# InterFit Timer vs Rytek

The clearest difference is in-app purchases: InterFit Timer at none against Rytek's 1. InterFit Timer also leads on device support (3 vs 1). Rytek's advantage is update cadence (every 4 days vs every 17 months). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Rytek sells 1 one-off in-app purchase. InterFit Timer asks for nothing beyond the download.

InterFit Timer ships an update every 17 months, Rytek every 4 days. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | InterFit Timer | Rytek |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/rytek-strength-log/id6761085689/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 25 MB | 73 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [爱华 刘](https://appshunter.io/developer/1797362038) | [文超 李](https://appshunter.io/developer/1887656569) |

## What reviewers say

### InterFit Timer

[App page](https://appshunter.io/ios/app/interfit-timer-workout-timer/id6742210663)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### Rytek

[App page](https://appshunter.io/ios/app/rytek-strength-log/id6761085689)

This app helps lifters track their strength training progress offline. Log sets, create custom plans, and monitor key metrics like volume and PRs without distractions. Review detailed stats and export your data.

**Highlights:** Log weight, reps, and RPE, Create and run training plans, Track PRs and volume, Monitor Training Readiness, Review workout statistics, Export training data, Offline functionality

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Lifetime) | $8.99 | one-time |


## Frequently asked questions

### Is InterFit Timer free?

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

### Is Rytek free?

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

### Do InterFit Timer or Rytek have ads?

Neither InterFit Timer nor Rytek shows ads.

### Which is updated more often, InterFit Timer or Rytek?

InterFit Timer ships an update every 17 months, and Rytek every 4 days. Most recently, InterFit Timer was updated on October 7, 2026 and Rytek on October 5, 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.*