# Spark Mk1 vs Jungle Jack's World

The clearest difference is rating: Spark Mk1 at 5.0 against Jungle Jack's World's 3.4. Spark Mk1 also leads on update cadence (every 2 months vs every 7 months). Jungle Jack's World's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Spark Mk1 sells 1 one-off in-app purchase. Jungle Jack's World asks for nothing beyond the download.

Spark Mk1 holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 7 and 5 respectively.

Spark Mk1 ships an update every 2 months, Jungle Jack's World every 7 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Spark Mk1 | Jungle Jack's World |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/spark-mk1/id1553283149/reviews)** | [3.4 (5 ratings)](https://appshunter.io/ios/app/jungle-jacks-world/id6448079694/reviews) |
| Number of ratings | **7** | 5 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 75 MB | 439 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zylos Games LLC](https://appshunter.io/developer/1553283151) | [Nguyen Mau Hoang](https://appshunter.io/developer/869174012) |

## What reviewers say

### Spark Mk1

[App page](https://appshunter.io/ios/app/spark-mk1/id1553283149)

Engage in a fast-paced action game where you infiltrate a corporation's network to save the world. Navigate system defenses using on-screen or tilt controls, master levels through replay, and compete on leaderboards. Unlock the full game to experience all levels and boss fights.

**Highlights:** Fast-paced non-stop action, On-screen D-Pad or tilt controls, Full story mode, Challenge mode with score multipliers, Game Center support, Leaderboards and achievements

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Game | $1.99 | one-time |


### Jungle Jack's World

[App page](https://appshunter.io/ios/app/jungle-jacks-world/id6448079694)

Embark on a jungle adventure, dashing through lush environments, leaping over traps, and collecting treasures. Master awesome moves like double jumps and slides, and grab power-ups to become invincible. This 2D platformer offers breathtaking worlds and challenging levels for all ages.

**Highlights:** Explore breathtaking worlds, Master awesome moves, Collect coins and treasures, 32+ exciting levels, Tough boss battles, Regular free updates

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

**In-app purchases:** none


## Frequently asked questions

### Is Spark Mk1 free?

Spark Mk1 is free to download, with in-app purchases available.

### Is Jungle Jack's World free?

Jungle Jack's World is free to download, with no in-app purchases.

### Which has better reviews, Spark Mk1 or Jungle Jack's World?

Spark Mk1 is rated higher. Spark Mk1 averages 5.0 out of 5 from 7 ratings, while Jungle Jack's World averages 3.4 from 5 ratings.

### Do Spark Mk1 or Jungle Jack's World have ads?

Neither Spark Mk1 nor Jungle Jack's World shows ads.

### Which is updated more often, Spark Mk1 or Jungle Jack's World?

Spark Mk1 ships an update every 2 months, and Jungle Jack's World every 7 months. Most recently, Spark Mk1 was updated on November 3, 2026 and Jungle Jack's World 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.*