right$3.99
None

PURIAMI

No in-app purchases

Questions

Is Lotto Engine 3D free?
Lotto Engine 3D is free to download, with in-app purchases available.
Is PURIAMI free?
PURIAMI is free to download, with no in-app purchases.
Do Lotto Engine 3D or PURIAMI have ads?
Neither Lotto Engine 3D nor PURIAMI shows ads.
Which is updated more often, Lotto Engine 3D or PURIAMI?
Lotto Engine 3D ships an update daily, and PURIAMI every 23 months. Most recently, Lotto Engine 3D was updated on September 11, 2026 and PURIAMI on September 9, 2026.

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