Comparison

Mentor Breast Simulator vs Spark In Time

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

Head to head
About

Mentor Breast Simulator

Visualize different breast implant sizes and shapes in 3D augmented reality. Make informed decisions about your desired look with real-time simulations. All your images are stored securely on your phone.

Highlights
  • 3D Augmented Reality Simulation
  • Visualize implant sizes and shapes
  • Real-time visualization
  • Informed decision-making
  • Secure on-device image storage
Features
Read full description

Empower your breast augmentation journey with our 3D AR simulator. Visualize, decide, and unleash confidence! Download now. Elevate your confidence with our 3D Augmented Reality Breast Simulator app! Visualize different sizes and shapes in real-time, empowering you to make informed decisions about your desired breast augmentation look. Enjoy peace of mind with our app. Your journey is yours alone, as all your images are stored on your phone. Complete registration, download the app, and begin simulating!

About

Spark In Time

Features
Read full description

We spend our lives weaving through thousands of moments, but how many do we actually keep? Spark In Time is a private digital canvas designed to capture the fleeting threads of your day before they unravel. Built from the ground up with a privacy-first architecture, it’s a minimalist journaling experience that respects your headspace, your data, and your legacy. Whether it’s a major life milestone or a quiet afternoon reflection, Spark In Time turns your daily entries into a beautifully searchable, lasting tapestry. KEY FEATURES: The Full Spectrum of Headspace: Logging your mood shouldn't be a chore. Tap a 'Headspace' pill to set the tone. Choose from Joyful, Grateful, Content, Reflective, Wise Guy, Restless, or Heavy. The app offers tailored, empathetic prompts for every state of mind—from deep self-reflection to sarcastic observations. The Matrix of Your Mind: Go beyond simple text. Visualize your emotional rhythms with advanced Diverging Energy Charts. See exactly which areas of your life—Work, Family, Health, or Creative pursuits—are fueling your joy or adding weight to your week. The "Home Run" Highlight: Not all days are equal. Tap the Home Run button to spotlight major life events, ensuring your biggest milestones always stand out in your timeline. Lightning-Fast Pro-Search: Your history, instantly accessible. Use advanced tokens like #Family or cat:Travel to filter your timeline in milliseconds. The Memory Spark: Relive your journey. Spark In Time automatically surfaces "Sparks" from three months or a year ago, allowing you to see exactly how much you’ve grown. Beautiful PDF "Spark Books": Don't let your memories get trapped on a screen. Compile your filtered timeline into a professionally formatted PDF, ready for sharing, printing, or archiving. Dynamic Canvas Themes: Customize your space with elegant background patterns like Pinstripes, Polka Dots, or Sparks that shift to match your selected mood. ARCHITECTED FOR PRIVACY Your life isn't content for an algorithm. Spark In Time utilizes a 100% local database with SwiftData and iCloud synchronization. No Accounts: No emails to provide, no passwords to forget. Biometric Security: Lock your journal with FaceID or TouchID. Zero Tracking: No ads, no third-party analytics, and absolutely no data harvesting. Apple Ecosystem Native: Seamlessly sync your Sparks across iPhone and Mac. Stop scrolling. Start stitching. Capture the spark today.

Screenshots

Mentor Breast Simulator4 screens
Spark In Time3 screens

Verdict

The call

The clearest difference is price: Mentor Breast Simulator at Free against Spark In Time's $1.99. Mentor Breast Simulator also leads on iOS requirement (18.0 vs 26.0). Spark In Time's advantage is update cadence (every 9 days vs every 3 weeks). On ads, in-app purchases 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

Mentor Breast Simulator is free to download; Spark In Time costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Mentor Breast Simulator ships an update every 3 weeks, Spark In Time every 9 days. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
Mentor Breast Simulator versus Spark In Time: the parameters behind the verdict, then further details
ParameterMentor Breast SimulatorSpark In Time
PriceFree — better$1.99
Rating3.9 (157 ratings) — better—
Positive reviews39.0% of reviews—
Number of ratings157 — better—
Update frequencyEvery 3 weeksEvery 9 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhoneiPhone, iPad — better
Requires iOS18.0 — better26.0
Further details — not scored
Size790 MB10 MB
Age rating17+4+
DeveloperArbrea LabsSoftline Digital Solutions

Bugs and requests

Mentor Breast Simulator

Reported bugs

15 issues
  • App crashes after taking photos
  • App crashes when processing simulator
  • App crashes when taking pictures
  • App crashes before taking picture
  • App crashes between 1st and 3rd picture
Show 10 more
  • App crashes immediately after snapping a picture
  • App freezes up
  • App closes and doesn't save pictures
  • App glitches and kicks user out
  • App restarts during picture setup
  • App closes while trying to set up pictures
  • App picks CCs and won't let user change
  • Camera points don't align
  • Simulator only goes up to 450cc
  • Recent update removed CC visualization

Requested features

4 requests
  • Allow users to change CC size
  • Increase CC size options
  • Allow breast lifting simulation
  • Provide more realistic sizing/CC information

Spark In Time

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Mentor Breast Simulator

No in-app purchases

None

Spark In Time

No in-app purchases

Questions

Is Mentor Breast Simulator free?
Mentor Breast Simulator is free to download, with no in-app purchases.
Is Spark In Time free?
Spark In Time costs $1.99, with no in-app purchases.
Do Mentor Breast Simulator or Spark In Time have ads?
Neither Mentor Breast Simulator nor Spark In Time shows ads.
Which is updated more often, Mentor Breast Simulator or Spark In Time?
Mentor Breast Simulator ships an update every 3 weeks, and Spark In Time every 9 days. Most recently, Mentor Breast Simulator was updated on October 29, 2026 and Spark In Time on October 25, 2026.

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