# Time Zone Converter・Convertime vs Form Builder Studio

The clearest difference is in-app purchases: Time Zone Converter・Convertime at none against Form Builder Studio's 1. Form Builder Studio's advantage is update cadence (every 5 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Form Builder Studio sells 1 in-app purchase, starting at $8.99 per month. Time Zone Converter・Convertime asks for nothing beyond the download.

Time Zone Converter・Convertime ships an update every 2 months, Form Builder Studio every 5 days. Both last shipped on September 10, 2026.

## The numbers

| Metric | Time Zone Converter・Convertime | Form Builder Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/time-zone-converterconvertime/id6479019000/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 9 MB | 44 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Siarhei Serdziukou](https://appshunter.io/developer/1575791894) | [Bookingly Pty Ltd](https://appshunter.io/developer/1858166387) |

## What reviewers say

### Time Zone Converter・Convertime

[App page](https://appshunter.io/ios/app/time-zone-converterconvertime/id6479019000)

Easily find the current time and plan meetings across different time zones. This tool helps you avoid mental calculations by visually aligning schedules and identifying overlapping hours for seamless coordination.

**Highlights:** Multiple time zone display, Meeting planner, Visual time scale, AM/PM or 24-hour format, GMT code display, Meeting time export

**Features:** macOS Compatibility

**In-app purchases:** none


### Form Builder Studio

[App page](https://appshunter.io/ios/app/form-builder-studio/id6757665274)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $8.99 | per month |


## Frequently asked questions

### Is Time Zone Converter・Convertime free?

Time Zone Converter・Convertime is free to download, with no in-app purchases.

### Is Form Builder Studio free?

Form Builder Studio is free to download, with in-app purchases available.

### Do Time Zone Converter・Convertime or Form Builder Studio have ads?

Neither Time Zone Converter・Convertime nor Form Builder Studio shows ads.

### Which is updated more often, Time Zone Converter・Convertime or Form Builder Studio?

Time Zone Converter・Convertime ships an update every 2 months, and Form Builder Studio every 5 days. Most recently, Time Zone Converter・Convertime was updated on September 10, 2026 and Form Builder Studio on September 10, 2026.

---

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