# Grido vs FastZen

The clearest difference is in-app purchases: Grido at none against FastZen's 3. Grido also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. FastZen sells 3 one-off in-app purchases. Grido asks for nothing beyond the download.

Grido ships an update every 8 days, FastZen weekly. Both last shipped on October 7, 2026.

## The numbers

| Metric | Grido | FastZen |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 253 MB | 2 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Grido AB](https://appshunter.io/developer/1778520239) | [Benjamin Dupin](https://appshunter.io/developer/1871474236) |

## What reviewers say

### Grido

[App page](https://appshunter.io/ios/app/grido/id6760365752)

**In-app purchases:** none


### FastZen

[App page](https://appshunter.io/ios/app/fastzen-fasting-timer/id6761484595)

This app helps you manage your fasting schedule with customizable timers and reminders. It offers a recurring weekly routine, a timer that remembers your progress, and a clear view of your active fast. Review your history and track your streaks, all while keeping your data private on your device.

**Highlights:** Customizable fasting schedules, Recurring weekly routine setup, Live Activities for active fast tracking, Detailed fasting history and streaks, No account, ads, or server sync, Custom Week one-time purchase

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $0.99 | one-time |
| Thanks | $2.99 | one-time |
| Support development | $4.99 | one-time |


## Frequently asked questions

### Is Grido free?

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

### Is FastZen free?

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

### Do Grido or FastZen have ads?

Neither Grido nor FastZen shows ads.

### Which is updated more often, Grido or FastZen?

Grido ships an update every 8 days, and FastZen weekly. Most recently, Grido was updated on October 7, 2026 and FastZen 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.*