# Flex vs GallDiet

The clearest difference is review sentiment: Flex at 100% against GallDiet's 50%. Flex also leads on in-app purchases (none vs 4) and rating (5.0 vs 4.6). GallDiet's advantage is update cadence (every 4 days vs every 6 months) and iOS requirement (15.1 vs 18.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. GallDiet sells 4 in-app purchases, starting at $9.99 per 7 days. Flex asks for nothing beyond the download.

Flex holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 7 and 9 respectively. Written reviews point the same way: 100% of Flex's written reviews are positive against 50% of GallDiet's.

Flex ships an update every 6 months, GallDiet every 4 days. The most recent releases landed on September 23, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Flex | GallDiet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/flex-workout-tracker/id6758920531/reviews)** | [4.6 (9 ratings)](https://appshunter.io/ios/app/galldiet-gallbladder-diet/id6761399514/reviews) |
| Number of ratings | 7 | **9** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 47 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [KEVIN BROWN](https://appshunter.io/developer/1803158449) | [Caleb Oki](https://appshunter.io/developer/1889381201) |

## What reviewers say

### Flex

[App page](https://appshunter.io/ios/app/flex-workout-tracker/id6758920531)

Effortlessly track your strength training progress, build personalized workout routines, and visualize your lifts with an intelligent plate calculator. Syncs data across devices using iCloud for seamless access and prioritizes privacy with Sign in with Apple.

**Highlights:** Effortless workout tracking, Personalized workout templates, Customizable workout folders, Smart Plate Calculator, Cross-device iCloud sync, Privacy-focused with Sign in with Apple

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### GallDiet

[App page](https://appshunter.io/ios/app/galldiet-gallbladder-diet/id6761399514)

Identify and avoid personal food triggers for gallbladder attacks. Scan meals to get a safety score, discover risky ingredients, and find safer recipe alternatives. Track symptoms to understand your unique patterns.

**Highlights:** Personalized meal safety scores, Identify risky ingredients with explanations, Track attacks and symptoms, Discover personal trigger patterns, Suggest safer recipe alternatives, Scan packaged food barcodes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $9.99 | per 7 days |
| GallDiet Premium | $14.99 | per month |
| GallDiet Premium | $129.99 | per year |
| GallDiet Premium | $129.99 | per year |


## Frequently asked questions

### Is Flex free?

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

### Is GallDiet free?

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

### Which has better reviews, Flex or GallDiet?

Flex is rated higher. Flex averages 5.0 out of 5 from 7 ratings, while GallDiet averages 4.6 from 9 ratings.

### Do Flex or GallDiet have ads?

Neither Flex nor GallDiet shows ads.

### Which is updated more often, Flex or GallDiet?

Flex ships an update every 6 months, and GallDiet every 4 days. Most recently, Flex was updated on September 23, 2026 and GallDiet on October 2, 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.*