# 100 Doors Challenge vs Singularity

The clearest difference is update cadence: Singularity at daily against 100 Doors Challenge's every 8 months. Singularity also leads on rating (5.0 vs 4.6) and review sentiment (100% vs 74%). 100 Doors Challenge's advantage is ratings volume (2.1K vs 8) and iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 100 Doors Challenge sells 4 one-off in-app purchases and Singularity sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Singularity holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: 100 Doors Challenge has 2.1K ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 74% of 100 Doors Challenge's written reviews are positive against 100% of Singularity's.

100 Doors Challenge ships an update every 8 months, Singularity daily. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 100 Doors Challenge | Singularity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (2.1K ratings)](https://appshunter.io/ios/app/100-doors-challenge/id1089890170/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/singularity-gravity-match/id6794545657/reviews)** |
| Number of ratings | **2.1K** | 8 |
| Positive reviews | 74.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 8 months | **Daily** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 231 MB | 663 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Vladimir Poriadnikov](https://appshunter.io/developer/1089890169) | [Dallas Steele](https://appshunter.io/developer/6794399121) |

## What reviewers say

### 100 Doors Challenge

[App page](https://appshunter.io/ios/app/100-doors-challenge/id1089890170)

Engage your puzzle-solving skills in this point-and-click adventure. Explore detailed locations, find hidden objects, and use unique mechanics like time and space manipulation to open doors and advance through levels. Aim to escape each room and unlock all achievements in this free game.

**Highlights:** Exciting puzzles, Point and click genre, Movement in time and space, Combining objects, Search for hidden objects, Amazing levels with animations

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +300 Coins | $0.99 | one-time |
| +900 Coins | $1.99 | one-time |
| +1800 Coins | $2.99 | one-time |
| +3600 Coins | $3.99 | one-time |

**What reviewers like**

- 👍 Fun game
- 🤔 Challenging puzzles
- 💡 Ability to skip levels
- 🎨 Great graphics
- 🧠 Brain-teasing

**What reviewers complain about**

- 🐛 Bugs and glitches
- 🔍 Lack of hints
- 📢 Too many ads
- 🤯 Difficulty spikes
- 🤖 Inconsistent controls

**Reported bugs**

- Level 119 not working
- Interaction issues on certain levels
- Crashes and freezes
- Unresponsive controls

**Requested features**

- Hint system
- More levels
- Difficulty progression
- Customization options
- Multiplayer mode


### Singularity

[App page](https://appshunter.io/ios/app/singularity-gravity-match/id6794545657)

Engage in a unique physics-based match game set within a dynamic gravity well. Strategically launch and align jewels, creating cascades and forging exotic materials to overcome challenges across ten distinct cosmic eras. Compete in seasonal and arcade modes for endless score-chasing fun.

**Highlights:** Physics-based gravity well gameplay, Ten unique cosmic eras, Forge exotic materials, Seasonal and Arcade modes, Score-chase gameplay

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stardust Pouch | $1.99 | one-time |
| Foundry Arrival Offer | $2.49 | one-time |
| Remove Ads | $3.99 | one-time |
| Foundry Station | $4.99 | one-time |
| Stardust Cache | $4.99 | one-time |
| Stardust Vault | $9.99 | one-time |
| Founder's Bundle | $29.99 | one-time |


## Frequently asked questions

### Is 100 Doors Challenge free?

100 Doors Challenge is free to download, with in-app purchases available.

### Is Singularity free?

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

### Which has better reviews, 100 Doors Challenge or Singularity?

Singularity is rated higher. 100 Doors Challenge averages 4.6 out of 5 from 2.1K ratings, while Singularity averages 5.0 from 8 ratings.

### Do 100 Doors Challenge or Singularity have ads?

Both 100 Doors Challenge and Singularity show ads.

### Which is updated more often, 100 Doors Challenge or Singularity?

100 Doors Challenge ships an update every 8 months, and Singularity daily. Most recently, 100 Doors Challenge was updated on September 23, 2026 and Singularity on September 22, 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.*