# ImpulsX vs SLESS

The clearest difference is update cadence: SLESS at every 2 days against ImpulsX's every 2 months. ImpulsX's advantage is iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ImpulsX sells 1 in-app purchase, starting at $2.99 per month and SLESS sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ImpulsX ships an update every 2 months, SLESS every 2 days. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | ImpulsX | SLESS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Size | 41 MB | 9 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Avalon Asistent In Brokeraj](https://appshunter.io/developer/1848604085) | [Asindu Vidanagamachchi](https://appshunter.io/developer/1862103420) |

## What reviewers say

### ImpulsX

[App page](https://appshunter.io/ios/app/impulsx/id6754517103)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abonament Lunar | $2.99 | per month |


### SLESS

[App page](https://appshunter.io/ios/app/sless/id6756651256)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SLESS Pro | $0.99 | per month |


## Frequently asked questions

### Is ImpulsX free?

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

### Is SLESS free?

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

### Do ImpulsX or SLESS have ads?

Neither ImpulsX nor SLESS shows ads.

### Which is updated more often, ImpulsX or SLESS?

ImpulsX ships an update every 2 months, and SLESS every 2 days. Most recently, ImpulsX was updated on October 30, 2026 and SLESS on November 9, 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.*