# Grattis vs TimeFlow

The clearest difference is in-app purchases: Grattis at none against TimeFlow's 3. Grattis also leads on ads (none vs shown) and update cadence (weekly vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. TimeFlow sells 3 in-app purchases, starting at $0.99 per month. Grattis asks for nothing beyond the download.

Grattis ships an update weekly, TimeFlow every 3 weeks. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Grattis | TimeFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 13 MB | 9 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Victor Keinander](https://appshunter.io/developer/765696956) | [ismail kirenli](https://appshunter.io/developer/1894357775) |

## What reviewers say

### Grattis

[App page](https://appshunter.io/ios/app/grattis-birthday-tracker/id6767310124)

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

**In-app purchases:** none


### TimeFlow

[App page](https://appshunter.io/ios/app/timeflow-countdown-timer/id6772533223)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TimeFlow Pro Monthly | $0.99 | per month |
| TimeFlow Pro Yearly | $4.99 | per year |
| TimeFlow Pro | $9.99 | one-time |


## Frequently asked questions

### Is Grattis free?

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

### Is TimeFlow free?

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

### Do Grattis or TimeFlow have ads?

TimeFlow shows ads; Grattis does not.

### Which is updated more often, Grattis or TimeFlow?

Grattis ships an update weekly, and TimeFlow every 3 weeks. Most recently, Grattis was updated on November 9, 2026 and TimeFlow on November 5, 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.*