# Disco Zoo vs Tiny Rails

The clearest difference is review sentiment: Disco Zoo at 92% against Tiny Rails's 73%. Disco Zoo also leads on rating (4.8 vs 4.6). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Disco Zoo sells 12 one-off in-app purchases and Tiny Rails sells 11 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Disco Zoo holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 15K and 6.3K respectively. Written reviews point the same way: 92% of Disco Zoo's written reviews are positive against 73% of Tiny Rails's.

Disco Zoo ships an update every 3 months, Tiny Rails every 2 months. Both last shipped on October 19, 2026.

## The numbers

| Metric | Disco Zoo | Tiny Rails |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (15K ratings)](https://appshunter.io/ios/app/disco-zoo/id794524208/reviews)** | [4.6 (6.3K ratings)](https://appshunter.io/ios/app/tiny-rails/id1159072426/reviews) |
| Number of ratings | **15K** | 6.3K |
| Positive reviews | **91.9% of reviews** | 73.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 151 MB | 502 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NimbleBit LLC](https://appshunter.io/developer/285808572) | [Trophy Games Canada Inc.](https://appshunter.io/developer/892108904) |

## What reviewers say

### Disco Zoo

[App page](https://appshunter.io/ios/app/disco-zoo/id794524208)

Travel the world to discover and collect a wide variety of animals, from common farm animals to prehistoric dinosaurs. Solve casual puzzles to find hidden creatures and manage your growing zoo to earn in-game currency. Host lively disco parties to entertain your animals and visitors.

**Highlights:** Collect diverse animals, Discover hidden creatures, Solve casual puzzles, Manage and expand zoo, Host disco parties, Maximize earnings

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pack of DiscoBux | $0.99 | one-time |
| Starter Pack - Sale | $0.99 | one-time |
| ZooPedia | $2.99 | one-time |
| Starter Pack | $2.99 | one-time |
| Piggy Bank - Sale | $2.99 | one-time |
| pack of DiscoBux | $4.99 | one-time |
| Piggy Bank | $4.99 | one-time |
| pack of Coins | $9.99 | one-time |
| pack of Space Coins | $9.99 | one-time |
| pack of DiscoBux | $19.99 | one-time |
| pack of Coins | $19.99 | one-time |
| pack of DiscoBux | $29.99 | one-time |

**What reviewers like**

- 👍 Cute and fun game
- 🚀 No ads or forced in-app purchases
- 🎨 Charming pixel art style
- 🎶 Enjoyable disco-themed music
- 🕹️ Engaging puzzle-based gameplay

**What reviewers complain about**

- 🐛 Occasional crashes or glitches
- 🕰️ Repetitive gameplay can get boring
- 💰 Rescue costs become too high over time
- 🛠️ Limited customization options
- 🔄 Time machine feature resets progress

**Reported bugs**

- Video ads sometimes fail to load properly
- Daylight savings time change causes animal loss

**Requested features**

- More diverse animal habitats (e.g. ocean, mountain)
- Ability to visit and interact with other players' zoos
- Wake all animals button to save time
- Increased coin generation rate at higher levels
- Additional mini-games or side activities


### Tiny Rails

[App page](https://appshunter.io/ios/app/tiny-rails/id1159072426)

Build a global train empire from a single engine to a multi-car masterpiece. Deliver passengers and cargo worldwide, customize your trains, and explore beautiful locations. Enjoy a relaxing retro pixel art experience that continues even when you're offline.

**Highlights:** Hundreds of train set combinations, Global travel and landmark exploration, Train car customization for passenger happiness, Background gameplay, Retro pixel art and relaxing music

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Gold Pass | $3.99 | per 7 days |
| Kickstarter Deal | $1.99 | one-time |
| Eurotrip Deal | $1.99 | one-time |
| Gems (Tiny) | $4.99 | one-time |
| Care Package | $4.99 | one-time |
| Booster Deal Pack | $4.99 | one-time |
| Gems (Small) | $9.99 | one-time |
| Care Package 2 | $9.99 | one-time |
| Union Pacific Big Boy 4014 | $9.99 | one-time |
| Gems (Medium) | $19.99 | one-time |
| Care Package 3 | $19.99 | one-time |

**What reviewers like**

- 👍 Relaxing and enjoyable gameplay
- 🚀 Addictive and hard to put down
- 💎 Generous with in-game currency rewards
- 🎨 Beautiful pixel art and visuals
- 🕹️ Fun and unique train management mechanics

**What reviewers complain about**

- 🐛 Bugs and glitches, especially with crashes and progress loss
- 💰 Monetization feels too aggressive, with high costs for upgrades
- 🕰️ Slow progression and long wait times for upgrades
- 🗺️ Confusing or unclear objectives in later checklists
- 🔍 Lack of organization and sorting options for train cars

**Reported bugs**

- Train not progressing when left unattended
- Rewards not properly awarded after watching ads
- Checklist progress not updating correctly
- UI elements becoming hidden or overlapping
- Crashes when trying to take in-game photos

**Requested features**

- Ability to set custom routes or waypoints for the train
- More frequent or varied obstacles and challenges
- Better organization and filtering options for train cars
- Improved UI and optimization for newer devices
- Ability to have multiple save files or profiles


## Frequently asked questions

### Is Disco Zoo free?

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

### Is Tiny Rails free?

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

### Which has better reviews, Disco Zoo or Tiny Rails?

Disco Zoo is rated higher. Disco Zoo averages 4.8 out of 5 from 15K ratings, while Tiny Rails averages 4.6 from 6.3K ratings.

### Do Disco Zoo or Tiny Rails have ads?

Both Disco Zoo and Tiny Rails show ads.

### Which is updated more often, Disco Zoo or Tiny Rails?

Disco Zoo ships an update every 3 months, and Tiny Rails every 2 months. Most recently, Disco Zoo was updated on October 19, 2026 and Tiny Rails on October 19, 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.*