# SwiftConvert vs ChronoLog

The clearest difference is price: ChronoLog at Free against SwiftConvert's $0.99. ChronoLog also leads on rating (4.6 vs 4.0) and update cadence (every 3 weeks vs every 15 months). SwiftConvert's advantage is in-app purchases (none vs 2). On ads, monetization model and iOS requirement there is nothing between them.

ChronoLog is free to download; SwiftConvert costs $0.99 up front. ChronoLog sells 2 one-off in-app purchases. SwiftConvert asks for nothing beyond the download.

ChronoLog holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: ChronoLog has 238 ratings behind it against 1, so its average is the more settled of the two.

SwiftConvert ships an update every 15 months, ChronoLog every 3 weeks. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | SwiftConvert | ChronoLog |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/swiftconvert/id1018974218/reviews) | **[4.6 (238 ratings)](https://appshunter.io/ios/app/chronolog-watch-accuracy/id6452083510/reviews)** |
| Number of ratings | 1 | **238** |
| Positive reviews | — | 85.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 1 MB | 50 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Planetary Code LLC](https://appshunter.io/developer/553055934) | [tyler wood](https://appshunter.io/developer/1698739777) |

## What reviewers say

### SwiftConvert

[App page](https://appshunter.io/ios/app/swiftconvert/id1018974218)

Easily convert numbers between binary, octal, decimal, and hexadecimal bases. Input a number in one base and instantly view its representation in all supported bases. Features a specialized binary keyboard with a 64-bit grid for direct bit manipulation.

**Highlights:** Multiple number base conversion, Simultaneous display of all bases, Base-specific keyboard adjustment, 64-bit binary grid display, Copy converted numbers

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

**In-app purchases:** none


### ChronoLog

[App page](https://appshunter.io/ios/app/chronolog-watch-accuracy/id6452083510)

This app provides professional-grade tools to track the accuracy of mechanical watches. It offers audio timegraphing, photo offset measurement, and tap timing, along with detailed analytics and atomic time synchronization for collectors and enthusiasts.

**Highlights:** Audio timegrapher for rate, beat error, and amplitude, Photo offset measurement against atomic time, Tap timing for quick offset logging, Track accuracy trends over time, Atomic time synchronization, Detailed performance graphs and analytics, Manage and organize watch collection

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $5.99 | one-time |
| Premium | $6.99 | one-time |


## Frequently asked questions

### Is SwiftConvert free?

SwiftConvert costs $0.99, with no in-app purchases.

### Is ChronoLog free?

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

### Which has better reviews, SwiftConvert or ChronoLog?

ChronoLog is rated higher. SwiftConvert averages 4.0 out of 5 from 1 ratings, while ChronoLog averages 4.6 from 238 ratings.

### Do SwiftConvert or ChronoLog have ads?

Neither SwiftConvert nor ChronoLog shows ads.

### Which is updated more often, SwiftConvert or ChronoLog?

SwiftConvert ships an update every 15 months, and ChronoLog every 3 weeks. Most recently, SwiftConvert was updated on November 1, 2026 and ChronoLog on November 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.*