# Parameter vs LiftDiff

The clearest difference is in-app purchases: LiftDiff at none against Parameter's 1. LiftDiff also leads on update cadence (daily vs every 2 days). Parameter's advantage is iOS requirement (17.0 vs 26.5). On price, ads and device support there is nothing between them.

Both are free to download. Parameter sells 1 in-app purchase, starting at $1.00 per month. LiftDiff asks for nothing beyond the download.

Parameter ships an update every 2 days, LiftDiff daily. The most recent releases landed on October 8, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Parameter | LiftDiff |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 days | **Daily** |
| Size | 20 MB | 8 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [JACOB CLINTON PEWITT YANCEY](https://appshunter.io/developer/6788824121) | [Yoshiaki Nozaki](https://appshunter.io/developer/6806490701) |

## What reviewers say

### Parameter

[App page](https://appshunter.io/ios/app/parameter/id6788824119)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Parameter Monthly | $1.00 | per month |


### LiftDiff

[App page](https://appshunter.io/ios/app/liftdiff/id6806490699)

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

**In-app purchases:** none


## Frequently asked questions

### Is Parameter free?

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

### Is LiftDiff free?

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

### Do Parameter or LiftDiff have ads?

Neither Parameter nor LiftDiff shows ads.

### Which is updated more often, Parameter or LiftDiff?

Parameter ships an update every 2 days, and LiftDiff daily. Most recently, Parameter was updated on October 8, 2026 and LiftDiff on September 28, 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.*