# Protogramma ProtoMobile vs DTS Blue

Protogramma ProtoMobile and DTS Blue are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Protogramma ProtoMobile | DTS Blue |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 268 MB | 458 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Protogramma Informatics](https://appshunter.io/developer/1738048426) | [DTS Technology Group LLC](https://appshunter.io/developer/1472316483) |

## What reviewers say

### Protogramma ProtoMobile

[App page](https://appshunter.io/ios/app/protogramma-protomobile/id6480063071)

**Features:** macOS Compatibility

**In-app purchases:** none


### DTS Blue

[App page](https://appshunter.io/ios/app/dts-blue/id6504366615)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Protogramma ProtoMobile free?

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

### Is DTS Blue free?

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

### Do Protogramma ProtoMobile or DTS Blue have ads?

Neither Protogramma ProtoMobile nor DTS Blue 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.*