mEinstein vs CalMirror
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
mEinstein
This app empowers users to control and monetize their personal data through an ethical marketplace. It also acts as an AI companion, offering personalized insights and recommendations powered by generative models. Your data is stored locally, ensuring privacy and security.
- Ethical data marketplace
- AI companion with LLM
- Personalized recommendations
- Data ownership and control
- Local data storage
- Transparent data monetization
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Transform your data into a valuable asset with mEinstein, the pioneering ethical data marketplace and AI companion. Data Revolution: Seize control of your data, shifting it from a commodity to your most precious resource. Sell it consensually, fairly, and transparently. AI Reinvented: Immerse yourself in the future of AI, powered by generative models, including Large Language Models (LLM). Receive personalized recommendations and unique insights tailored to your needs. Data Ownership: At mEinstein, your data remains exclusively yours. We empower users to determine how and when they want to monetize their information. Privacy Matters: Your privacy and security are our top priority. All your data is stored locally on your device. Global Community: Join our mission to create an ethical data ecosystem, advocating for transparency, inclusivity, and fairness. Data Intelligence: Make well-informed decisions with precise, pertinent data, and unlock the potential of personalized AI. Embark on your data journey with mEinstein. It's time to shape the future of data responsibly, innovatively, and empoweringly. Get ready to harness the true potential of your data. Download mEinstein now!
CalMirror
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Have you got 2 or 3 Google accounts? Work, personal, side projects — calendars all over the place, double bookings, endless copy-paste? CalMirror automatically mirrors events between your multiple Google Calendars. ------------------ PERFECT FOR • People with separate work and personal Google accounts • Side hustlers who don't want freelance work showing on their main calendar • Freelancers who want to share busy times — not details — with family • Anyone working across multiple Google Workspaces KEY FEATURES • Auto sync events from Calendar A to Calendar X • Replace titles and notes (e.g., "Client X meeting" → "Busy") • Color conversion rules • Filter out events you don't want to sync (Pro) • Auto-delete sync (Pro) • Run multiple sync rules in parallel (Pro) FREE / PRO • Free: 1 sync rule • Pro ($3.99/month): Unlimited rules + filters + deletion sync PRIVACY • Calendar data is never stored on our servers • Official Google OAuth 2.0 authentication REQUIREMENTS iOS 16+ / Google account ------------------ Terms of Use: https://cal-mirror.bad-company.jp/terms Privacy Policy: https://cal-mirror.bad-company.jp/privacy Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: mEinstein at none against CalMirror's 2. CalMirror's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.6). On price, update cadence and ads 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. CalMirror sells 2 in-app purchases, starting at $2.99 per month. mEinstein asks for nothing beyond the download.
mEinstein ships an update every 2 weeks, CalMirror every 3 weeks. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.
| Parameter | mEinstein | CalMirror |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (4 ratings) — better | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 469 MB | 40 MB |
| Age rating | 17+ | 4+ |
| Developer | mEinstein LLC | bad-company Incorporated |
In-app purchases
mEinstein
No in-app purchases
CalMirror
- Premium Monthly$2.991 Month
- Premium Yearly$29.991 Year









