# Unlock It vs Egg Formula

The clearest difference is rating: Egg Formula at 4.8 against Unlock It's 4.0. Egg Formula also leads on update cadence (every 3 months vs every 17 months) and review sentiment (87% vs 65%). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Unlock It sells 2 one-off in-app purchases and Egg Formula sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Egg Formula holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 6 and 14 respectively. Written reviews point the same way: 65% of Unlock It's written reviews are positive against 87% of Egg Formula's.

Unlock It ships an update every 17 months, Egg Formula every 3 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Unlock It | Egg Formula |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (6 ratings)](https://appshunter.io/ios/app/unlock-it-a-fun-logic-puzzle/id940745754/reviews) | **[4.8 (14 ratings)](https://appshunter.io/ios/app/egg-formula/id1247983138/reviews)** |
| Number of ratings | 6 | **14** |
| Positive reviews | 64.7% of reviews | **86.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 17 months | **Every 3 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 90 MB | 22 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [MetalPop, LLC](https://appshunter.io/developer/885568833) | [x2line.com LLC](https://appshunter.io/developer/425135293) |

## What reviewers say

### Unlock It

[App page](https://appshunter.io/ios/app/unlock-it-a-fun-logic-puzzle/id940745754)

Exercise your brain with this logic puzzle. Slide blocks and sliders to unlock the lock. Offers 120 levels and a challenge mode to compete with friends.

**Highlights:** Logic puzzle gameplay, Slide sliders and blocks, 120 levels, Challenge mode, Compete with friends

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Welcome Offer | $1.99 | one-time |
| Full Game | $2.99 | one-time |


### Egg Formula

[App page](https://appshunter.io/ios/app/egg-formula/id1247983138)

Engage in a vibrant match-3 puzzle adventure with colorful eggs and 125 challenging levels. Achieve objectives like scoring targets or clearing obstacles within limited moves. Unlock unique creatures and enjoy a relaxing, accessible gaming experience.

**Highlights:** 125 challenging match-3 levels, Karma Points & Ranks system, Magic and Special Egg power-ups, Combo bonuses for high scores, Obstacle challenges like ice and walls, Collectible mini creatures, VoiceOver accessibility support

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extra 4 Moves | $1.99 | one-time |
| Extra 8 Moves | $2.99 | one-time |
| Extra 15 Moves | $3.99 | one-time |


## Frequently asked questions

### Is Unlock It free?

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

### Is Egg Formula free?

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

### Which has better reviews, Unlock It or Egg Formula?

Egg Formula is rated higher. Unlock It averages 4.0 out of 5 from 6 ratings, while Egg Formula averages 4.8 from 14 ratings.

### Do Unlock It or Egg Formula have ads?

Both Unlock It and Egg Formula show ads.

### Which is updated more often, Unlock It or Egg Formula?

Unlock It ships an update every 17 months, and Egg Formula every 3 months. Most recently, Unlock It was updated on October 24, 2026 and Egg Formula on October 25, 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.*