# SureFiz vs CarDSPlus

The clearest difference is in-app purchases: CarDSPlus at none against SureFiz's 10. SureFiz's advantage is iOS requirement (12.0 vs 16.6). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. SureFiz sells 9 one-off in-app purchases. CarDSPlus asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for SureFiz against 5.0 for CarDSPlus. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

SureFiz ships an update every 4 weeks, CarDSPlus every 3 weeks. The most recent releases landed on September 26, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | SureFiz | CarDSPlus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/surefiz/id1440363372/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/cardsplus/id6470764242/reviews) |
| Number of ratings | 3 | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 89 MB | 9 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rasimo Systems LLC](https://appshunter.io/developer/1440363371) | [Rohan Khera](https://appshunter.io/developer/1709545475) |

## What reviewers say

### SureFiz

[App page](https://appshunter.io/ios/app/surefiz/id1440363372)

This app offers a comprehensive weight management system, integrating a smart scale with AI-powered software. It provides personalized goal setting, instant feedback, and access to health experts to support users on their journey.

**Highlights:** AI-powered personalized goal setting, Instant feedback from smart scale, Access to dietitians and trainers, Accountability circle for support, Dynamic sub-goal adjustments, Progress tracking on scale and app

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add User | $35.99 | one-time |
| Group Payment | $74.99 | one-time |
| FamilyPayment0AdditionalMember | $79.99 | one-time |
| Group Lifelong | $129.99 | one-time |
| Individual Lifelong | $139.99 | one-time |
| Individual Payment paid once | $139.99 | one-time |
| Family Yearly Payment | $149.99 | one-time |
| Family Lifelong | $199.99 | one-time |
| Family Lifelong Payment | $199.99 | one-time |


### CarDSPlus

[App page](https://appshunter.io/ios/app/cardsplus/id6470764242)

This app securely collects health data from supported wearable devices for participants in approved clinical studies. It encrypts and stores data for research purposes, adhering to study protocols and ethics approvals. Functionality is limited to enrolled study participants.

**Highlights:** Secure wearable device connection, Activity and heart rate tracking, ECG data collection, Encrypted data transfer and storage, Research-purpose data utilization, Study-specific functionality

**In-app purchases:** none


## Frequently asked questions

### Is SureFiz free?

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

### Is CarDSPlus free?

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

### Which has better reviews, SureFiz or CarDSPlus?

SureFiz and CarDSPlus are both rated 5.0 out of 5 on the App Store, from 3 and 3 ratings respectively.

### Do SureFiz or CarDSPlus have ads?

Neither SureFiz nor CarDSPlus shows ads.

### Which is updated more often, SureFiz or CarDSPlus?

SureFiz ships an update every 4 weeks, and CarDSPlus every 3 weeks. Most recently, SureFiz was updated on September 26, 2026 and CarDSPlus on September 25, 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.*