# Tamos vs WattCall

The clearest difference is rating: Tamos at 4.3 against WattCall's 3.0. Tamos also leads on in-app purchases (none vs 10) and ratings volume (121 vs 2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. WattCall sells 10 in-app purchases, starting at $4.99 per month. Tamos asks for nothing beyond the download.

Tamos holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: Tamos has 121 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 21% of Tamos's written reviews are positive against 9% of WattCall's.

Tamos ships an update fortnightly, WattCall every 2 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Tamos | WattCall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (121 ratings)](https://appshunter.io/ios/app/tamos/id1593440039/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/wattcall-global-calling/id6503596008/reviews) |
| Number of ratings | **121** | 2 |
| Positive reviews | **21.4% of reviews** | 9.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 110 MB | 107 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Nexus Technologies, LLC](https://appshunter.io/developer/1134731107) | [JUSI PTE.LTD.](https://appshunter.io/developer/1659814629) |

## What reviewers say

### Tamos

[App page](https://appshunter.io/ios/app/tamos/id1593440039)

Make international calls to landlines and mobile phones at competitive prices. This app offers high-quality communication and a built-in instant messenger for seamless global connectivity.

**Highlights:** International calling, Favorable rates, Call city and cell phones, High quality communication, Built-in instant messenger, Register NGN number

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


### WattCall

[App page](https://appshunter.io/ios/app/wattcall-global-calling/id6503596008)

Make international calls over Wi-Fi or cellular data without using your cell minutes. Enjoy clear, stable voice quality and features like call recording and conference calls. Reach over 230 countries and regions with this ad-free calling solution.

**Highlights:** International calls to 230+ countries, Ad-free calling experience, Clear and stable voice quality, Call recording functionality, Up to 8-way conference calls, Uses internet calls (VoIP)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Duo Voice Pro Monthly Premium | $4.99 | per month |
| Credits of $0.99 | $0.99 | one-time |
| Duo Voice Pro Credits 16500 | $0.99 | one-time |
| Duo Voice Pro Credits 13500 | $0.99 | one-time |
| Credits of $1.99 | $1.99 | one-time |
| Duo Voice Pro Credits 27000 | $1.99 | one-time |
| Credit of $4.99 | $4.99 | one-time |
| Duo Voice Pro Credits 67500 | $4.99 | one-time |
| Credits of $9.99 | $9.99 | one-time |
| Duo Voice Pro Credits 300000 | $19.99 | one-time |


## Frequently asked questions

### Is Tamos free?

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

### Is WattCall free?

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

### Which has better reviews, Tamos or WattCall?

Tamos is rated higher. Tamos averages 4.3 out of 5 from 121 ratings, while WattCall averages 3.0 from 2 ratings.

### Do Tamos or WattCall have ads?

Neither Tamos nor WattCall shows ads.

### Which is updated more often, Tamos or WattCall?

Tamos ships an update fortnightly, and WattCall every 2 weeks. Most recently, Tamos was updated on November 3, 2026 and WattCall on October 30, 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.*