# Firefly vs Lthify

The clearest difference is rating: Lthify at 5.0 against Firefly's 4.5. Lthify also leads on iOS requirement (15.0 vs 17.0). Firefly's advantage is ratings volume (130 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Firefly sells 10 in-app purchases, starting at $8.99 per 7 days and Lthify sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Lthify holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Firefly has 130 ratings behind it against 1, so its average is the more settled of the two.

Firefly ships an update every 11 days, Lthify every 8 days. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Firefly | Lthify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (130 ratings)](https://appshunter.io/ios/app/firefly-ai-workout-form-coach/id6464440707/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lthify/id6758640933/reviews)** |
| Number of ratings | **130** | 1 |
| Positive reviews | 61.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 8 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 194 MB | 21 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Beige LLC](https://appshunter.io/developer/1703333503) | [Tirumalesh Jogiparthi](https://appshunter.io/developer/1850462677) |

## What reviewers say

### Firefly

[App page](https://appshunter.io/ios/app/firefly-ai-workout-form-coach/id6464440707)

This app uses your phone's camera to provide real-time form feedback for workouts and stretches. It offers personalized guidance, tracks progress, and helps build consistent fitness habits without extra hardware or scheduling.

**Highlights:** Real-time form feedback, Mobility accommodations, 3D movement replays, Personal accountability tracking, 7-day workout framework, Customizable routines, Gamified workouts with badges

**Features:** Family Sharing

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Firefly Ultra Weekly | $8.99 | per 7 days |
| 1 Month | $19.99 | per month |
| Monthly Membership | $19.99 | per month |
| Ultra 3 Month | $39.99 | per 3 months |
| 6 Month | $39.99 | per 6 months |
| 12 Month | $119.99 | per year |
| Yearly Membership | $119.99 | per year |
| Annual Members | $119.99 | per year |
| Annual Offer | $119.99 | per year |
| Lifetime Premium | $299.99 | one-time |


### Lthify

[App page](https://appshunter.io/ios/app/lthify/id6758640933)

This AI-powered health companion helps you build better habits like eating healthier, improving sleep, and staying hydrated. It offers guided workouts, progress tracking, and personalized meal plans in a supportive, non-judgmental environment.

**Highlights:** AI-powered health coaching, Instant meal tracking with Snap to Calories, Guided 30-day workout programs, Heart rate and activity monitoring, Personalized meal plans, Syncs with Apple Health, Habit tracking and progress streaks

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lthify Pro Monthly | $0.99 | per month |
| Lthify Premium Monthly | $2.99 | per month |


## Frequently asked questions

### Is Firefly free?

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

### Is Lthify free?

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

### Which has better reviews, Firefly or Lthify?

Lthify is rated higher. Firefly averages 4.5 out of 5 from 130 ratings, while Lthify averages 5.0 from 1 ratings.

### Do Firefly or Lthify have ads?

Neither Firefly nor Lthify shows ads.

### Which is updated more often, Firefly or Lthify?

Firefly ships an update every 11 days, and Lthify every 8 days. Most recently, Firefly was updated on October 24, 2026 and Lthify on October 10, 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.*