# FORM Swim vs Luminarys

The clearest difference is update cadence: Luminarys at daily against FORM Swim's every 2 weeks. FORM Swim's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. FORM Swim sells 3 in-app purchases, starting at $14.99 per month and Luminarys sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

FORM Swim ships an update every 2 weeks, Luminarys daily. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | FORM Swim | Luminarys |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3.5K ratings)](https://appshunter.io/ios/app/form-swim/id1321117442/reviews)** | — |
| Number of ratings | **3.5K** | — |
| Positive reviews | 51.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 219 MB | 18 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Form Athletica](https://appshunter.io/developer/1321117441) | [Zaldy Bernabe Bughaw](https://appshunter.io/developer/683889525) |

## What reviewers say

### FORM Swim

[App page](https://appshunter.io/ios/app/form-swim/id1321117442)

This app acts as an underwater coach, providing real-time visual feedback through smart goggles to improve swimming technique and performance. It offers guided workouts, open water navigation, and detailed post-swim analysis, syncing data with popular fitness platforms.

**Highlights:** Real-time in-goggle coaching, Open water digital compass, Guided pool workouts, Workout generation from text, Comprehensive swim metric analysis, Automatic data syncing

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FORM Membership | $14.99 | per month |
| FORM Membership | $119.00 | per year |
| FORM Premium Annual | $119.00 | per year |

**What reviewers like**

- 🚀 Real-time metrics and data
- 👍 Comfortable and well-designed goggles
- 💡 Motivating and engaging workout features
- 🔍 Detailed swim analytics and tracking
- 🤝 Responsive and helpful customer service

**What reviewers complain about**

- 🔒 Subscription required to access full features
- 🔍 Inaccurate data tracking and stroke detection
- 👀 Reduced field of vision with goggles
- 🤔 Confusing and cluttered app interface
- 🐛 Connectivity and syncing issues

**Reported bugs**

- Timer and distance tracking inconsistencies
- App crashes and freezes
- Unreliable heart rate monitoring

**Requested features**

- Ability to create custom workouts
- Integration with other fitness platforms (e.g. Garmin, Apple Health)
- Open water swim distance tracking without GPS
- Current lap time display during swim
- Export data for long-term analysis


### Luminarys

[App page](https://appshunter.io/ios/app/luminarys/id6760375603)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $3.99 | per month |
| Annual Premium | $24.99 | per year |
| Lifetime Premium | $49.99 | one-time |


## Frequently asked questions

### Is FORM Swim free?

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

### Is Luminarys free?

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

### Do FORM Swim or Luminarys have ads?

Neither FORM Swim nor Luminarys shows ads.

### Which is updated more often, FORM Swim or Luminarys?

FORM Swim ships an update every 2 weeks, and Luminarys daily. Most recently, FORM Swim was updated on November 6, 2026 and Luminarys 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.*