# Gymboss Interval Timer vs Impact Next Level

The clearest difference is in-app purchases: Impact Next Level at none against Gymboss Interval Timer's 3. Impact Next Level also leads on iOS requirement (11.0 vs 15.0). Gymboss Interval Timer's advantage is update cadence (every 5 weeks vs every 45 months). On price, ads and device support there is nothing between them.

Both are free to download. Gymboss Interval Timer sells 3 in-app purchases, starting at $1.99 per year. Impact Next Level asks for nothing beyond the download.

Gymboss Interval Timer ships an update every 5 weeks, Impact Next Level every 45 months. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Gymboss Interval Timer | Impact Next Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (797 ratings)](https://appshunter.io/ios/app/gymboss-interval-timer/id500887448/reviews)** | — |
| Number of ratings | **797** | — |
| Positive reviews | 36.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 45 months |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 54 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Gymboss LLC](https://appshunter.io/developer/894157662) | [University Orthopaedic Services, Inc.](https://appshunter.io/developer/1519820793) |

## What reviewers say

### Gymboss Interval Timer

[App page](https://appshunter.io/ios/app/gymboss-interval-timer/id500887448)

This app provides a customizable interval timer for various workouts, allowing users to set single or multiple work and rest periods. It offers extensive customization options for alarms, program saving, and display, ensuring a tailored timing experience for any fitness routine.

**Highlights:** Programmable interval timer, Unlimited intervals and rounds, Save and manage unlimited programs, Visual, audible, and vibrate alarms, Music access and dimming, Customizable display and background

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gymboss Premium Yearly | $1.99 | per year |
| Remove Ads | $0.99 | one-time |
| Sound and Color Bundle | $0.99 | one-time |

**What reviewers like**

- 🚀 Simple yet effective
- 🚀 Perfect gym partner
- 🚀 Grad App
- 🚀 Great
- 🚀 Simple easy to plan and workout

**What reviewers complain about**

- 🐛 Clear data
- 🐛 Glitchy
- 🐛 Another buggy update
- 🐛 Landscape / portrait bugs
- 🐛 Sagging under bugs

**Reported bugs**

- Timer no longer beeps when screen is locked or app is in background
- Intervals disappear or get shuffled after updates
- Unable to save new workouts
- All workout sounds have gone
- Crashes when trying to edit intervals

**Requested features**

- Verbal prompts like a countdown "3-2-1 Go!" and "3-2-1 Rest"
- Ability to lock the screen
- Option to see what's coming next
- Workout block of 60/30/30 rather than just high and low
- Ability to start from partway through the sequence


### Impact Next Level

[App page](https://appshunter.io/ios/app/impact-next-level/id1519820791)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gymboss Interval Timer free?

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

### Is Impact Next Level free?

Impact Next Level is free to download, with no in-app purchases.

### Do Gymboss Interval Timer or Impact Next Level have ads?

Neither Gymboss Interval Timer nor Impact Next Level shows ads.

### Which is updated more often, Gymboss Interval Timer or Impact Next Level?

Gymboss Interval Timer ships an update every 5 weeks, and Impact Next Level every 45 months. Most recently, Gymboss Interval Timer was updated on October 14, 2026 and Impact Next Level 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.*