# WhoTam vs LSE SmartViewer

The clearest difference is in-app purchases: LSE SmartViewer at none against WhoTam's 6. LSE SmartViewer also leads on device support (3 vs 1) and iOS requirement (11.0 vs 16.6). On price, update cadence and ads there is nothing between them.

Both are free to download. WhoTam sells 6 in-app purchases, starting at $4.19 per month. LSE SmartViewer asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | WhoTam | LSE SmartViewer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 55 MB | 158 MB |
| Requires iOS | 16.6 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [PAYMASTER TECHNOLOGIES ELEKTRONIK PAZARLAMA DIS TICARET LIMITED SIRKETI](https://appshunter.io/developer/1740760883) | [LS ELECTRIC Co., Ltd.](https://appshunter.io/developer/1121925468) |

## What reviewers say

### WhoTam

[App page](https://appshunter.io/ios/app/whotam/id6494986961)

Identify unknown callers and block spam calls with community-driven ratings. Search for any number to get information and report suspicious activity. Upgrade for advanced features like seeing who searched for you.

**Highlights:** Identify unknown callers, Block spam calls, Community-driven ratings, Report suspicious calls, In-app number search, See who searched for you (Premium)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.19 | per month |
| Premium X2 Monthly | $8.39 | per month |
| Premium | $4.19 | one-time |
| Search 100 | $4.59 | one-time |
| Premium X2 | $8.39 | one-time |
| Search 500 | $9.19 | one-time |


### LSE SmartViewer

[App page](https://appshunter.io/ios/app/lse-smartviewer/id6503331678)

**In-app purchases:** none


## Frequently asked questions

### Is WhoTam free?

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

### Is LSE SmartViewer free?

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

### Do WhoTam or LSE SmartViewer have ads?

Neither WhoTam nor LSE SmartViewer shows ads.

### Which is updated more often, WhoTam or LSE SmartViewer?

WhoTam ships an update every 3 weeks, and LSE SmartViewer every 3 weeks. Most recently, WhoTam was updated on October 16, 2026 and LSE SmartViewer on October 6, 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.*