# DoFasting Intermittent Fasting vs SIMS Red

The clearest difference is in-app purchases: SIMS Red at none against DoFasting Intermittent Fasting's 11. DoFasting Intermittent Fasting's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (13.0 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. DoFasting Intermittent Fasting sells 11 in-app purchases, starting at $32.99 per 3 months. SIMS Red asks for nothing beyond the download.

DoFasting Intermittent Fasting ships an update every 3 weeks, SIMS Red every 2 months. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | DoFasting Intermittent Fasting | SIMS Red |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (4.8K ratings)](https://appshunter.io/ios/app/dofasting-intermittent-fasting/id1456288628/reviews)** | — |
| Number of ratings | **4.8K** | — |
| Positive reviews | 38.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Subscription | — |
| Size | 67 MB | 135 MB |
| Requires iOS | **13.0** | 18.5 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [FASTING SOLUTIONS UAB](https://appshunter.io/developer/1548000581) | [NEUVATEK Inc.](https://appshunter.io/developer/1664797093) |

## What reviewers say

### DoFasting Intermittent Fasting

[App page](https://appshunter.io/ios/app/dofasting-intermittent-fasting/id1456288628)

This app offers personalized intermittent fasting plans to support weight loss and healthy eating. It includes trackers for calories, water, and steps, along with a vast recipe library and workout routines designed by professionals. Users receive tailored guidance and motivation to build sustainable habits.

**Highlights:** Personalized intermittent fasting plans, Calorie, fasting, water, and step trackers, Health app integration for seamless monitoring, Extensive recipe library (vegan, keto, paleo, etc.), Customized workout routines by professional coaches, Weekly progress insights and reminders, Guidance on healthy eating and emotional health

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 months plan | $32.99 | per 3 months |
| 1 month plan | $32.99 | per month |
| 3 months plan | $33.99 | per 3 months |
| 1 month plan | $36.99 | per month |
| 3 months plan | $39.90 | per 3 months |
| 6 months plan | $45.99 | per 6 months |
| 3 months plan | $45.99 | per 3 months |
| 3 months plan | $47.99 | per 3 months |
| 6 months plan | $65.99 | per 6 months |
| Annual plan | $66.99 | per year |
| 6 months plan | $68.99 | per 6 months |

**What reviewers like**

- 🚀 Easy to use and track fasting
- 📊 Helpful for weight loss and health
- 🔍 Provides useful information and articles
- 🔔 Motivating reminders and notifications

**What reviewers complain about**

- 🐛 Buggy app with frequent crashes
- 💰 Expensive subscription, poor value
- 🔒 Difficult to cancel subscription
- 🤖 Poor customer service and communication

**Reported bugs**

- App freezes and loses fasting data
- Inaccurate weight and progress tracking
- Issues with starting/stopping fasts
- Subscription charges despite cancellation

**Requested features**

- Ability to manually edit fasting times
- Improved food and calorie tracking
- Integration with other health apps
- More customization options


### SIMS Red

[App page](https://appshunter.io/ios/app/sims-red/id6752371944)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DoFasting Intermittent Fasting free?

DoFasting Intermittent Fasting is free to download, with in-app purchases available.

### Is SIMS Red free?

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

### Do DoFasting Intermittent Fasting or SIMS Red have ads?

Neither DoFasting Intermittent Fasting nor SIMS Red shows ads.

### Which is updated more often, DoFasting Intermittent Fasting or SIMS Red?

DoFasting Intermittent Fasting ships an update every 3 weeks, and SIMS Red every 2 months. Most recently, DoFasting Intermittent Fasting was updated on October 25, 2026 and SIMS Red on October 7, 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.*
