# Impulse vs Rytek

The clearest difference is in-app purchases: Impulse at none against Rytek's 1. Impulse also leads on iOS requirement (9.0 vs 17.0). Rytek's advantage is update cadence (every 4 days vs fortnightly). On price, ads and device support there is nothing between them.

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

Impulse ships an update fortnightly, Rytek every 4 days. The most recent releases landed on September 29, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Impulse | 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 | Fortnightly | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 102 MB | 73 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Impulse (Qingdao) Health Tech Co.Ltd.](https://appshunter.io/developer/1362465982) | [文超 李](https://appshunter.io/developer/1887656569) |

## What reviewers say

### Impulse

[App page](https://appshunter.io/ios/app/impulse/id1442483602)

**Features:** macOS Compatibility

**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 Impulse free?

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

### Is Rytek free?

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

### Do Impulse or Rytek have ads?

Neither Impulse nor Rytek shows ads.

### Which is updated more often, Impulse or Rytek?

Impulse ships an update fortnightly, and Rytek every 4 days. Most recently, Impulse was updated on September 29, 2026 and Rytek on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*