# WTFatLite vs ZenScan BP

The clearest difference is ads: ZenScan BP at none against WTFatLite's shown. ZenScan BP also leads on update cadence (fortnightly vs every 3 months). WTFatLite's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.6). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

WTFatLite ships an update every 3 months, ZenScan BP fortnightly. The most recent releases landed on September 20, 2026 and July 31, 2026 respectively.

## The numbers

| Metric | WTFatLite | ZenScan BP |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 6 MB | 6 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [F-NET Apps](https://appshunter.io/developer/537078708) | [Cheng Jen Chang](https://appshunter.io/developer/1805506081) |

## What reviewers say

### WTFatLite

[App page](https://appshunter.io/ios/app/wtfatlite-with-physics-engine/id596265268)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZenScan BP

[App page](https://appshunter.io/ios/app/zenscan-bp-scan-and-save/id6745401925)

This app uses your phone's camera to scan and record blood pressure readings from a digital monitor. It offers fast, accurate, and easy tracking, with optional syncing to Apple Health for centralized health data management. Designed with a clean interface for users of all ages.

**Highlights:** Scan BP readings with phone camera, No Bluetooth or device pairing needed, Record systolic, diastolic, and pulse, Sync with Apple Health (iOS only), Simple UI for all ages, Data import and export

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WTFatLite free?

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

### Is ZenScan BP free?

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

### Do WTFatLite or ZenScan BP have ads?

WTFatLite shows ads; ZenScan BP does not.

### Which is updated more often, WTFatLite or ZenScan BP?

WTFatLite ships an update every 3 months, and ZenScan BP fortnightly. Most recently, WTFatLite was updated on September 20, 2026 and ZenScan BP on July 31, 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.*