# ExpiWell vs MTutor

The clearest difference is update cadence: ExpiWell at every 5 days against MTutor's every 10 months. ExpiWell also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ExpiWell ships an update every 5 days, MTutor every 10 months. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ExpiWell | MTutor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.5K ratings)](https://appshunter.io/ios/app/expiwell/id1070733440/reviews)** | — |
| Number of ratings | **1.5K** | — |
| Positive reviews | 39.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 5 days** | Every 10 months |
| Monetization | Free | — |
| Size | 35 MB | 21 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Expiwell, Inc.](https://appshunter.io/developer/1070733439) | [Benjamin Akason](https://appshunter.io/developer/1759898393) |

## What reviewers say

### ExpiWell

[App page](https://appshunter.io/ios/app/expiwell/id1070733440)

This app facilitates experience sampling and ecological momentary assessment for research. It allows users to share opinions and experiences through surveys and daily diaries, ensuring data privacy. Researchers can collect valuable insights through this platform.

**Highlights:** Experience sampling method (ESM), Ecological momentary assessment (EMA), Surveys and mood tracking, Daily diary entries, Just-in-time adaptive interventions (JITAI), Digital ethnography

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Straightforward experience
- 🚀 Clean and easy to use
- 💡 Fascinating app

**What reviewers complain about**

- 🐛 Keeps signing users out
- 🐛 App shuts down
- 🐛 Slow performance
- 🐛 Frequent updates

**Reported bugs**

- Login issues
- Incompatibility with certain devices
- Crashing during surveys

**Requested features**

- Better notification system
- More seamless interface


### MTutor

[App page](https://appshunter.io/ios/app/mtutor/id6587553419)

**In-app purchases:** none


## Frequently asked questions

### Is ExpiWell free?

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

### Is MTutor free?

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

### Which is updated more often, ExpiWell or MTutor?

ExpiWell ships an update every 5 days, and MTutor every 10 months. Most recently, ExpiWell was updated on October 14, 2026 and MTutor on October 3, 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.*