# FastFlow vs Fastivo

The clearest difference is in-app purchases: FastFlow at none against Fastivo's 3. Fastivo's advantage is update cadence (every 10 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Fastivo sells 3 in-app purchases, starting at $2.99 per month. FastFlow asks for nothing beyond the download.

FastFlow ships an update every 4 months, Fastivo every 10 days. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | FastFlow | Fastivo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 10 days** |
| Monetization | Ad-supported | — |
| Size | 34 MB | 108 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Caprio Lab](https://appshunter.io/developer/1841174043) | [Tomohito Kii](https://appshunter.io/developer/1689523321) |

## What reviewers say

### FastFlow

[App page](https://appshunter.io/ios/app/fastflow-fasting-tracker/id6756208094)

This app helps users manage intermittent fasting schedules with a visual timer and customizable patterns. It also allows for weight tracking, meal logging with photos, and smart notifications to build healthy habits.

**Highlights:** Circular fasting timer, Flexible fasting patterns, Weight progress graph, Meal logging with photos, Smart notifications, Cloud data sync

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

**In-app purchases:** none


### Fastivo

[App page](https://appshunter.io/ios/app/fastivo-fasting-timer/id6760152626)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly - FastWise | $2.99 | per month |
| Annual - FastWise | $14.99 | per year |
| Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is FastFlow free?

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

### Is Fastivo free?

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

### Do FastFlow or Fastivo have ads?

Both FastFlow and Fastivo show ads.

### Which is updated more often, FastFlow or Fastivo?

FastFlow ships an update every 4 months, and Fastivo every 10 days. Most recently, FastFlow was updated on October 3, 2026 and Fastivo on October 6, 2026.

---

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