# Mos Speedrun vs Chase The Monster

The clearest difference is price: Chase The Monster at Free against Mos Speedrun's $0.99. Mos Speedrun's advantage is ads (none vs shown) and update cadence (every 2 months vs every 24 months). On review sentiment, in-app purchases and device support there is nothing between them.

Chase The Monster is free to download; Mos Speedrun costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mos Speedrun ships an update every 2 months, Chase The Monster every 24 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Mos Speedrun | Chase The Monster |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.7 (33 ratings)](https://appshunter.io/ios/app/mos-speedrun/id419215811/reviews)** | — |
| Number of ratings | **33** | — |
| Positive reviews | 93.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 24 months |
| Monetization | Paid | **Ad-supported** |
| Size | 46 MB | 66 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Physmo](https://appshunter.io/developer/333188621) | [Yoshitaka Nagashima](https://appshunter.io/developer/1553298032) |

## What reviewers say

### Mos Speedrun

[App page](https://appshunter.io/ios/app/mos-speedrun/id419215811)

Experience fast-paced retro platforming with 25 challenging stages. Jump, dodge, and race through levels, discover secrets, collect items, and compete for the best speed-run times. Unlock costumes and enjoy a vibrant chip tune soundtrack.

**Highlights:** 25 retro platforming stages, Secret areas and collectibles, Speed-run time challenges, Unlockable costumes, Video recording and exporting, Game Center leaderboards and achievements

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Tight controls
- 🎨 Retro graphics
- 🎶 Catchy chiptune music
- 🔁 Addictive replay value
- 🏆 Challenging objectives

**What reviewers complain about**

- 🐛 Occasional jump control issues
- 🔂 Repetitive background music
- 🕹️ Difficulty may be too high for casual players

**Reported bugs**

- iPhone 5 screen support issues
- Inconsistent jump responsiveness

**Requested features**

- More level variety
- Additional music tracks
- Checkpoint system
- Ability to view past speedrun records


### Chase The Monster

[App page](https://appshunter.io/ios/app/chase-the-monster/id1581153579)

Embark on a thrilling run and jump adventure to rescue a kidnapped princess. Dodge traps, leap over pitfalls, and engage in exciting boss battles by stomping on enemies. Collect coins to earn extra lives and achieve victory.

**Highlights:** Run and jump gameplay, Dodge traps and obstacles, Leap over pitfalls, Boss fights, Stomp monsters, Collect coins for extra lives

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mos Speedrun free?

Mos Speedrun costs $0.99, with no in-app purchases.

### Is Chase The Monster free?

Chase The Monster is free to download, with no in-app purchases.

### Do Mos Speedrun or Chase The Monster have ads?

Chase The Monster shows ads; Mos Speedrun does not.

### Which is updated more often, Mos Speedrun or Chase The Monster?

Mos Speedrun ships an update every 2 months, and Chase The Monster every 24 months. Most recently, Mos Speedrun was updated on November 1, 2026 and Chase The Monster on November 3, 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.*