# Formasync Trainer vs Polyphasic Sleep Tracker

The clearest difference is price: Formasync Trainer at Free against Polyphasic Sleep Tracker's $2.49. Formasync Trainer also leads on rating (5.0 vs 3.6) and update cadence (every 3 weeks vs every 7 months). Polyphasic Sleep Tracker's advantage is in-app purchases (none vs 4) and ratings volume (5 vs 1). On ads, device support and iOS requirement there is nothing between them.

Formasync Trainer is free to download; Polyphasic Sleep Tracker costs $2.49 up front. Formasync Trainer sells 4 in-app purchases, starting at $4.99 per month. Polyphasic Sleep Tracker asks for nothing beyond the download.

Formasync Trainer holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Polyphasic Sleep Tracker has 5 ratings behind it against 1, so its average is the more settled of the two.

Formasync Trainer ships an update every 3 weeks, Polyphasic Sleep Tracker every 7 months. The most recent releases landed on June 20, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Formasync Trainer | Polyphasic Sleep Tracker |
| --- | --- | --- |
| Price | **Free** | $2.49 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/formasync-trainer/id1357929928/reviews)** | [3.6 (5 ratings)](https://appshunter.io/ios/app/polyphasic-sleep-tracker/id6449134102/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | — | 62.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Monetization | Subscription | **Paid** |
| Size | 40 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Formasync](https://appshunter.io/developer/1357929927) | [FiveSheep OU](https://appshunter.io/developer/1725654318) |

## What reviewers say

### Formasync Trainer

[App page](https://appshunter.io/ios/app/formasync-trainer/id1357929928)

This app provides guided fitness workouts designed for the Apple Watch, offering real-time feedback and speech synthesis to keep you focused. It allows for personalized training adjustments and includes various subscription tiers for access to different program levels.

**Highlights:** Apple Watch native app, Speech synthesis for guidance, Real-time workout feedback, Customizable training progression, Multiple subscription program levels, Companion iPhone app and website

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard Programs Monthly | $4.99 | per month |
| Featured Programs Monthly | $9.99 | per month |
| Standard Programs Yearly | $49.99 | per year |
| Featured Programs Yearly | $99.99 | per year |


### Polyphasic Sleep Tracker

[App page](https://appshunter.io/ios/app/polyphasic-sleep-tracker/id6449134102)

This app helps you master polyphasic sleep schedules to optimize your waking hours. It offers customizable plans, smart reminders, and HealthKit integration to track and adjust your sleep patterns.

**Highlights:** Customizable sleep plans, Smart sleep reminders, HealthKit integration, Dark mode, Multiple sleep schedule options

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

**In-app purchases:** none


## Frequently asked questions

### Is Formasync Trainer free?

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

### Is Polyphasic Sleep Tracker free?

Polyphasic Sleep Tracker costs $2.49, with no in-app purchases.

### Which has better reviews, Formasync Trainer or Polyphasic Sleep Tracker?

Formasync Trainer is rated higher. Formasync Trainer averages 5.0 out of 5 from 1 ratings, while Polyphasic Sleep Tracker averages 3.6 from 5 ratings.

### Do Formasync Trainer or Polyphasic Sleep Tracker have ads?

Neither Formasync Trainer nor Polyphasic Sleep Tracker shows ads.

### Which is updated more often, Formasync Trainer or Polyphasic Sleep Tracker?

Formasync Trainer ships an update every 3 weeks, and Polyphasic Sleep Tracker every 7 months. Most recently, Formasync Trainer was updated on June 20, 2026 and Polyphasic Sleep Tracker on September 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*