# Anchor vs StackProof

The clearest difference is in-app purchases: Anchor at none against StackProof's 3. StackProof's advantage is update cadence (weekly vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. StackProof sells 3 in-app purchases, starting at $1.99 per month. Anchor asks for nothing beyond the download.

Anchor ships an update every 6 weeks, StackProof weekly. The most recent releases landed on September 28, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Anchor | StackProof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/anchor-surgery-recovery/id6753215962/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 31 MB | 42 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Ramandeep Dhaliwal](https://appshunter.io/developer/1843111388) | [joel Saucedo Lozano](https://appshunter.io/developer/1895885764) |

## What reviewers say

### Anchor

[App page](https://appshunter.io/ios/app/anchor-surgery-recovery/id6753215962)

This app helps you manage your post-surgery recovery by tracking your progress, providing personalized guidance, and offering essential information. Monitor pain, mobility, and mood, visualize trends, and receive timely reminders for exercises and appointments to stay informed and motivated.

**Highlights:** Daily recovery quizzes, Progress visualization with graphs, Calendar reminders for appointments, Personalized recovery recommendations, Surgery-specific information and tips, Motivation and progress tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Anchor free?

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

### Is StackProof free?

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

### Do Anchor or StackProof have ads?

Neither Anchor nor StackProof shows ads.

### Which is updated more often, Anchor or StackProof?

Anchor ships an update every 6 weeks, and StackProof weekly. Most recently, Anchor was updated on September 28, 2026 and StackProof on October 2, 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.*