# Lost Lands 4 vs Tanggu Arithmetic Puzzle

The clearest difference is in-app purchases: Tanggu Arithmetic Puzzle at none against Lost Lands 4's 10. Tanggu Arithmetic Puzzle also leads on update cadence (every 9 days vs every 7 months). Lost Lands 4's advantage is iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Lost Lands 4 sells 9 one-off in-app purchases. Tanggu Arithmetic Puzzle asks for nothing beyond the download.

Lost Lands 4 ships an update every 7 months, Tanggu Arithmetic Puzzle every 9 days. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Lost Lands 4 | Tanggu Arithmetic Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.9K ratings)](https://appshunter.io/ios/app/lost-lands-4/id1535452804/reviews)** | — |
| Number of ratings | **1.9K** | — |
| Positive reviews | 80.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 1013 MB | 37 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [FIVE-BN STUDIO LLC](https://appshunter.io/developer/1896557490) | [Sueah Choi](https://appshunter.io/developer/6802496010) |

## What reviewers say

### Lost Lands 4

[App page](https://appshunter.io/ios/app/lost-lands-4/id1535452804)

Embark on a fantasy adventure filled with hidden objects, challenging puzzles, and engaging mini-games. Explore a mysterious world, uncover secrets, and help save a magical land from destruction. Your quest involves solving riddles and interacting with unique races.

**Highlights:** Hidden object scenes, Mini-games, Puzzles, Explore over 50 locations, Assemble collections, Gather morphing objects, Gain achievements

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20 coins | $0.99 | one-time |
| Bonus chapter | $1.99 | one-time |
| 30 coins | $2.99 | one-time |
| 35 coins | $2.99 | one-time |
| 55 coins | $4.99 | one-time |
| 80 coins | $6.99 | one-time |
| 120 coins | $9.99 | one-time |
| 200 coins | $14.99 | one-time |
| 225 coins | $14.99 | one-time |

**What reviewers like**

- 🌟 Beautiful, well-crafted games
- 💎 Addictive and absorbing gameplay
- 🎁 Free to play with optional purchases
- 🧠 Challenging but achievable puzzles
- 🗺️ Engaging storylines and characters

**What reviewers complain about**

- 🤯 Frustratingly difficult puzzles
- 💰 Forced to purchase hints/coins
- 🐛 Bugs and glitches that block progress
- 🤔 Illogical or unclear puzzle solutions
- 🤷‍♀️ Lack of map/navigation tools

**Reported bugs**

- Inability to move back to previous areas
- Certain objects/puzzles not appearing as expected
- Dials/controls not functioning properly

**Requested features**

- Transfer unused coins/hints between games
- More interactive and immersive gameplay
- Improved hints and guidance for puzzles
- Ability to revisit previous areas/puzzles


### Tanggu Arithmetic Puzzle

[App page](https://appshunter.io/ios/app/tanggu-arithmetic-puzzle/id6806772173)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lost Lands 4 free?

Lost Lands 4 is free to download, with in-app purchases available.

### Is Tanggu Arithmetic Puzzle free?

Tanggu Arithmetic Puzzle is free to download, with no in-app purchases.

### Do Lost Lands 4 or Tanggu Arithmetic Puzzle have ads?

Both Lost Lands 4 and Tanggu Arithmetic Puzzle show ads.

### Which is updated more often, Lost Lands 4 or Tanggu Arithmetic Puzzle?

Lost Lands 4 ships an update every 7 months, and Tanggu Arithmetic Puzzle every 9 days. Most recently, Lost Lands 4 was updated on November 3, 2026 and Tanggu Arithmetic Puzzle on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*