# ViewCaller vs OSS

The clearest difference is in-app purchases: OSS at none against ViewCaller's 8. OSS also leads on update cadence (every 5 days vs every 3 weeks). ViewCaller's advantage is iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. ViewCaller sells 7 in-app purchases, starting at $2.99 per month. OSS asks for nothing beyond the download.

ViewCaller ships an update every 3 weeks, OSS every 5 days. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | ViewCaller | OSS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (776 ratings)](https://appshunter.io/ios/app/viewcaller-caller-id/id1488464489/reviews)** | — |
| Number of ratings | **776** | — |
| Positive reviews | 16.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 46 MB | 64 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SMART MEDIA INTERNET MARKETING LTD](https://appshunter.io/developer/718353904) | [Fernando Daniel Velazquez Herrera](https://appshunter.io/developer/1444984462) |

## What reviewers say

### ViewCaller

[App page](https://appshunter.io/ios/app/viewcaller-caller-id/id1488464489)

Identify unknown callers and block unwanted spam calls with real-time detection. Access a global database to screen calls and manage your communication for enhanced privacy and security.

**Highlights:** Real-time spam detection, Global community insight, Customizable blocking, Enhanced caller ID, Identify callers instantly, Reverse phone lookup

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ViewCaller Monthly | $2.99 | per month |
| ViewCaller Monthly | $2.99 | per month |
| ViewCaller Weekly | $2.99 | per 7 days |
| Unlimited access | $4.99 | per month |
| ViewCaller Annual Subscription | $19.99 | per year |
| Unlimited access | $19.99 | per year |
| Unlimited access | $39.99 | per year |

**What reviewers complain about**

- ❌ Does not work
- ❌ Inaccurate results
- ❌ Useless functionality
- ❌ Fake app
- ❌ Waste of money

**Reported bugs**

- Number pad only displays 1-9
- App does not look up any numbers
- Returns 'number not available' for all lookups
- Shows other people's numbers for own number
- Shows incorrect caller ID even after updates


### OSS

[App page](https://appshunter.io/ios/app/oss/id1641990357)

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

**In-app purchases:** none


## Frequently asked questions

### Is ViewCaller free?

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

### Is OSS free?

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

### Do ViewCaller or OSS have ads?

Neither ViewCaller nor OSS shows ads.

### Which is updated more often, ViewCaller or OSS?

ViewCaller ships an update every 3 weeks, and OSS every 5 days. Most recently, ViewCaller was updated on October 13, 2026 and OSS on October 12, 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.*