# Easy Caller ID vs Hydrographic Survey

The clearest difference is in-app purchases: Easy Caller ID at none against Hydrographic Survey's 2. Hydrographic Survey's advantage is iOS requirement (13.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Hydrographic Survey sells 2 in-app purchases, starting at $4.99 per month. Easy Caller ID asks for nothing beyond the download.

## The numbers

| Metric | Easy Caller ID | Hydrographic Survey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (2.7K ratings)](https://appshunter.io/ios/app/easy-caller-id/id665856919/reviews)** | — |
| Number of ratings | **2.7K** | — |
| Positive reviews | 69.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 128 MB | 31 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [LSM Apps](https://appshunter.io/developer/1634388352) | [Gerard Rampal](https://appshunter.io/developer/6780474851) |

## What reviewers say

### Easy Caller ID

[App page](https://appshunter.io/ios/app/easy-caller-id/id665856919)

Identify unknown callers and block spam calls with real-time information displayed on your native call screen. Instantly look up any phone number to find caller details and enrich your address book. Your privacy is protected, and all features are completely free.

**Highlights:** Instant caller identification, Real-time call screen display, Powerful spam call blocking, System-level spam filtering, Smart phone number lookup, Contact enrichment, Privacy-focused design

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Simple and efficient
- 💡 Helpful for managing groups
- 👍 Intuitive contact management
- 👍 Useful for cleaning up contacts

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🐛 Unreliable sync and backup
- 💰 Expensive subscription model
- 🐛 Buggy updates and loss of functionality
- 🐛 Unresponsive customer support

**Reported bugs**

- Contacts disappearing after updates
- Inability to restore paid subscription features
- Repeated prompts to update even on latest version
- Sync issues causing duplicate and missing contacts

**Requested features**

- Ability to sort contacts by first name
- Integration with more social networks for contact photos
- More customization options for contact groups
- Improved search and filtering capabilities
- Easier way to move contacts between accounts


### Hydrographic Survey

[App page](https://appshunter.io/ios/app/hydrographic-survey/id6780474489)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| Yearly Subscription | $49.99 | per year |


## Frequently asked questions

### Is Easy Caller ID free?

Easy Caller ID is free to download, with no in-app purchases.

### Is Hydrographic Survey free?

Hydrographic Survey is free to download, with in-app purchases available.

### Do Easy Caller ID or Hydrographic Survey have ads?

Neither Easy Caller ID nor Hydrographic Survey 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.*