# Mass Up vs OPM

The clearest difference is in-app purchases: OPM at none against Mass Up's 12. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Mass Up sells 12 one-off in-app purchases. OPM asks for nothing beyond the download.

Mass Up ships an update every 8 days, OPM every 2 weeks. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Mass Up | OPM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 8 days** | Every 2 weeks |
| Size | 726 MB | 159 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [CROSSBRIDGE GAME STUDIOS](https://appshunter.io/developer/1827005789) | [YoTech](https://appshunter.io/developer/1896748042) |

## What reviewers say

### Mass Up

[App page](https://appshunter.io/ios/app/mass-up/id6748688919)

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Resources Pack #1 | $1.99 | one-time |
| No Energy Offer | $4.99 | one-time |
| Resources Pack #2 | $4.99 | one-time |
| Boosters Pack #1 | $6.99 | one-time |
| Remove Ads plus Boosters pack | $7.99 | one-time |
| Resources Pack #3 | $8.99 | one-time |
| Holiday Pack #1 | $9.99 | one-time |
| Boosters Pack #2 | $14.99 | one-time |
| Resources Pack #4 | $19.99 | one-time |
| Resources Pack #5 | $29.99 | one-time |
| Resources Pack #6 | $39.99 | one-time |
| Boosters Pack #4 | $39.99 | one-time |


### OPM

[App page](https://appshunter.io/ios/app/opm-ultimate-strike/id6783259345)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mass Up free?

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

### Is OPM free?

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

### Do Mass Up or OPM have ads?

Both Mass Up and OPM show ads.

### Which is updated more often, Mass Up or OPM?

Mass Up ships an update every 8 days, and OPM every 2 weeks. Most recently, Mass Up was updated on October 16, 2026 and OPM on October 25, 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.*