# Passport Photo Code UK vs Hydra

The clearest difference is iOS requirement: Hydra at 12.0 against Passport Photo Code UK's 15.0. 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 | Passport Photo Code UK | Hydra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (14 ratings)](https://appshunter.io/ios/app/passport-photo-code-uk/id1457958911/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 90.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 44 MB | 32 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Passport photo code uk ltd.](https://appshunter.io/developer/1457958910) | [Instalane Internet Private Limited](https://appshunter.io/developer/1739626561) |

## What reviewers say

### Passport Photo Code UK

[App page](https://appshunter.io/ios/app/passport-photo-code-uk/id1457958911)

Easily create compliant passport photos from your phone for worldwide applications. Upload your photo, receive a digital code within 24 hours, and get printed copies delivered. Avoid photo booths and streamline your travel document process.

**Highlights:** Worldwide passport photo compliance, Digital code for online applications, Guaranteed acceptance if criteria met, Printed photo delivery options, Self-taken photo submission, Fast digital code delivery

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Quick turnaround and delivery of codes/photos
- 👍 Easy and straightforward to use
- 💰 Cost-effective compared to alternatives
- 📱 Convenient for taking photos at home
- ✅ Photos accepted by passport office

**What reviewers complain about**

- ⚠️ Occasional payment issues
- ⚠️ Some users report not receiving codes
- ⚠️ Potential for confusion with free upload options

**Reported bugs**

- Payment processing failures
- Failure to provide photo codes


### Hydra

[App page](https://appshunter.io/ios/app/hydra-water-drinking-tracker/id6738758531)

**In-app purchases:** none


## Frequently asked questions

### Is Passport Photo Code UK free?

Passport Photo Code UK is free to download, with no in-app purchases.

### Is Hydra free?

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

### Do Passport Photo Code UK or Hydra have ads?

Neither Passport Photo Code UK nor Hydra 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.*