# Lock Jam vs Caterpillars!

Lock Jam and Caterpillars! both sit at 4.6 stars, but that hides the real split: 83% of Lock Jam's written reviews are positive against 64% of Caterpillars!'s. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Lock Jam sells 10 one-off in-app purchases and Caterpillars! sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Lock Jam against 4.7 for Caterpillars!. Both are backed by a comparable volume of ratings — 273 and 574 respectively. Written reviews are what separate them: 83% of Lock Jam's written reviews are positive against 64% of Caterpillars!'s.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Lock Jam | Caterpillars! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (273 ratings)](https://appshunter.io/ios/app/lock-jam-block-puzzle/id6744099663/reviews) | **[4.7 (574 ratings)](https://appshunter.io/ios/app/caterpillars/id6744400844/reviews)** |
| Number of ratings | 273 | **574** |
| Positive reviews | **83.3% of reviews** | 63.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 284 MB | 196 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [UDO GAMES OYUN YAZILIM ANONIM SIRKETI](https://appshunter.io/developer/944939988) | [Rocketship Studios LLP](https://appshunter.io/developer/1456752660) |

## What reviewers say

### Lock Jam

[App page](https://appshunter.io/ios/app/lock-jam-block-puzzle/id6744099663)

Engage in a satisfying puzzle challenge by sliding and matching keys to unlock various locks. This game offers unlimited levels with increasing difficulty and a relaxing yet challenging design suitable for all ages.

**Highlights:** Addictive puzzle gameplay, One-hand controls, Unlimited levels, Increasing difficulty, Satisfying lock & key mechanics, Relaxing design

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000 Gold | $0.99 | one-time |
| Fail Bundle | $3.99 | one-time |
| 5000 Gold | $3.99 | one-time |
| No Ads | $4.99 | one-time |
| Golden Ticket | $9.99 | one-time |
| Mini Bundle | $9.99 | one-time |
| No-Ads Bundle | $10.99 | one-time |
| com.udo.lock.medium | $19.99 | one-time |
| Large Bundle | $29.99 | one-time |
| 100000 Gold | $69.99 | one-time |


### Caterpillars!

[App page](https://appshunter.io/ios/app/caterpillars/id6744400844)

Guide colorful caterpillars into matching cocoons in this relaxing puzzle adventure. Solve hundreds of levels by strategically moving the caterpillars to clear the board and prepare them for transformation. Easy to learn but challenging to master, it offers endless fun for puzzle enthusiasts.

**Highlights:** Colorful puzzle adventure, Unique caterpillar control gameplay, Strategic logic puzzles, Relaxing and satisfying transformation visuals, Easy to learn, hard to master, Hundreds of levels

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin Pack 1 | $1.99 | one-time |
| Fail Offer | $4.99 | one-time |
| Remove Ads | $7.99 | one-time |
| Coin Pack 2 | $7.99 | one-time |
| Small Bundle | $9.99 | one-time |
| Remove Ads Bundle | $11.99 | one-time |
| Coin Pack 3 | $14.99 | one-time |
| Medium Bundle | $19.99 | one-time |
| Coin Pack 4 | $29.99 | one-time |
| Large Bundle | $29.99 | one-time |


## Frequently asked questions

### Is Lock Jam free?

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

### Is Caterpillars! free?

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

### Which has better reviews, Lock Jam or Caterpillars!?

Caterpillars! is rated higher. Lock Jam averages 4.6 out of 5 from 273 ratings, while Caterpillars! averages 4.7 from 574 ratings.

### Do Lock Jam or Caterpillars! have ads?

Both Lock Jam and Caterpillars! show ads.

### Which is updated more often, Lock Jam or Caterpillars!?

Lock Jam ships an update every 2 weeks, and Caterpillars! every 2 weeks. Most recently, Lock Jam was updated on November 4, 2026 and Caterpillars! on October 30, 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.*