# Heavier vs Liftosaur

The clearest difference is rating: Liftosaur at 4.9 against Heavier's 4.2. Liftosaur also leads on ratings volume (417 vs 13) and device support (3 vs 1). Heavier's advantage is in-app purchases (none vs 3). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Liftosaur sells 3 in-app purchases, starting at $4.99 per month. Heavier asks for nothing beyond the download.

Liftosaur holds the better App Store score, 4.9 against 4.2. That said, the two scores are not equally well evidenced: Liftosaur has 417 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 83% of Heavier's written reviews are positive against 90% of Liftosaur's.

Heavier ships an update every 4 days, Liftosaur weekly. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Heavier | Liftosaur |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (13 ratings)](https://appshunter.io/ios/app/heavier/id1543576981/reviews) | **[4.9 (417 ratings)](https://appshunter.io/ios/app/liftosaur-scriptable-workouts/id1661880849/reviews)** |
| Number of ratings | 13 | **417** |
| Positive reviews | 83.3% of reviews | **89.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 34 MB | 64 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [Strategic Information Services](https://appshunter.io/developer/1543576983) | [Liftosaur, LLC](https://appshunter.io/developer/1712548690) |

## What reviewers say

### Heavier

[App page](https://appshunter.io/ios/app/heavier/id1543576981)

This AI-powered strength training app analyzes your workout data to provide insights on progress and areas for improvement. It offers a daily AI coach with workout plans and allows for hands-free logging via voice commands.

**Highlights:** AI-assisted strength training, Progressive overload tracking, Workout volume, frequency, and balance analysis, Daily AI coach and workout plans, Voice-activated lift logging, Hands-free operation

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

**In-app purchases:** none


### Liftosaur

[App page](https://appshunter.io/ios/app/liftosaur-scriptable-workouts/id1661880849)

This app automates strength training by allowing users to build custom progressive overload programs or use pre-built routines. It tracks workouts, visualizes progress, and automatically adjusts weights and reps based on user-defined logic, making it a smart fitness companion.

**Highlights:** Automated progressive overload, Scriptable workout builder (Liftoscript), Pre-built popular lifting programs, Workout tracking and progress visualization, Rest timers and plate calculator, Body weight and measurement tracking, Cloud backup and cross-device sync

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| Yearly Subscription | $39.99 | per year |
| Lifetime Subscription | $99.99 | one-time |

**What reviewers like**

- ✨ Highly customizable workouts
- 🚀 Efficient workout tracking
- 💡 Innovative Liftoscript feature
- 💰 Incredible value (lifetime subscription)
- 🤝 Excellent developer support

**What reviewers complain about**

- 📚 Steep learning curve
- 🐛 Frequent app crashes due to updates
- 🔄 Sync issues with Apple Health
- 🐌 UI could use a polish
- 🤔 Some users find it too technical

**Reported bugs**

- App crashes frequently after updates
- Syncing issues with iPhone Health app
- App freezes on startup screen, requires reinstallation
- Changes to program not saving correctly
- Error when trying to set different warm-ups for different weeks

**Requested features**

- Dark mode option
- Ability to use kgs for barbell and lbs for dumbbells
- More intuitive UI for beginners
- Improved documentation/organization of ideas


## Frequently asked questions

### Is Heavier free?

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

### Is Liftosaur free?

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

### Which has better reviews, Heavier or Liftosaur?

Liftosaur is rated higher. Heavier averages 4.2 out of 5 from 13 ratings, while Liftosaur averages 4.9 from 417 ratings.

### Do Heavier or Liftosaur have ads?

Neither Heavier nor Liftosaur shows ads.

### Which is updated more often, Heavier or Liftosaur?

Heavier ships an update every 4 days, and Liftosaur weekly. Most recently, Heavier was updated on October 6, 2026 and Liftosaur on October 13, 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.*