# Boxing Interval Timer vs FlexiPro Strength and Mobility

The clearest difference is in-app purchases: FlexiPro Strength and Mobility at none against Boxing Interval Timer's 1. FlexiPro Strength and Mobility also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). Boxing Interval Timer's advantage is ratings volume (13K vs 2). On price there is nothing between them.

Both are free to download. Boxing Interval Timer sells 1 one-off in-app purchase. FlexiPro Strength and Mobility asks for nothing beyond the download.

FlexiPro Strength and Mobility holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Boxing Interval Timer has 13K ratings behind it against 2, so its average is the more settled of the two.

Boxing Interval Timer ships an update every 3 months, FlexiPro Strength and Mobility every 3 weeks. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Boxing Interval Timer | FlexiPro Strength and Mobility |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (13K ratings)](https://appshunter.io/ios/app/boxing-interval-timer/id1318795527/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/flexipro-strength-and-mobility/id6749642983/reviews)** |
| Number of ratings | **13K** | 2 |
| Positive reviews | 58.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 12 MB | 159 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Thang Nguyen](https://appshunter.io/developer/921360262) | [Flexibility Maestro Ltd.](https://appshunter.io/developer/1831547739) |

## What reviewers say

### Boxing Interval Timer

[App page](https://appshunter.io/ios/app/boxing-interval-timer/id1318795527)

This app provides a customizable interval timer for various round-based sports and high-intensity interval training. Easily set times and sounds for preparation, rounds, and rest, with visual and auditory alerts to keep you on track during your workouts.

**Highlights:** Configurable sounds and times, Set preparation, round, and rest intervals, Inner round alerts, Color phase indication, Blinking warning alerts, Multiple custom profiles, Screen stays on automatically

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $5.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Straightforward app
- 💡 Customizable timer settings
- 👍 Versatile for various workouts
- 👍 Reliable and consistent

**What reviewers complain about**

- 🐛 Timer stops when phone is locked or app is in background
- 🐛 Inaccurate timer when switching apps
- 🔋 High battery consumption when screen is on
- 🔔 Lack of customizable sounds/alerts
- 📢 Excessive ads in free version

**Reported bugs**

- Timer stops when switching apps or locking phone
- Ads interfere with timer functionality
- Inconsistent timer performance (slowing down, stopping)
- Inability to close ads or navigate around them

**Requested features**

- Allow timer to run in background
- Add more sound/alert options (e.g. boxing bell, countdown)
- Improve ad placement to avoid interrupting workouts
- Provide more customization options for timer settings
- Implement tracking features (e.g. total time, weekly progress)


### FlexiPro Strength and Mobility

[App page](https://appshunter.io/ios/app/flexipro-strength-and-mobility/id6749642983)

This platform offers active flexibility training specifically designed for martial artists and elite athletes. It focuses on building strength through range of motion with sport-specific programs and expert coaching to enhance performance and aid recovery.

**Highlights:** Active flexibility training, Sport-specific programs, Strength-through-range exercises, Expert coaching access, Intelligent progression tracking, Professional recovery methods, Wearable device integration

**Features:** Apple Wallet, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Boxing Interval Timer free?

Boxing Interval Timer is free to download, with in-app purchases available.

### Is FlexiPro Strength and Mobility free?

FlexiPro Strength and Mobility is free to download, with no in-app purchases.

### Which has better reviews, Boxing Interval Timer or FlexiPro Strength and Mobility?

FlexiPro Strength and Mobility is rated higher. Boxing Interval Timer averages 4.8 out of 5 from 13K ratings, while FlexiPro Strength and Mobility averages 5.0 from 2 ratings.

### Do Boxing Interval Timer or FlexiPro Strength and Mobility have ads?

Boxing Interval Timer shows ads; FlexiPro Strength and Mobility does not.

### Which is updated more often, Boxing Interval Timer or FlexiPro Strength and Mobility?

Boxing Interval Timer ships an update every 3 months, and FlexiPro Strength and Mobility every 3 weeks. Most recently, Boxing Interval Timer was updated on October 16, 2026 and FlexiPro Strength and Mobility 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.*