# PSI Solarcell vs MarkLift

The clearest difference is in-app purchases: PSI Solarcell at none against MarkLift's 1. PSI Solarcell also leads on update cadence (every 3 days vs every 2 months) and iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. MarkLift sells 1 one-off in-app purchase. PSI Solarcell asks for nothing beyond the download.

PSI Solarcell ships an update every 3 days, MarkLift every 2 months. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PSI Solarcell | MarkLift |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 2 months |
| Size | 73 MB | 10 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [psicorporation](https://appshunter.io/developer/1829887656) | [Embay, LLC](https://appshunter.io/developer/1730783354) |

## What reviewers say

### PSI Solarcell

[App page](https://appshunter.io/ios/app/psi-solarcell/id6751521488)

**Features:** macOS Compatibility

**In-app purchases:** none


### MarkLift

[App page](https://appshunter.io/ios/app/marklift/id6773161967)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MarkLift Unlock | $4.99 | one-time |


## Frequently asked questions

### Is PSI Solarcell free?

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

### Is MarkLift free?

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

### Do PSI Solarcell or MarkLift have ads?

Both PSI Solarcell and MarkLift show ads.

### Which is updated more often, PSI Solarcell or MarkLift?

PSI Solarcell ships an update every 3 days, and MarkLift every 2 months. Most recently, PSI Solarcell was updated on November 5, 2026 and MarkLift on October 31, 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.*