# Liftosaur vs OpenHIIT

The clearest difference is in-app purchases: OpenHIIT at none against Liftosaur's 3. OpenHIIT also leads on review sentiment (100% vs 90%) and iOS requirement (13.0 vs 17.0). Liftosaur's advantage is update cadence (every 6 days vs monthly) and ratings volume (394 vs 8). On price, rating, ads and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for Liftosaur against 5.0 for OpenHIIT. That said, the two scores are not equally well evidenced: Liftosaur has 394 ratings behind it against 8, so its average is the more settled of the two. Written reviews are what separate them: 90% of Liftosaur's written reviews are positive against 100% of OpenHIIT's.

Liftosaur ships an update every 6 days, OpenHIIT monthly. The most recent releases landed on September 25, 2026 and August 14, 2026 respectively.

## The numbers

| Metric | Liftosaur | OpenHIIT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (394 ratings)](https://appshunter.io/ios/app/liftosaur-scriptable-workouts/id1661880849/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/openhiit/id6459617819/reviews)** |
| Number of ratings | **394** | 8 |
| Positive reviews | 89.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 66 MB | 26 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Liftosaur, LLC](https://appshunter.io/developer/1712548690) | [Abigail Mabe](https://appshunter.io/developer/1701885217) |

## What reviewers say

### 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


### OpenHIIT

[App page](https://appshunter.io/ios/app/openhiit/id6459617819)

This open-source interval timer app helps optimize various activities like workouts, work sprints, and study sessions. It offers customizable timing, precise controls, and clear auditory and visual alerts to keep you motivated and on track. Users can also join a collaborative community to contribute to its development.

**Highlights:** Customizable interval timing, Precise and user-friendly controls, Auditory and visual alerts, Open-source community collaboration, Ad-free experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Liftosaur free?

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

### Is OpenHIIT free?

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

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

OpenHIIT is rated higher. Liftosaur averages 4.9 out of 5 from 394 ratings, while OpenHIIT averages 5.0 from 8 ratings.

### Do Liftosaur or OpenHIIT have ads?

Neither Liftosaur nor OpenHIIT shows ads.

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

Liftosaur ships an update every 6 days, and OpenHIIT monthly. Most recently, Liftosaur was updated on September 25, 2026 and OpenHIIT on August 14, 2026.

---

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