# Gym Timer ™ vs Firefly

The clearest difference is review sentiment: Gym Timer ™ at 100% against Firefly's 62%. Gym Timer ™ also leads on rating (4.8 vs 4.5) and iOS requirement (15.0 vs 17.0). Firefly's advantage is ads (none vs shown) and update cadence (every 11 days vs every 6 weeks). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Gym Timer ™ sells 5 in-app purchases, starting at $1.99 per 7 days and Firefly sells 10 in-app purchases, starting at $8.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Gym Timer ™ holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 28 and 130 respectively. Written reviews point the same way: 100% of Gym Timer ™'s written reviews are positive against 62% of Firefly's.

Gym Timer ™ ships an update every 6 weeks, Firefly every 11 days. The most recent releases landed on October 10, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Gym Timer ™ | Firefly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (28 ratings)](https://appshunter.io/ios/app/gym-timer/id6464317932/reviews)** | [4.5 (130 ratings)](https://appshunter.io/ios/app/firefly-ai-workout-form-coach/id6464440707/reviews) |
| Number of ratings | 28 | **130** |
| Positive reviews | **100.0% of reviews** | 61.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 11 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 13 MB | 194 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andy Sutanto](https://appshunter.io/developer/1659282966) | [Beige LLC](https://appshunter.io/developer/1703333503) |

## What reviewers say

### Gym Timer ™

[App page](https://appshunter.io/ios/app/gym-timer/id6464317932)

This app provides customizable timers for your workouts, including preparation, exercise, and rest periods. It offers audio cues and a set counter to keep you on track, allowing you to focus on your fitness goals without constantly checking the clock.

**Highlights:** Customizable Prepare, Start, and Rest timers, Set counter for tracking progress, Audio alerts for timer transitions, User-friendly interface, Background timer functionality (premium)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gym & Fitness Interval Timer | $1.99 | per 7 days |
| Gym & Fitness Interval Timer | $3.99 | per month |
| Interval Timer Pro | $6.99 | per 6 months |
| Fitness Timer Pro | $19.99 | per year |
| Gym Timer Pro | $39.99 | one-time |


### 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 |


## Frequently asked questions

### Is Gym Timer ™ free?

Gym Timer ™ is free to download, with in-app purchases available.

### Is Firefly free?

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

### Which has better reviews, Gym Timer ™ or Firefly?

Gym Timer ™ is rated higher. Gym Timer ™ averages 4.8 out of 5 from 28 ratings, while Firefly averages 4.5 from 130 ratings.

### Do Gym Timer ™ or Firefly have ads?

Gym Timer ™ shows ads; Firefly does not.

### Which is updated more often, Gym Timer ™ or Firefly?

Gym Timer ™ ships an update every 6 weeks, and Firefly every 11 days. Most recently, Gym Timer ™ was updated on October 10, 2026 and Firefly on October 22, 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.*