# FastFlow vs Fastivo

The clearest difference is ads: FastFlow at none against Fastivo's shown. Fastivo's advantage is update cadence (weekly vs every 4 months) and iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. FastFlow sells 2 in-app purchases, starting at $2.99 per month and Fastivo sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

FastFlow ships an update every 4 months, Fastivo weekly. The most recent releases landed on September 8, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | FastFlow | Fastivo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Weekly** |
| Size | 2 MB | 107 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Renzo Ohhama](https://appshunter.io/developer/1812551739) | [Tomohito Kii](https://appshunter.io/developer/1689523321) |

## What reviewers say

### FastFlow

[App page](https://appshunter.io/ios/app/fastflow/id6755752536)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastFlow Premium - Monthly | $2.99 | per month |
| FastFlow Premium - Yearly | $22.99 | per year |


### 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 in-app purchases available.

### Is Fastivo free?

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

### Do FastFlow or Fastivo have ads?

Fastivo shows ads; FastFlow does not.

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

FastFlow ships an update every 4 months, and Fastivo weekly. Most recently, FastFlow was updated on September 8, 2026 and Fastivo on September 19, 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.*