# FastMate vs Solstice

The clearest difference is ads: Solstice at none against FastMate's shown. Solstice also leads on update cadence (every 9 days vs every 5 months). FastMate's advantage is iOS requirement (15.6 vs 18.2). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FastMate ships an update every 5 months, Solstice every 9 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | FastMate | Solstice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/solstice-intermittent-fasting/id6802910075/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 9 days** |
| Monetization | — | Free |
| Size | 29 MB | 5 MB |
| Requires iOS | **15.6** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [TensifyTech LLP](https://appshunter.io/developer/1773337081) | [James Grusy](https://appshunter.io/developer/6802910077) |

## What reviewers say

### FastMate

[App page](https://appshunter.io/ios/app/fastmate-intermittent-fasting/id6743422473)

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

**In-app purchases:** none


### Solstice

[App page](https://appshunter.io/ios/app/solstice-intermittent-fasting/id6802910075)

Track your intermittent fasting with biological precision and a clean, clutter-free design. Monitor metabolic stages and build consistent habits without subscriptions or paywalls. Offers elegant timers, visual progress tracking, and privacy-focused, on-device data storage.

**Highlights:** Elegant circular timer with tactile adjustments, 5 metabolic fasting stages tracking, Flexible and customizable fasting protocols, Visual calendar heatmap for consistency, Solar and dark mode themes, 100% private and on-device data

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

**In-app purchases:** none


## Frequently asked questions

### Is FastMate free?

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

### Is Solstice free?

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

### Do FastMate or Solstice have ads?

FastMate shows ads; Solstice does not.

### Which is updated more often, FastMate or Solstice?

FastMate ships an update every 5 months, and Solstice every 9 days. Most recently, FastMate was updated on October 28, 2026 and Solstice on October 31, 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.*