# Seconds Interval Timer vs SH1FT

The clearest difference is review sentiment: Seconds Interval Timer at 75% against SH1FT's 20%. Seconds Interval Timer also leads on ratings volume (24K vs 7). SH1FT's advantage is in-app purchases (none vs 1) and rating (4.9 vs 4.7). 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. SH1FT asks for nothing beyond the download.

SH1FT holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Seconds Interval Timer has 24K ratings behind it against 7, so its average is the more settled of the two. Written reviews complicate that: 75% of Seconds Interval Timer's written reviews are positive against 20% of SH1FT's, so the app with the better star average is not the one people write more warmly about.

Seconds Interval Timer ships an update monthly, SH1FT every 3 weeks. The most recent releases landed on September 27, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Seconds Interval Timer | SH1FT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (24K ratings)](https://appshunter.io/ios/app/seconds-interval-timer/id475816966/reviews) | **[4.9 (7 ratings)](https://appshunter.io/ios/app/sh1ft/id1197308499/reviews)** |
| Number of ratings | **24K** | 7 |
| Positive reviews | **75.1% of reviews** | 20.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 95 MB | 22 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Runloop Ltd](https://appshunter.io/developer/325563420) | [SH1FT Ltd](https://appshunter.io/developer/1197308498) |

## 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


### SH1FT

[App page](https://appshunter.io/ios/app/sh1ft/id1197308499)

This app empowers group fitness instructors to create and deliver engaging live and online classes. It automates class structuring and cueing, saving instructors time and stress. Instructors can design unique workouts, mix formats, and teach anywhere.

**Highlights:** Automated class structuring and cueing, Create unique workout combinations, Teach live and online classes, Unlimited access to all workouts, Cross-format mash-ups

**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 SH1FT free?

SH1FT is free to download, with no in-app purchases.

### Which has better reviews, Seconds Interval Timer or SH1FT?

SH1FT is rated higher. Seconds Interval Timer averages 4.7 out of 5 from 24K ratings, while SH1FT averages 4.9 from 7 ratings.

### Do Seconds Interval Timer or SH1FT have ads?

Neither Seconds Interval Timer nor SH1FT shows ads.

### Which is updated more often, Seconds Interval Timer or SH1FT?

Seconds Interval Timer ships an update monthly, and SH1FT every 3 weeks. Most recently, Seconds Interval Timer was updated on September 27, 2026 and SH1FT on June 4, 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.*