# Flexwell AI Supplement Coach vs StackProof

Flexwell AI Supplement Coach and StackProof are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Flexwell AI Supplement Coach sells 2 in-app purchases, starting at $4.99 per month and StackProof sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Flexwell AI Supplement Coach ships an update every 5 days, StackProof weekly. The most recent releases landed on August 5, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Flexwell AI Supplement Coach | StackProof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flexwell-ai-supplement-coach/id6762058388/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Freemium | — |
| Size | 49 MB | 42 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Micawber Media LLC](https://appshunter.io/developer/1001000555) | [joel Saucedo Lozano](https://appshunter.io/developer/1895885764) |

## What reviewers say

### Flexwell AI Supplement Coach

[App page](https://appshunter.io/ios/app/flexwell-ai-supplement-coach/id6762058388)

This app helps you track your supplements, medications, and health data to understand potential correlations. It visualizes trends in sleep, recovery, and heart rate to help you make informed wellness decisions.

**Highlights:** Track supplements, medications, and peptides, Connect health data and wearable metrics, View trends in sleep, recovery, and heart rate, Correlate wellness routine with health changes, Receive proactive wellness insights, Organize daily supplement stack, Make informed wellness decisions

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flexwell Premium Monthly | $4.99 | per month |
| Flexwell Premium Yearly | $49.99 | per year |


### StackProof

[App page](https://appshunter.io/ios/app/stackproof-supplement-tracker/id6764703324)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $34.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Flexwell AI Supplement Coach free?

Flexwell AI Supplement Coach is free to download, with in-app purchases available.

### Is StackProof free?

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

### Do Flexwell AI Supplement Coach or StackProof have ads?

Neither Flexwell AI Supplement Coach nor StackProof shows ads.

### Which is updated more often, Flexwell AI Supplement Coach or StackProof?

Flexwell AI Supplement Coach ships an update every 5 days, and StackProof weekly. Most recently, Flexwell AI Supplement Coach was updated on August 5, 2026 and StackProof on September 15, 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.*