# Upside Down vs Last Mantis

The clearest difference is in-app purchases: Last Mantis at none against Upside Down's 10. Last Mantis also leads on ads (none vs shown) and update cadence (every 4 days vs every 6 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Upside Down sells 10 one-off in-app purchases. Last Mantis asks for nothing beyond the download.

Upside Down ships an update every 6 weeks, Last Mantis every 4 days. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Upside Down | Last Mantis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (589 ratings)](https://appshunter.io/ios/app/upside-down-strange-world/id6751249961/reviews)** | — |
| Number of ratings | **589** | — |
| Positive reviews | 35.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 849 MB | 131 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Supercent Inc.](https://appshunter.io/developer/1571435385) | [Fatos Gashi](https://appshunter.io/developer/6779527804) |

## What reviewers say

### Upside Down

[App page](https://appshunter.io/ios/app/upside-down-strange-world/id6751249961)

Embark on an action-packed adventure into a shadowy dimension to rescue a kidnapped friend. Explore mysterious landscapes, battle terrifying creatures with thrilling gunplay, and upgrade your gear to overcome challenges and uncover secrets.

**Highlights:** Explore a mysterious world, Engaging storyline, Dynamic combat with gunplay, Resource management and rebuilding, Upgrade and merge equipment, Strategic battles against challenging enemies

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| starterbundle_0.99 | $0.99 | one-time |
| handfulgems_0.99 | $0.99 | one-time |
| bunchgems_4.99 | $4.99 | one-time |
| cpboffer1_9.99 | $9.99 | one-time |
| pilegems_9.99 | $9.99 | one-time |
| noads_13.99 | $13.99 | one-time |
| cpboffer2_19.99 | $19.99 | one-time |
| pouchgems_19.99 | $19.99 | one-time |
| vaultgems_49.99 | $49.99 | one-time |
| treasureboxgems_99.99 | $99.99 | one-time |


### Last Mantis

[App page](https://appshunter.io/ios/app/last-mantis/id6809347224)

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

**In-app purchases:** none


## Frequently asked questions

### Is Upside Down free?

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

### Is Last Mantis free?

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

### Do Upside Down or Last Mantis have ads?

Upside Down shows ads; Last Mantis does not.

### Which is updated more often, Upside Down or Last Mantis?

Upside Down ships an update every 6 weeks, and Last Mantis every 4 days. Most recently, Upside Down was updated on October 24, 2026 and Last Mantis on October 13, 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.*