# IMPELLO vs Onus Strength

The clearest difference is in-app purchases: IMPELLO at none against Onus Strength's 1. IMPELLO also leads on device support (4 vs 2) and iOS requirement (15.1 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Onus Strength sells 1 one-off in-app purchase. IMPELLO asks for nothing beyond the download.

## The numbers

| Metric | IMPELLO | Onus Strength |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/impello-training-log/id6760678668/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Monetization | Free | — |
| Size | 36 MB | 9 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Rudy Aquino](https://appshunter.io/developer/1885677588) | [Nathaniel Faiad](https://appshunter.io/developer/6804785348) |

## What reviewers say

### IMPELLO

[App page](https://appshunter.io/ios/app/impello-training-log/id6760678668)

This app helps lifters track their workouts with faster logging and clear progress visualization. Manage rest, save routines, and review exercise history. It also offers Apple Watch integration for wrist-based tracking and heart rate monitoring.

**Highlights:** Fast workout logging, Clear progress visualization, Rest timer management, Save custom workouts, Exercise history review, Apple Watch integration, Heart rate monitoring

**Features:** Apple Watch app

**In-app purchases:** none


### Onus Strength

[App page](https://appshunter.io/ios/app/onus-strength/id6804785346)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Unlock | $19.99 | one-time |


## Frequently asked questions

### Is IMPELLO free?

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

### Is Onus Strength free?

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

### Do IMPELLO or Onus Strength have ads?

Neither IMPELLO nor Onus Strength shows ads.

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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.*