# Function Health vs Hindsight by TUSHY

The clearest difference is in-app purchases: Function Health at none against Hindsight by TUSHY's 2. Function Health also leads on ratings volume (25K vs 9) and update cadence (weekly vs every 4 weeks). On price, rating, ads and device support there is nothing between them.

Both are free to download. Hindsight by TUSHY sells 2 in-app purchases, starting at $4.99 per month. Function Health asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Function Health against 5.0 for Hindsight by TUSHY. That said, the two scores are not equally well evidenced: Function Health has 25K ratings behind it against 9, so its average is the more settled of the two.

Function Health ships an update weekly, Hindsight by TUSHY every 4 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Function Health | Hindsight by TUSHY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (25K ratings)](https://appshunter.io/ios/app/function-health/id6471280307/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/hindsight-by-tushy/id6744321909/reviews)** |
| Number of ratings | **25K** | 9 |
| Positive reviews | 61.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 weeks |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 203 MB | 35 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Function Health](https://appshunter.io/developer/1715014524) | [Tushy Inc](https://appshunter.io/developer/1807068393) |

## What reviewers say

### Function Health

[App page](https://appshunter.io/ios/app/function-health/id6471280307)

Take control of your health with comprehensive lab testing, personalized protocols, and AI-powered insights. Understand your body's data, track changes over time, and make informed decisions for long-term wellness. Connect wearables and upload records for a complete health picture.

**Highlights:** 160+ lab tests annually, Personalized health protocols, Private AI Chat for results, Connect health wearables, Advanced MRI & CT scans, Upload health records

**Features:** Apple Wallet

**In-app purchases:** none

**What reviewers like**

- 🚀 Seamless process for blood tests and results
- 📊 Comprehensive health insights and tracking
- 🧠 Helpful clinician notes and recommendations
- 👍 User-friendly and visually appealing app
- 💰 Affordable compared to other options

**What reviewers complain about**

- 🔍 Lack of communication and support responsiveness
- 🐛 Some bugs and usability issues in the app

**Reported bugs**

- App sometimes redirects back to the home screen when trying to view results
- Occasional typos and formatting issues in the app

**Requested features**

- More customization options in the app settings
- Ability to print or export test results and recommendations
- Specific supplement recommendations rather than broad suggestions


### Hindsight by TUSHY

[App page](https://appshunter.io/ios/app/hindsight-by-tushy/id6744321909)

Log bathroom visits and track gut health with AI-powered insights. Understand your body's signals to improve daily wellness and identify patterns without complex jargon. Designed for anyone seeking better gut health awareness.

**Highlights:** AI-powered logging of bathroom visits, Gut health assessment without guesswork, Pattern identification and habit tracking, Daily analytics and wellness insights, Symptom and habit input, Connects bathroom output to body status

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tushy Plus | $4.99 | per month |
| Tushy Plus | $49.99 | per year |


## Frequently asked questions

### Is Function Health free?

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

### Is Hindsight by TUSHY free?

Hindsight by TUSHY is free to download, with in-app purchases available.

### Which has better reviews, Function Health or Hindsight by TUSHY?

Hindsight by TUSHY is rated higher. Function Health averages 4.9 out of 5 from 25K ratings, while Hindsight by TUSHY averages 5.0 from 9 ratings.

### Do Function Health or Hindsight by TUSHY have ads?

Neither Function Health nor Hindsight by TUSHY shows ads.

### Which is updated more often, Function Health or Hindsight by TUSHY?

Function Health ships an update weekly, and Hindsight by TUSHY every 4 weeks. Most recently, Function Health was updated on October 26, 2026 and Hindsight by TUSHY on October 24, 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.*