# Flag Time vs DeltaClock

The clearest difference is update cadence: DeltaClock at every 4 days against Flag Time's every 10 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Flag Time sells 3 in-app purchases, starting at $0.99 per 7 days and DeltaClock sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Flag Time ships an update every 10 months, DeltaClock every 4 days. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Flag Time | DeltaClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/flag-time-world-clock/id1332312092/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 4 days** |
| Monetization | Paid | — |
| Size | 9 MB | 24 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ottorino Bruni](https://appshunter.io/developer/360574946) | [Ameliia Shekikhacheva](https://appshunter.io/developer/1833150935) |

## What reviewers say

### Flag Time

[App page](https://appshunter.io/ios/app/flag-time-world-clock/id1332312092)

This app provides a minimalist time zone widget featuring flags to help you quickly see the local time in various international locations. It's ideal for staying connected with colleagues, friends, and family across different time zones, offering customization and daylight saving time information.

**Highlights:** Manage multiple countries and flags, 20,000 cities worldwide, Customize city names, Daylight Saving Time info, Share time zones, 24h or 12h clock format

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $0.99 | per 7 days |
| 1 Year | $7.99 | per year |
| Forever | $14.99 | one-time |


### DeltaClock

[App page](https://appshunter.io/ios/app/deltaclock-time-zone-planner/id6751021160)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Subscription Monthly | $1.99 | per month |
| Pro Subscription Annual | $9.99 | per year |
| Lifetime purchase | $24.99 | one-time |


## Frequently asked questions

### Is Flag Time free?

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

### Is DeltaClock free?

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

### Do Flag Time or DeltaClock have ads?

Neither Flag Time nor DeltaClock shows ads.

### Which is updated more often, Flag Time or DeltaClock?

Flag Time ships an update every 10 months, and DeltaClock every 4 days. Most recently, Flag Time was updated on October 24, 2026 and DeltaClock on October 10, 2026.

---

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