# Seconds Interval Timer vs Fit Pro Manager

The clearest difference is review sentiment: Seconds Interval Timer at 75% against Fit Pro Manager's 0%. Seconds Interval Timer also leads on rating (4.7 vs 1.0) and ratings volume (24K vs 2). Fit Pro Manager's advantage is in-app purchases (none vs 1) and iOS requirement (15.6 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Seconds Interval Timer sells 1 one-off in-app purchase. Fit Pro Manager asks for nothing beyond the download.

Seconds Interval Timer holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Seconds Interval Timer has 24K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 75% of Seconds Interval Timer's written reviews are positive against 0% of Fit Pro Manager's.

Seconds Interval Timer ships an update monthly, Fit Pro Manager every 3 weeks. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Seconds Interval Timer | Fit Pro Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (24K ratings)](https://appshunter.io/ios/app/seconds-interval-timer/id475816966/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/fit-pro-manager/id6742413924/reviews) |
| Number of ratings | **24K** | 2 |
| Positive reviews | **74.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 99 MB | 56 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Runloop Ltd](https://appshunter.io/developer/325563420) | [FitProTracker](https://appshunter.io/developer/1506592346) |

## What reviewers say

### Seconds Interval Timer

[App page](https://appshunter.io/ios/app/seconds-interval-timer/id475816966)

This app provides a versatile interval timer for various workout types like Tabata, HIIT, and circuit training. It features a clear, full-screen display, customizable alerts, and background operation. Users can also utilize a stopwatch and countdown timer, with integration for Apple Health.

**Highlights:** Full-screen colored display, Templates for HIIT, Tabata, Circuit Training, Voice and audio alerts, Music assignment per interval, Background operation, Apple Health integration, Stopwatch and countdown timer

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Version | $7.99 | one-time |

**What reviewers like**

- 🚀 Great workout app
- 👍 Customizable and user-friendly
- 🔒 Reliable and stable
- 💡 Versatile for various workouts
- 👍 Easy to create and edit timers

**What reviewers complain about**

- 🐛 Occasional audio issues
- 🔍 Limited Apple Watch integration
- 💰 Paid version required for full functionality
- 🕰️ Time-consuming to set up complex workouts

**Reported bugs**

- Timer sometimes stops working unexpectedly
- Issues with restoring purchases on new devices

**Requested features**

- Ability to change beep/alert volume independently
- Option to delay transition between intervals
- Sync workouts across devices
- More preset workout templates
- Heart rate monitoring integration


### Fit Pro Manager

[App page](https://appshunter.io/ios/app/fit-pro-manager/id6742413924)

Manage your client relationships and billing from your mobile device. This app serves as a portable extension of a comprehensive CRM and billing system, designed for professionals on the go.

**Highlights:** Client relationship management, Billing and invoicing, Mobile access to CRM, Portable billing system, Professional management tool

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

**In-app purchases:** none


## Frequently asked questions

### Is Seconds Interval Timer free?

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

### Is Fit Pro Manager free?

Fit Pro Manager is free to download, with no in-app purchases.

### Which has better reviews, Seconds Interval Timer or Fit Pro Manager?

Seconds Interval Timer is rated higher. Seconds Interval Timer averages 4.7 out of 5 from 24K ratings, while Fit Pro Manager averages 1.0 from 2 ratings.

### Do Seconds Interval Timer or Fit Pro Manager have ads?

Neither Seconds Interval Timer nor Fit Pro Manager shows ads.

### Which is updated more often, Seconds Interval Timer or Fit Pro Manager?

Seconds Interval Timer ships an update monthly, and Fit Pro Manager every 3 weeks. Most recently, Seconds Interval Timer was updated on October 24, 2026 and Fit Pro Manager 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.*