# ISRTRI vs RAMPOWER level up

The clearest difference is update cadence: ISRTRI at weekly against RAMPOWER level up's every 12 months. RAMPOWER level up's advantage is iOS requirement (15.1 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ISRTRI ships an update weekly, RAMPOWER level up every 12 months. The most recent releases landed on October 2, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | ISRTRI | RAMPOWER level up |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 12 months |
| Size | 17 MB | 48 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ran kellner](https://appshunter.io/developer/1372973121) | [Arbox LTD](https://appshunter.io/developer/1021244486) |

## What reviewers say

### ISRTRI

[App page](https://appshunter.io/ios/app/isrtri/id1546991465)

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

**In-app purchases:** none


### RAMPOWER level up

[App page](https://appshunter.io/ios/app/rampower-level-up/id6642704300)

**In-app purchases:** none


## Frequently asked questions

### Is ISRTRI free?

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

### Is RAMPOWER level up free?

RAMPOWER level up is free to download, with no in-app purchases.

### Do ISRTRI or RAMPOWER level up have ads?

Neither ISRTRI nor RAMPOWER level up shows ads.

### Which is updated more often, ISRTRI or RAMPOWER level up?

ISRTRI ships an update weekly, and RAMPOWER level up every 12 months. Most recently, ISRTRI was updated on October 2, 2026 and RAMPOWER level up on October 27, 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.*