# mEinstein vs TrackWhen

The clearest difference is rating: TrackWhen at 4.1 against mEinstein's 3.5. TrackWhen also leads on ads (none vs shown) and update cadence (every 6 days vs monthly). mEinstein's advantage is in-app purchases (none vs 5). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. TrackWhen sells 4 in-app purchases, starting at $0.99 per 7 days. mEinstein asks for nothing beyond the download.

TrackWhen holds the better App Store score, 4.1 against 3.5. Both are backed by a comparable volume of ratings — 4 and 10 respectively.

mEinstein ships an update monthly, TrackWhen every 6 days. The most recent releases landed on September 10, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | mEinstein | TrackWhen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (4 ratings)](https://appshunter.io/ios/app/meinstein/id6446581528/reviews) | **[4.1 (10 ratings)](https://appshunter.io/ios/app/trackwhen/id6744548530/reviews)** |
| Number of ratings | 4 | **10** |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 469 MB | 52 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [mEinstein LLC](https://appshunter.io/developer/1529132342) | [Eduardo Ozanan Correia](https://appshunter.io/developer/1808115407) |

## What reviewers say

### mEinstein

[App page](https://appshunter.io/ios/app/meinstein/id6446581528)

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.

**Highlights:** Ethical data marketplace, AI companion with LLM, Personalized recommendations, Data ownership and control, Local data storage, Transparent data monetization

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### TrackWhen

[App page](https://appshunter.io/ios/app/trackwhen/id6744548530)

Easily track important life events, counting down to upcoming dates or reflecting on time passed since past ones. This private and customizable app offers iCloud sync, Siri integration, and home screen widgets for quick access.

**Highlights:** 100% Private data storage, Count Up and Countdown tracking, iCloud sync across devices, Siri integration for hands-free access, Live Activity countdowns, Calendar import, Customizable categories and widgets

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Week Access | $0.99 | per 7 days |
| 1-Month Subscription | $2.99 | per month |
| 12-Month Access | $5.99 | per year |
| Lifetime Access | $12.99 | one-time |


## Frequently asked questions

### Is mEinstein free?

mEinstein is free to download, with no in-app purchases.

### Is TrackWhen free?

TrackWhen is free to download, with in-app purchases available.

### Which has better reviews, mEinstein or TrackWhen?

TrackWhen is rated higher. mEinstein averages 3.5 out of 5 from 4 ratings, while TrackWhen averages 4.1 from 10 ratings.

### Do mEinstein or TrackWhen have ads?

mEinstein shows ads; TrackWhen does not.

### Which is updated more often, mEinstein or TrackWhen?

mEinstein ships an update monthly, and TrackWhen every 6 days. Most recently, mEinstein was updated on September 10, 2026 and TrackWhen on September 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*