# SelfBlue 2.0 vs Speak Dia

The clearest difference is review sentiment: SelfBlue 2.0 at 24% against Speak Dia's 0%. Speak Dia's advantage is monetization model (ad-supported vs free with in-app purchases). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | SelfBlue 2.0 | Speak Dia |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **24.2% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 32 MB | 32 MB |
| Requires iOS | 14 | 14 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Peachwire Srl](https://appshunter.io/developer/917602913) | [DIA Srl](https://appshunter.io/developer/1470432424) |

## What reviewers say

### SelfBlue 2.0

[App page](https://appshunter.io/ios/app/selfblue-20/id1240809813)

This app allows you to pay for items at compatible vending machines using your smartphone. You can easily top up your digital wallet with cash or credit cards and access exclusive discounts and promotions.

**Highlights:** Smartphone vending machine payments, Digital wallet activation, Wallet top-up with cash or credit card, Access discounts and promotions, Contactless payment

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


### Speak Dia

[App page](https://appshunter.io/ios/app/speak-dia/id1470432425)

This app allows users to pay for and receive information from DIA vending machines. Users can top up their credit, access exclusive promotions, and get details on food items like allergens and expiration dates.

**Highlights:** Pay at vending machines, Receive product information, Top up credit, Access dedicated promotions, View allergen details, Check expiration dates

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SelfBlue 2.0 free?

SelfBlue 2.0 is free to download, with no in-app purchases.

### Is Speak Dia free?

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

### Do SelfBlue 2.0 or Speak Dia have ads?

Both SelfBlue 2.0 and Speak Dia show ads.

### Which is updated more often, SelfBlue 2.0 or Speak Dia?

SelfBlue 2.0 ships an update fortnightly, and Speak Dia fortnightly. Most recently, SelfBlue 2.0 was updated on October 16, 2026 and Speak Dia on October 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*