# Solix Fit vs Protein Flow

The clearest difference is price: Protein Flow at Free against Solix Fit's $1.99. Protein Flow also leads on rating (4.8 vs 4.2) and update cadence (every 2 weeks vs every 2 months). Solix Fit's advantage is ads (none vs shown) and iOS requirement (12.0 vs 17.0). On review sentiment, in-app purchases and device support there is nothing between them.

Protein Flow is free to download; Solix Fit costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Protein Flow holds the better App Store score, 4.8 against 4.2. Both are backed by a comparable volume of ratings — 5 and 22 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Solix Fit ships an update every 2 months, Protein Flow every 2 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Solix Fit | Protein Flow |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/solix-fit/id1463746510/reviews) | **[4.8 (22 ratings)](https://appshunter.io/ios/app/protein-flow-protein-tracker/id6473550287/reviews)** |
| Number of ratings | 5 | **22** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Paid | **Ad-supported** |
| Size | 18 MB | 6 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Eric Morales](https://appshunter.io/developer/1463746509) | [Polkadapps, LLC](https://appshunter.io/developer/1682072451) |

## What reviewers say

### Solix Fit

[App page](https://appshunter.io/ios/app/solix-fit/id1463746510)

This app helps you monitor your health and fitness journey with an intuitive interface. Track weight, sleep, water intake, steps, workouts, and nutrition with visual progress summaries and achievement badges.

**Highlights:** Intuitive design, Progress summaries (daily, weekly, monthly), Track weight, sleep, water, steps, workouts, Color-coded nutrition tagging, Achievement badges for streaks and milestones, Share daily logs and progress

**Features:** macOS Compatibility

**In-app purchases:** none


### Protein Flow

[App page](https://appshunter.io/ios/app/protein-flow-protein-tracker/id6473550287)

Effortlessly track and optimize your daily protein intake to meet your health and fitness goals. This intuitive app helps you monitor consumption with visual charts and identify opportunities for protein boosts throughout the day.

**Highlights:** Intelligent protein tracking, Visually engaging progress charts, Identify protein intake gaps, Personalized daily protein goals, Seamless user interface, No account creation required

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Solix Fit free?

Solix Fit costs $1.99, with no in-app purchases.

### Is Protein Flow free?

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

### Which has better reviews, Solix Fit or Protein Flow?

Protein Flow is rated higher. Solix Fit averages 4.2 out of 5 from 5 ratings, while Protein Flow averages 4.8 from 22 ratings.

### Do Solix Fit or Protein Flow have ads?

Protein Flow shows ads; Solix Fit does not.

### Which is updated more often, Solix Fit or Protein Flow?

Solix Fit ships an update every 2 months, and Protein Flow every 2 weeks. Most recently, Solix Fit was updated on November 3, 2026 and Protein Flow on November 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*