# GPS SERVER SYSTEM vs Caller App

The clearest difference is in-app purchases: GPS SERVER SYSTEM at none against Caller App's 3. GPS SERVER SYSTEM also leads on ads (none vs shown). Caller App's advantage is update cadence (fortnightly vs every 22 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Caller App sells 3 in-app purchases, starting at $1.99 per 7 days. GPS SERVER SYSTEM asks for nothing beyond the download.

GPS SERVER SYSTEM ships an update every 22 months, Caller App fortnightly. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | GPS SERVER SYSTEM | Caller App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (298 ratings)](https://appshunter.io/ios/app/caller-app-caller-id-and-block/id6670745092/reviews)** |
| Number of ratings | — | **298** |
| Positive reviews | — | 14.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 22 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 84 MB | 31 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Tamilarasan Kannan](https://appshunter.io/developer/1500116258) | [Goyani Bharatbhai](https://appshunter.io/developer/1767326653) |

## What reviewers say

### GPS SERVER SYSTEM

[App page](https://appshunter.io/ios/app/gps-server-system/id6447580360)

**Features:** macOS Compatibility

**In-app purchases:** none


### Caller App

[App page](https://appshunter.io/ios/app/caller-app-caller-id-and-block/id6670745092)

Identify unknown callers and block unwanted spam calls. This app functions as a caller ID, dialer, and SMS manager, helping you screen calls and texts. It also offers call reminders and a phone number search feature.

**Highlights:** Full Screen Caller ID, T9 Dialer, SMS & Messaging, Spam Blocking, Call Reminders, Phone Number Search

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| week | $1.99 | per 7 days |
| month | $4.99 | per month |
| year | $14.99 | per year |

**What reviewers like**

- ✅ Caller identification and spam blocking
- 📞 Call quality and clear conversations
- 👍 Intuitive user interface
- 🔍 Detailed caller information lookup

**What reviewers complain about**

- 📢 Excessive and intrusive advertisements
- 💰 Misleading paid subscription model
- 🚫 Non-functional core features
- ⚠️ Unauthorized data collection and privacy violations
- 🔌 Frequent app crashes and freezes

**Reported bugs**

- App freezes when clicking on contacts
- Search functionality blocked or non-responsive
- Call detection not working on iPhone
- Inaccurate location information for contacts
- False notifications about blocked calls

**Requested features**

- Better customization options for notifications
- Improved connectivity in weak signal areas
- Dark mode option
- Clearer data privacy policies and transparency
- Functional customer support contact information


## Frequently asked questions

### Is GPS SERVER SYSTEM free?

GPS SERVER SYSTEM is free to download, with no in-app purchases.

### Is Caller App free?

Caller App is free to download, with in-app purchases available.

### Do GPS SERVER SYSTEM or Caller App have ads?

Caller App shows ads; GPS SERVER SYSTEM does not.

### Which is updated more often, GPS SERVER SYSTEM or Caller App?

GPS SERVER SYSTEM ships an update every 22 months, and Caller App fortnightly. Most recently, GPS SERVER SYSTEM was updated on October 25, 2026 and Caller App on October 27, 2026.

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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.*