# Dr. Bra vs Opto

The clearest difference is update cadence: Dr. Bra at every 4 weeks against Opto's every 3 months. 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.

Dr. Bra ships an update every 4 weeks, Opto every 3 months. The most recent releases landed on October 26, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Dr. Bra | Opto |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 2.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 74 MB | 166 MB |
| Requires iOS | 12.2 | 12.2 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [LIDAI](https://appshunter.io/developer/1227694297) | [Payment Technologies S.R.L](https://appshunter.io/developer/1421270958) |

## What reviewers say

### Dr. Bra

[App page](https://appshunter.io/ios/app/dr-bra/id980507000)

**Features:** macOS Compatibility

**In-app purchases:** none


### Opto

[App page](https://appshunter.io/ios/app/opto/id1421270959)

Revolutionize your coffee breaks with a lightning-fast digital payment system. Connect to nearby coffee dispensers via light, select your drink, and enjoy entertainment while you sip. Manage your e-wallet, track purchases, and even gift coffee to friends.

**Highlights:** Fast coffee purchases, Light-based dispenser connection, In-app entertainment, Purchase history, E-wallet management, Credit top-up via card or coin, Gift coffee to friends

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dr. Bra free?

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

### Is Opto free?

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

### Do Dr. Bra or Opto have ads?

Neither Dr. Bra nor Opto shows ads.

### Which is updated more often, Dr. Bra or Opto?

Dr. Bra ships an update every 4 weeks, and Opto every 3 months. Most recently, Dr. Bra was updated on October 26, 2026 and Opto on October 16, 2026.

---

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