# SOL vs SheFast

The clearest difference is in-app purchases: SOL at none against SheFast's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SheFast sells 3 in-app purchases, starting at $3.99 per 7 days. SOL asks for nothing beyond the download.

SOL ships an update fortnightly, SheFast every 4 weeks. The most recent releases landed on September 22, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | SOL | SheFast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/shefast-cycle-fasting-tracker/id6763439355/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 weeks |
| Monetization | — | Subscription |
| Size | 6 MB | 37 MB |
| Requires iOS | 16 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Danny Linsner](https://appshunter.io/developer/1888416267) | [Omnivera LLC](https://appshunter.io/developer/1895315592) |

## What reviewers say

### SOL

[App page](https://appshunter.io/ios/app/sol-fasting-timer-and-tracker/id6761254200)

**In-app purchases:** none


### SheFast

[App page](https://appshunter.io/ios/app/shefast-cycle-fasting-tracker/id6763439355)

This app offers cycle-synced fasting plans that adapt to your body's natural phases. It provides personalized fasting windows, gentle reminders, and progress tracking to support your wellness journey without demanding perfection.

**Highlights:** Cycle-aware fasting plans, Personalized fasting windows, Rest days to protect streaks, Guided daily wellness course, Fasting history and progress insights, Water and protein tracking, Gentle reminders

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $3.99 | per 7 days |
| SheFast Premium Monthly | $14.99 | per month |
| Yearly Access | $64.99 | per year |


## Frequently asked questions

### Is SOL free?

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

### Is SheFast free?

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

### Do SOL or SheFast have ads?

Neither SOL nor SheFast shows ads.

### Which is updated more often, SOL or SheFast?

SOL ships an update fortnightly, and SheFast every 4 weeks. Most recently, SOL was updated on September 22, 2026 and SheFast on September 17, 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.*