# T5S Viewer vs DualSpectra

The clearest difference is iOS requirement: DualSpectra at 12.0 against T5S Viewer's 15.6. On price, ads, in-app purchases and device support 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 | T5S Viewer | DualSpectra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 55 months | — |
| Size | 16 MB | 7 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SMART VALUE](https://appshunter.io/developer/557447212) | [炜 张](https://appshunter.io/developer/1810181288) |

## What reviewers say

### T5S Viewer

[App page](https://appshunter.io/ios/app/t5s-viewer/id1559487251)

**Features:** macOS Compatibility

**In-app purchases:** none


### DualSpectra

[App page](https://appshunter.io/ios/app/dualspectra/id6746123474)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is T5S Viewer free?

T5S Viewer is free to download, with no in-app purchases.

### Is DualSpectra free?

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

### Do T5S Viewer or DualSpectra have ads?

Neither T5S Viewer nor DualSpectra 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.*