# WattCall vs ScoSMS

The clearest difference is in-app purchases: ScoSMS at none against WattCall's 11. WattCall's advantage is iOS requirement (12.0 vs 16.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. WattCall sells 11 in-app purchases, starting at $4.99 per month. ScoSMS asks for nothing beyond the download.

WattCall ships an update every 2 weeks, ScoSMS every 3 weeks. The most recent releases landed on September 24, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | WattCall | ScoSMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/wattcall-global-calling/id6503596008/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 9.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 107 MB | 54 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [JUSI PTE.LTD.](https://appshunter.io/developer/1659814629) | [Sconet](https://appshunter.io/developer/1653737235) |

## What reviewers say

### 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 (11)**

| 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 135000 | $9.99 | one-time |
| Duo Voice Pro Credits 300000 | $19.99 | one-time |


### ScoSMS

[App page](https://appshunter.io/ios/app/scosms/id6736614071)

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

**In-app purchases:** none


## Frequently asked questions

### Is WattCall free?

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

### Is ScoSMS free?

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

### Do WattCall or ScoSMS have ads?

Neither WattCall nor ScoSMS shows ads.

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

WattCall ships an update every 2 weeks, and ScoSMS every 3 weeks. Most recently, WattCall was updated on September 24, 2026 and ScoSMS on October 2, 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.*