# SubX vs Save The Worm

The clearest difference is rating: SubX at 5.0 against Save The Worm's 4.2. SubX also leads on ads (none vs shown) and iOS requirement (7.0 vs 11.0). Save The Worm's advantage is ratings volume (5 vs 1). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. SubX sells 6 one-off in-app purchases and Save The Worm sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

SubX holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Save The Worm has 5 ratings behind it against 1, so its average is the more settled of the two.

SubX ships an update every 4 weeks, Save The Worm monthly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SubX | Save The Worm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/subx/id884980437/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/save-the-worm/id6444262525/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 weeks** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 135 MB | 167 MB |
| Requires iOS | **7.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Mobile App City Pty Ltd](https://appshunter.io/developer/592523908) | [Loi Vo](https://appshunter.io/developer/1272187686) |

## What reviewers say

### SubX

[App page](https://appshunter.io/ios/app/subx/id884980437)

Pilot a research submarine shrunk to cellular size to combat a deadly virus. Destroy viral defenses to learn about and upgrade your vessel. Survive increasingly difficult levels with various enemy types and unlock new abilities.

**Highlights:** Cellular-level virus combat, Submarine upgrades and abilities, Over 50 challenging levels, Multiple enemy types, In-game currency system, Leaderboards, Vibrant visuals

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.99 | one-time |
| 1000 coins | $1.99 | one-time |
| 2500 coins | $3.99 | one-time |
| 5000 coins | $5.99 | one-time |
| 10000 coins | $9.99 | one-time |
| 50000 coins | $36.99 | one-time |


### Save The Worm

[App page](https://appshunter.io/ios/app/save-the-worm/id6444262525)

Train your brain with this drawing puzzle game. Draw lines to guide a worm to its cocoon, avoiding obstacles like lava and falls. Use minimal ink for a higher score and enjoy various levels and funny worm expressions.

**Highlights:** Brain training puzzle, Freehand drawing mechanics, Obstacle avoidance, Ink usage scoring, Variety of levels, Funny worm expressions

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Coins | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| 500 Coins | $2.99 | one-time |
| 1200 Coins | $5.99 | one-time |
| 2600 Coins | $12.99 | one-time |
| 6000 Coins | $24.99 | one-time |


## Frequently asked questions

### Is SubX free?

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

### Is Save The Worm free?

Save The Worm is free to download, with in-app purchases available.

### Which has better reviews, SubX or Save The Worm?

SubX is rated higher. SubX averages 5.0 out of 5 from 1 ratings, while Save The Worm averages 4.2 from 5 ratings.

### Do SubX or Save The Worm have ads?

Save The Worm shows ads; SubX does not.

### Which is updated more often, SubX or Save The Worm?

SubX ships an update every 4 weeks, and Save The Worm monthly. Most recently, SubX was updated on November 1, 2026 and Save The Worm 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.*