# Underground Blossom vs Triple Sum

The clearest difference is price: Triple Sum at Free against Underground Blossom's $2.99. Triple Sum also leads on update cadence (daily vs weekly). Underground Blossom's advantage is ratings volume (4.5K vs 1) and chart position (#54 vs unranked). On rating, ads, in-app purchases and device support there is nothing between them.

Triple Sum is free to download; Underground Blossom costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for Underground Blossom against 5.0 for Triple Sum. That said, the two scores are not equally well evidenced: Underground Blossom has 4.5K ratings behind it against 1, so its average is the more settled of the two.

Underground Blossom ships an update weekly, Triple Sum daily. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Underground Blossom | Triple Sum |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.9 (4.5K ratings)](https://appshunter.io/ios/app/underground-blossom/id1665706687/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/triple-sum/id6743101133/reviews)** |
| Number of ratings | **4.5K** | 1 |
| Positive reviews | 97.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Paid | **Free** |
| Best chart rank | **#54** | — |
| Size | 196 MB | 69 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Rusty Lake](https://appshunter.io/developer/979777164) | [Jisu Jung](https://appshunter.io/developer/1731788096) |

## What reviewers say

### Underground Blossom

[App page](https://appshunter.io/ios/app/underground-blossom/id1665706687)

**Currently charting:** #54 Top Paid · Puzzle, #92 Top Paid · Adventure (US App Store)

Embark on a point-and-click adventure through the life and memories of Laura Vanderboom. Travel through metro stations, each representing a part of her past and future, solving puzzles to uncover her story and escape her inner turmoil.

**Highlights:** Point-and-click puzzle adventure, Journey through 7 unique metro stations, Solve puzzles and uncover secrets, Atmospheric soundtrack, Gripping story full of mysteries

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

**In-app purchases:** none

**What reviewers like**

- 👍 Engaging story
- 🎨 Beautiful artwork and atmosphere
- 🧠 Challenging yet satisfying puzzles
- 🔁 Seamless integration with previous Rusty Lake games
- 🕰️ Immersive time-traveling narrative

**What reviewers complain about**

- ⏱️ Relatively short gameplay length
- 🤔 Some puzzles felt too straightforward
- 🔀 Occasional difficulty in navigating between locations

**Reported bugs**

- Occasional language inconsistencies between stations
- Difficulty in backtracking to previous locations

**Requested features**

- More in-depth exploration of the Rusty Lake lore
- Longer and more complex puzzles
- Additional gameplay modes or mini-games


### Triple Sum

[App page](https://appshunter.io/ios/app/triple-sum/id6743101133)

This creative number puzzle game challenges players with simple rules and deep logic using only the numbers 1, 2, and 3. Solve puzzles by matching target numbers using sums of rows, columns, and diagonals. Offers various game modes, global leaderboards, and achievements for brain training and cognitive stimulation.

**Highlights:** Three number logic puzzles, Sum of rows, columns, and diagonals, Standard, Daily, and Special modes, Global leaderboards, Achievements and badges, Brain training and cognitive stimulation

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

**In-app purchases:** none


## Frequently asked questions

### Is Underground Blossom free?

Underground Blossom costs $2.99, with no in-app purchases.

### Is Triple Sum free?

Triple Sum is free to download, with no in-app purchases.

### Which has better reviews, Underground Blossom or Triple Sum?

Triple Sum is rated higher. Underground Blossom averages 4.9 out of 5 from 4.5K ratings, while Triple Sum averages 5.0 from 1 ratings.

### Do Underground Blossom or Triple Sum have ads?

Neither Underground Blossom nor Triple Sum shows ads.

### Which is updated more often, Underground Blossom or Triple Sum?

Underground Blossom ships an update weekly, and Triple Sum daily. Most recently, Underground Blossom was updated on November 1, 2026 and Triple Sum on October 24, 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.*