# Timestamp Conversion Tool vs Handbook for Swift

The clearest difference is price: Handbook for Swift at Free against Timestamp Conversion Tool's $1.99. Handbook for Swift also leads on update cadence (every 10 days vs every 38 months). Timestamp Conversion Tool's advantage is in-app purchases (none vs 5) and iOS requirement (14.0 vs 17.0). On ads and device support there is nothing between them.

Handbook for Swift is free to download; Timestamp Conversion Tool costs $1.99 up front. Handbook for Swift sells 5 in-app purchases, starting at $0.99 per 7 days. Timestamp Conversion Tool asks for nothing beyond the download.

Timestamp Conversion Tool ships an update every 38 months, Handbook for Swift every 10 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Timestamp Conversion Tool | Handbook for Swift |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/timestamp-conversion-tool/id1598277673/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 10 days** |
| Monetization | Paid | **Freemium** |
| Size | 11 MB | 212 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Kosei Suzuki](https://appshunter.io/developer/319693641) | [Beijing Tapfeng Technology Co., Ltd.](https://appshunter.io/developer/1665425079) |

## What reviewers say

### Timestamp Conversion Tool

[App page](https://appshunter.io/ios/app/timestamp-conversion-tool/id1598277673)

Easily convert between date/time and UNIX timestamps. Customize formats, time zones, and locations for accurate comparisons. Ideal for developers and debugging.

**Highlights:** Date and time to UNIX timestamp conversion, UNIX timestamp to date and time conversion, Customizable date and time formats, Easy time zone and location setting, Supports multiple countries' formats and time differences, Ad-free experience

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

**In-app purchases:** none


### Handbook for Swift

[App page](https://appshunter.io/ios/app/handbook-for-swift/id6737306962)

Access comprehensive documentation for SwiftUI, Swift Charts, SwiftData, and more, with multilingual support and efficient search. Offers personalized tutorials and note synchronization for a streamlined learning experience.

**Highlights:** Multilingual documentation support (70+ languages), Efficient filtering and navigation by module, OS, etc., Localized search functionality, Personalized Swift learning tutorials, Export documentation to Markdown, iCloud note synchronization

**Features:** Family Sharing, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Monthly | $2.99 | per month |
| Yearly | $24.99 | per year |
| Filter&Search | $0.99 | one-time |
| LifeTime | $49.99 | one-time |


## Frequently asked questions

### Is Timestamp Conversion Tool free?

Timestamp Conversion Tool costs $1.99, with no in-app purchases.

### Is Handbook for Swift free?

Handbook for Swift is free to download, with in-app purchases available.

### Do Timestamp Conversion Tool or Handbook for Swift have ads?

Neither Timestamp Conversion Tool nor Handbook for Swift shows ads.

### Which is updated more often, Timestamp Conversion Tool or Handbook for Swift?

Timestamp Conversion Tool ships an update every 38 months, and Handbook for Swift every 10 days. Most recently, Timestamp Conversion Tool was updated on October 27, 2026 and Handbook for Swift on October 25, 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.*