# Frontier X vs Simple Lifts

The clearest difference is in-app purchases: Simple Lifts at none against Frontier X's 2. Simple Lifts also leads on rating (5.0 vs 4.6) and review sentiment (100% vs 82%). Frontier X's advantage is ratings volume (318 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Frontier X sells 2 in-app purchases, starting at $14.99 per month. Simple Lifts asks for nothing beyond the download.

Simple Lifts holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Frontier X has 318 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 82% of Frontier X's written reviews are positive against 100% of Simple Lifts's.

Frontier X ships an update every 2 weeks, Simple Lifts every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Frontier X | Simple Lifts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (318 ratings)](https://appshunter.io/ios/app/frontier-x/id1483444499/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simple-lifts/id6761375608/reviews)** |
| Number of ratings | **318** | 1 |
| Positive reviews | 81.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Freemium | **Free** |
| Size | 569 MB | 43 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fourth Frontier Technologies Private Limited](https://appshunter.io/developer/1331846764) | [Davin Preble](https://appshunter.io/developer/1889204837) |

## What reviewers say

### Frontier X

[App page](https://appshunter.io/ios/app/frontier-x/id1483444499)

Track your heart health and exercise performance with a smart chest strap wearable. Get detailed insights into heart rate, HRV, strain, and more, with personalized training feedback and alerts. Integrates with other devices and offers advanced analytics through a premium subscription.

**Highlights:** Heart health and performance tracking, Real-time heart rate and HRV monitoring, Personalized vibration alerts, Activity recording up to 24 hours, Integration with Bluetooth wearables, AI-enabled training insights, Metabolic Profile Analytics (Premium)

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $14.99 | per month |
| Yearly | $119.99 | per year |

**What reviewers like**

- 🚀 Amazing device
- 👍 Great HR data and insight
- 👍 Helpful in gaining more data
- 👍 Fantastic concept with excellent execution
- 👍 Loads of useful information

**What reviewers complain about**

- 🐛 Worse and worse as time goes by
- 🐛 ECG doesn't work
- 🐛 Chest strap issues, device keeps popping out
- 🐛 Paywalled functionality
- 🐛 Syncing issues, device keeps disconnecting

**Reported bugs**

- ECG stopped working
- Inaccurate breathing rate and other metrics
- Inability to edit activity details for indoor workouts
- Syncing issues with Garmin devices after firmware updates

**Requested features**

- Add interval markers
- Improve integration with Apple Fitness/Fitness+
- Add support for ANT+
- Improve compatibility with other fitness apps and devices
- Add more customization options for workouts


### Simple Lifts

[App page](https://appshunter.io/ios/app/simple-lifts/id6761375608)

This weightlifting tracker helps men get stronger and stay consistent by logging sets, tracking progress, and automatically calculating the next session's weight. It removes guesswork with data-driven insights and features like personal record tracking and rest timers.

**Highlights:** Log sets with weight, reps, and effort, Auto-progression calculates next weight, Personal records tracked automatically, Rest timer with circular countdown, Streak tracking for consistency, Weekly volume chart, Custom programs and exercises

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Frontier X free?

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

### Is Simple Lifts free?

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

### Which has better reviews, Frontier X or Simple Lifts?

Simple Lifts is rated higher. Frontier X averages 4.6 out of 5 from 318 ratings, while Simple Lifts averages 5.0 from 1 ratings.

### Do Frontier X or Simple Lifts have ads?

Neither Frontier X nor Simple Lifts shows ads.

### Which is updated more often, Frontier X or Simple Lifts?

Frontier X ships an update every 2 weeks, and Simple Lifts every 3 weeks. Most recently, Frontier X was updated on November 3, 2026 and Simple Lifts 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.*