# Zen Timer. vs SFL Trainer

The clearest difference is in-app purchases: SFL Trainer at none against Zen Timer.'s 2. SFL Trainer also leads on ads (none vs shown) and update cadence (every 5 weeks vs every 11 months). Zen Timer.'s advantage is device support (4 vs 2). On price there is nothing between them.

Both are free to download. Zen Timer. sells 2 in-app purchases, starting at $4.99 per 6 months. SFL Trainer asks for nothing beyond the download.

Zen Timer. ships an update every 11 months, SFL Trainer every 5 weeks. The most recent releases landed on September 25, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Zen Timer. | SFL Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (13 ratings)](https://appshunter.io/ios/app/zen-timer/id1035494993/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 65.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 76 MB | 21 MB |
| Requires iOS | 15.6 | **13.4** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | +4 | 4+ |
| Developer | [LINKLINKS LTD](https://appshunter.io/developer/600375781) | [Scope Software Solutions LLC](https://appshunter.io/developer/1482938062) |

## What reviewers say

### Zen Timer.

[App page](https://appshunter.io/ios/app/zen-timer/id1035494993)

This app helps you focus on meditation and mindfulness with customizable timers. Set preparation, meditation, interval, and cool-down times with various alert sounds and background music. Track your progress and maintain logs for a more peaceful practice.

**Highlights:** Create unlimited custom timers, Adjust preparation, meditation, and interval times, Select from 18 free interval sounds, Choose background music, Supports background and lock screen operation, Meditation log and report tracking, Multiple profiles and reminders

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - 6 months | $4.99 | per 6 months |
| Pro Version | $49.99 | one-time |


### SFL Trainer

[App page](https://appshunter.io/ios/app/sfl-trainer/id6478163336)

**In-app purchases:** none


## Frequently asked questions

### Is Zen Timer. free?

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

### Is SFL Trainer free?

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

### Do Zen Timer. or SFL Trainer have ads?

Zen Timer. shows ads; SFL Trainer does not.

### Which is updated more often, Zen Timer. or SFL Trainer?

Zen Timer. ships an update every 11 months, and SFL Trainer every 5 weeks. Most recently, Zen Timer. was updated on September 25, 2026 and SFL Trainer on October 3, 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.*