# SpinDisplay vs TATTU

The clearest difference is rating: SpinDisplay at 1.6 against TATTU's 1.0. SpinDisplay also leads on ratings volume (72 vs 1) and iOS requirement (11.0 vs 14.0). On price, review sentiment, update cadence and ads there is nothing between them.

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

SpinDisplay holds the better App Store score, 1.6 against 1.0. That said, the two scores are not equally well evidenced: SpinDisplay has 72 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 6% of SpinDisplay's written reviews are positive against 0% of TATTU's.

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | SpinDisplay | TATTU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (72 ratings)](https://appshunter.io/ios/app/spindisplay/id1566971769/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/tattu/id6476337515/reviews) |
| Number of ratings | **72** | 1 |
| Positive reviews | **5.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 52 MB | 4 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [小龙 房](https://appshunter.io/developer/1418453707) | [Shenzhen Grepow Battery Co.Ltd.](https://appshunter.io/developer/1714028930) |

## What reviewers say

### SpinDisplay

[App page](https://appshunter.io/ios/app/spindisplay/id1566971769)

Control your spin display device with this application. It offers a straightforward interface for managing your device's settings and functionality.

**Highlights:** Control spin display device, Manage device settings, Straightforward interface

**Features:** macOS Compatibility

**In-app purchases:** none


### TATTU

[App page](https://appshunter.io/ios/app/tattu/id6476337515)

This utility app provides battery management system (BMS) functions for smart batteries. It allows users to monitor and control battery parameters. Designed for efficient battery operation and maintenance.

**Highlights:** Battery Management System (BMS), Smart battery monitoring, Battery parameter control, Efficient battery operation, Battery maintenance functions

**In-app purchases:** none


## Frequently asked questions

### Is SpinDisplay free?

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

### Is TATTU free?

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

### Which has better reviews, SpinDisplay or TATTU?

SpinDisplay is rated higher. SpinDisplay averages 1.6 out of 5 from 72 ratings, while TATTU averages 1.0 from 1 ratings.

### Do SpinDisplay or TATTU have ads?

Neither SpinDisplay nor TATTU shows ads.

### Which is updated more often, SpinDisplay or TATTU?

SpinDisplay ships an update every 2 months, and TATTU every 2 months. Most recently, SpinDisplay was updated on October 24, 2026 and TATTU 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.*