# Thrivestone vs MEISAI Σ

The clearest difference is review sentiment: Thrivestone at 96% against MEISAI Σ's 35%. Thrivestone also leads on rating (4.8 vs 3.5) and ratings volume (28 vs 8). MEISAI Σ's advantage is in-app purchases (none vs 2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Thrivestone sells 2 one-off in-app purchases. MEISAI Σ asks for nothing beyond the download.

Thrivestone holds the better App Store score, 4.8 against 3.5. Both are backed by a comparable volume of ratings — 28 and 8 respectively. Written reviews point the same way: 96% of Thrivestone's written reviews are positive against 35% of MEISAI Σ's.

Thrivestone ships an update every 3 weeks, MEISAI Σ every 2 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Thrivestone | MEISAI Σ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (28 ratings)](https://appshunter.io/ios/app/thrivestone/id464148400/reviews)** | [3.5 (8 ratings)](https://appshunter.io/ios/app/meisai/id1531312377/reviews) |
| Number of ratings | **28** | 8 |
| Positive reviews | **96.0% of reviews** | 35.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 72 MB | 87 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Lemmon](https://appshunter.io/developer/461389162) | [Takayuki WATANABE](https://appshunter.io/developer/1478222839) |

## What reviewers say

### Thrivestone

[App page](https://appshunter.io/ios/app/thrivestone/id464148400)

Explore a universe of interactive camera filters that tap into abstract and chaotic visual realms. This application generates unique, dynamic imagery for your photos and videos. Be aware of potential photosensitive warnings due to light flashes.

**Highlights:** Interactive camera filters, Chaos-inspired visuals, Dynamic photo effects, Unique video generation, Photosensitive warning

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Season 0: Filter Pack #1 | $3.99 | one-time |
| Season 0: Filter Pack #2 | $3.99 | one-time |


### MEISAI Σ

[App page](https://appshunter.io/ios/app/meisai/id1531312377)

This app utilizes LiDAR sensors to create augmented reality effects by recognizing surrounding shapes like walls and floors. It integrates with music to generate dynamic visual experiences, transforming your environment with new visual effects.

**Highlights:** LiDAR-based AR effects, Recognizes walls and floors, Music-reactive visuals, Dynamic environmental effects

**In-app purchases:** none


## Frequently asked questions

### Is Thrivestone free?

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

### Is MEISAI Σ free?

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

### Which has better reviews, Thrivestone or MEISAI Σ?

Thrivestone is rated higher. Thrivestone averages 4.8 out of 5 from 28 ratings, while MEISAI Σ averages 3.5 from 8 ratings.

### Do Thrivestone or MEISAI Σ have ads?

Neither Thrivestone nor MEISAI Σ shows ads.

### Which is updated more often, Thrivestone or MEISAI Σ?

Thrivestone ships an update every 3 weeks, and MEISAI Σ every 2 weeks. Most recently, Thrivestone was updated on November 1, 2026 and MEISAI Σ on November 3, 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.*