# Endorphun vs WeightSync

The clearest difference is in-app purchases: Endorphun at none against WeightSync's 3. WeightSync's advantage is update cadence (every 5 days vs monthly) and iOS requirement (17.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. WeightSync sells 3 in-app purchases, starting at $0.99 per month. Endorphun asks for nothing beyond the download.

Endorphun ships an update monthly, WeightSync every 5 days. The most recent releases landed on October 14, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Endorphun | WeightSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/weightsync-athlete-weight-log/id6757109803/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 3 MB | 7 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Fanny Wijaya Halim](https://appshunter.io/developer/1510556595) | [Andre Moura](https://appshunter.io/developer/1864639204) |

## What reviewers say

### Endorphun

[App page](https://appshunter.io/ios/app/endorphun/id6742233351)

**Features:** Vision Pro support

**In-app purchases:** none


### WeightSync

[App page](https://appshunter.io/ios/app/weightsync-athlete-weight-log/id6757109803)

Automatically syncs your weight data from Apple Health to Strava without manual entry. Supports Apple Watch, home screen widgets, and smart notifications for seamless tracking. Offers premium features like weight evolution charts and weekly reports.

**Highlights:** Automatic weight sync to Strava, Background processing, Apple Watch logging and complications, Home screen widgets, Streak and milestone tracking, Weight evolution chart (Premium), Weekly reports (Premium), CSV export

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month | $0.99 | per month |
| One Year | $9.99 | per year |
| Lifetime Premium | $14.99 | one-time |


## Frequently asked questions

### Is Endorphun free?

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

### Is WeightSync free?

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

### Do Endorphun or WeightSync have ads?

Neither Endorphun nor WeightSync shows ads.

### Which is updated more often, Endorphun or WeightSync?

Endorphun ships an update monthly, and WeightSync every 5 days. Most recently, Endorphun was updated on October 14, 2026 and WeightSync on October 31, 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.*