# Proof vs Lift Eccentric

The clearest difference is in-app purchases: Lift Eccentric at none against Proof's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Proof sells 1 one-off in-app purchase. Lift Eccentric asks for nothing beyond the download.

## The numbers

| Metric | Proof | Lift Eccentric |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/proof-smarter-workout-tracker/id6777612827/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 13 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Serafin Vazquez](https://appshunter.io/developer/6777613189) | [ImpromptuPost LLC](https://appshunter.io/developer/1702194938) |

## What reviewers say

### Proof

[App page](https://appshunter.io/ios/app/proof-smarter-workout-tracker/id6777612827)

This app helps you meticulously log your weightlifting sets and track personal records. It automatically detects and saves your achievements, providing insights into your training patterns and muscle engagement. Enjoy a clean, ad-free experience with no subscriptions or cloud syncing.

**Highlights:** Log sets in two taps, Full lift history, Automatic personal record detection, Muscle training body map, Training pattern analysis, Rest timer with Dynamic Island support

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

**In-app purchases (1)**

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


### Lift Eccentric

[App page](https://appshunter.io/ios/app/lift-eccentric/id6781891567)

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

**In-app purchases:** none


## Frequently asked questions

### Is Proof free?

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

### Is Lift Eccentric free?

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

### Do Proof or Lift Eccentric have ads?

Neither Proof nor Lift Eccentric 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.*