# MEISAI Σ vs tf

The clearest difference is review sentiment: MEISAI Σ at 35% against tf's 25%. On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | MEISAI Σ | tf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (8 ratings)](https://appshunter.io/ios/app/meisai/id1531312377/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | **35.5% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free | Free |
| Size | 87 MB | 8 MB |
| Requires iOS | 14.0 | **13.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takayuki WATANABE](https://appshunter.io/developer/1478222839) | [UNIVERSITY PUBLIC CORPORATION OSAKA](https://appshunter.io/developer/1658230942) |

## What reviewers say

### 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


### tf

[App page](https://appshunter.io/ios/app/tf-cam/id1601024142)

This app assists visually impaired individuals in taking photos. It recognizes subjects and provides audio guidance on camera movement.

**Highlights:** Subject recognition, Audio camera guidance, Easy photo taking for visually impaired, Voice prompts for camera adjustment

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MEISAI Σ free?

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

### Is tf free?

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

### Do MEISAI Σ or tf have ads?

Neither MEISAI Σ nor tf shows ads.

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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.*