Comparison

BioAi vs Shimmer

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

Head to head
About

BioAi

This AI-powered companion helps you understand your emotional patterns. Track your mood, journal your thoughts, and receive instant AI-driven insights to improve self-awareness and decision-making.

Highlights
  • AI-powered mental health companion
  • Mood tracking
  • Daily reflection journaling
  • AI-driven behavioral pattern analysis
  • Emotional awareness improvement
  • Decision-making support
Features
Read full description

BioAi is a simple, fast, and private AI-powered companion. You can track your mood, write daily reflections, and instantly get explanations from advanced AI models. The goal is to help you understand patterns in your behavior, improve emotional awareness, and make better decisions day to day.

About

Shimmer

Read full description

Eat in sync with your cycle. Shimmer helps you understand how your meals may support your hormones, energy, mood, cravings, and bloating with personalized, cycle-aware nutrition guidance designed for women. Snap a photo of your food, get an instant breakdown, and discover smarter choices for each phase of your cycle. Whether you're trying to feel more balanced, reduce PMS-related struggles, or build better habits, Shimmer makes hormone-friendly eating simple and actionable. Why women use Shimmer Scan meals and get instant food insights Discover cycle-syncing nutrition guidance Learn which foods may support energy, mood, focus, and wellness Get personalized tips based on your cycle phase Track patterns over time and make more informed choices Build a daily routine that feels supportive, not restrictive What you can do with Shimmer Identify meals with a quick food scan See nutrition and wellness-focused insights Get daily food guidance tailored to your current phase Understand foods that may help with cravings and bloating Stay more connected to your body throughout your cycle Shimmer is designed to make healthy eating feel easier, clearer, and more personalized, so you can feel more in tune with your body every day. Download Shimmer and start making food choices that work with your cycle, not against it. Premium Subscription Required All features listed above require a premium subscription. A subscription is optional and provides access to full functionality, including AI meal recognition, cycle-aware nutrition guidance, personalized insights, wellness tracking, recipes, and scan history. Subscription Information: • Payment will be charged to your Apple ID account at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period • You can manage or cancel your subscription in your Apple ID Account Settings Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://shimmerus.app/privacy Terms of Service: https://shimmerus.app/terms

Screenshots

BioAi3 screens
Shimmer4 screens

Verdict

The call

The clearest difference is ads: BioAi at none against Shimmer's shown. On price, update cadence, 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

Both are free to download. BioAi sells 2 in-app purchases, starting at $9.99 per month and Shimmer sells 5 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

BioAi ships an update fortnightly, Shimmer monthly. Both last shipped on September 28, 2026.

Scorecard1 real difference · 9 level
BioAi versus Shimmer: the parameters behind the verdict, then further details
ParameterBioAiShimmer
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyFortnightly — betterMonthly
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.1
Further details — not scored
Size40 MB93 MB
Age rating17+4+
DeveloperDAMIEN ALEXANDER SCHMIDTHanna Solutions LLC

In-app purchases

2 purchases

BioAi

Subscriptions2
  • BioAI Premium3 Days trial$9.991 Month
  • BioAI Premium3 Days trial$79.991 Year
5 purchases

Shimmer

Subscriptions5
  • Shimmer Weekly$7.997 Days
  • Premium Monthly$9.991 Month
  • Premium 3 Months$24.993 Months
Show 2 more
  • Premium Yearly$59.991 Year
  • Premium Yearly$79.991 Year

Questions

Is BioAi free?
BioAi is free to download, with in-app purchases available.
Is Shimmer free?
Shimmer is free to download, with in-app purchases available.
Do BioAi or Shimmer have ads?
Shimmer shows ads; BioAi does not.
Which is updated more often, BioAi or Shimmer?
BioAi ships an update fortnightly, and Shimmer monthly. Most recently, BioAi was updated on September 28, 2026 and Shimmer on September 28, 2026.

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