# Meridian 157 vs Sumloom

The clearest difference is price: Sumloom at Free against Meridian 157's $3.99. Sumloom also leads on update cadence (every 2 days vs every 5 months). Meridian 157's advantage is ratings volume (3.2K vs 1) and chart position (#81 vs unranked). On rating, review sentiment, ads and in-app purchases there is nothing between them.

Sumloom is free to download; Meridian 157 costs $3.99 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 Meridian 157 against 5.0 for Sumloom. That said, the two scores are not equally well evidenced: Meridian 157 has 3.2K ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 96% of Meridian 157's written reviews are positive against 100% of Sumloom's.

Meridian 157 ships an update every 5 months, Sumloom every 2 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Meridian 157 | Sumloom |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [4.9 (3.2K ratings)](https://appshunter.io/ios/app/meridian-157-chapter-3/id1576148500/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sumloom/id6790993931/reviews)** |
| Number of ratings | **3.2K** | 1 |
| Positive reviews | 96.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | Paid | **Free** |
| Best chart rank | **#81** | — |
| Size | 750 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [NovaSoft Interactive Ltd](https://appshunter.io/developer/1470338631) | [LLC VIZIRION](https://appshunter.io/developer/6785857483) |

## What reviewers say

### Meridian 157

[App page](https://appshunter.io/ios/app/meridian-157-chapter-3/id1576148500)

**Currently charting:** #81 Top Paid · Puzzle, #122 Top Paid · Adventure (US App Store)

Embark on the thrilling conclusion of an island mystery. Explore ancient caverns and advanced labs to uncover a sinister project and prevent a global disaster. Solve challenging puzzles and unravel unsettling secrets in this epic adventure.

**Highlights:** Final and longest chapter, Unique and challenging puzzles, Immersive graphics, Custom ambient soundtrack, Two-tier hint system, Available in 9 languages, Color blind mode

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Immersive, engaging, and on par with or better than Riven
- 👍 Excellent graphics, story, and puzzles
- 👍 Challenging but fair puzzles
- 👍 Helpful hint system
- 👍 Atmospheric and creepy environment

**What reviewers complain about**

- 🐛 Occasional bugs or glitches, especially on iOS devices
- 🤔 Some puzzles were too obscure or illogical
- 🤔 Repetitive backtracking through large environments

**Reported bugs**

- Stacked boxes puzzle in Chapter 3 unplayable on iOS devices
- Occasional freezing or crashes reported

**Requested features**

- Option to turn off the Bunsen burner in the chemistry lab
- More varied puzzles and less repetition
- Ability to change difficulty settings mid-game


### Sumloom

[App page](https://appshunter.io/ios/app/sumloom/id6790993931)

A compact number puzzle game where you swipe through tiles to match sums and complete orders. Create loops to double your rewards and enjoy endless levels with streak bonuses. Play offline with no ads or registration required.

**Highlights:** One-finger swipe controls, Three orders available simultaneously, Small even numbers for simple calculations, Endless levels and streak bonuses, Double rewards for closed loops, Boosts: Refresh, Swap, Undo, Daily challenges

**In-app purchases:** none


## Frequently asked questions

### Is Meridian 157 free?

Meridian 157 costs $3.99, with no in-app purchases.

### Is Sumloom free?

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

### Which has better reviews, Meridian 157 or Sumloom?

Sumloom is rated higher. Meridian 157 averages 4.9 out of 5 from 3.2K ratings, while Sumloom averages 5.0 from 1 ratings.

### Do Meridian 157 or Sumloom have ads?

Neither Meridian 157 nor Sumloom shows ads.

### Which is updated more often, Meridian 157 or Sumloom?

Meridian 157 ships an update every 5 months, and Sumloom every 2 days. Most recently, Meridian 157 was updated on November 3, 2026 and Sumloom on October 31, 2026.

---

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