# WhoTam vs E

The clearest difference is review sentiment: E at 100% against WhoTam's 50%. E also leads on in-app purchases (none vs 6) and device support (3 vs 1). 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. E asks for nothing beyond the download.

WhoTam ships an update every 3 weeks, E fortnightly. The most recent releases landed on August 31, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | WhoTam | E |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Freemium | **Free** |
| Size | 54 MB | 38 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PAYMASTER TECHNOLOGIES ELEKTRONIK PAZARLAMA DIS TICARET LIMITED SIRKETI](https://appshunter.io/developer/1740760883) | [VEBMANI.RU, OOO](https://appshunter.io/developer/302894187) |

## 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 |


### E

[App page](https://appshunter.io/ios/app/e-num-auth/id6503298323)

This app provides a secure and convenient authentication system. It uses a challenge-response model where your secret access key is stored on your mobile phone, eliminating the need for complex passwords and protecting against malware. Authorization is a simple process of entering a challenge value and receiving a number-answer.

**Highlights:** High-level security authentication, Secret access key stored on mobile, Challenge-response authorization, No complex passwords needed, Malware protection for access key, Efficient and economical system

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is WhoTam free?

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

### Is E free?

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

### Do WhoTam or E have ads?

Neither WhoTam nor E shows ads.

### Which is updated more often, WhoTam or E?

WhoTam ships an update every 3 weeks, and E fortnightly. Most recently, WhoTam was updated on August 31, 2026 and E on September 11, 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.*