# Simple Interval Workout Timer vs Just LFT

The clearest difference is in-app purchases: Simple Interval Workout Timer at none against Just LFT's 2. Just LFT's advantage is update cadence (daily vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Just LFT sells 2 in-app purchases, starting at $4.99 per month. Simple Interval Workout Timer asks for nothing beyond the download.

Simple Interval Workout Timer ships an update every 2 weeks, Just LFT daily. The most recent releases landed on October 9, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Simple Interval Workout Timer | Just LFT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Size | 12 MB | 19 MB |
| Requires iOS | **17** | 18.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nikola Radovanovic](https://appshunter.io/developer/1778432344) | [Cristobal Gomara](https://appshunter.io/developer/6779687019) |

## What reviewers say

### Simple Interval Workout Timer

[App page](https://appshunter.io/ios/app/simple-interval-workout-timer/id6759857813)

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

**In-app purchases:** none


### Just LFT

[App page](https://appshunter.io/ios/app/just-lft/id6779687017)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Annual | $39.99 | per year |


## Frequently asked questions

### Is Simple Interval Workout Timer free?

Simple Interval Workout Timer is free to download, with no in-app purchases.

### Is Just LFT free?

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

### Do Simple Interval Workout Timer or Just LFT have ads?

Neither Simple Interval Workout Timer nor Just LFT shows ads.

### Which is updated more often, Simple Interval Workout Timer or Just LFT?

Simple Interval Workout Timer ships an update every 2 weeks, and Just LFT daily. Most recently, Simple Interval Workout Timer was updated on October 9, 2026 and Just LFT on September 28, 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.*