# CASIO WATCH+ vs ChronoLog

The clearest difference is review sentiment: ChronoLog at 85% against CASIO WATCH+'s 18%. ChronoLog also leads on rating (4.6 vs 2.9) and ratings volume (236 vs 44). CASIO WATCH+'s advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ChronoLog sells 2 one-off in-app purchases. CASIO WATCH+ asks for nothing beyond the download.

ChronoLog holds the better App Store score, 4.6 against 2.9. That said, the two scores are not equally well evidenced: ChronoLog has 236 ratings behind it against 44, so its average is the more settled of the two. Written reviews point the same way: 18% of CASIO WATCH+'s written reviews are positive against 85% of ChronoLog's.

CASIO WATCH+ ships an update monthly, ChronoLog every 3 weeks. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CASIO WATCH+ | ChronoLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (44 ratings)](https://appshunter.io/ios/app/casio-watch-plus/id760165998/reviews) | **[4.6 (236 ratings)](https://appshunter.io/ios/app/chronolog-watch-accuracy/id6452083510/reviews)** |
| Number of ratings | 44 | **236** |
| Positive reviews | 17.8% of reviews | **85.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Paid |
| Size | 69 MB | 50 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CASIO COMPUTER CO., LTD.](https://appshunter.io/developer/456569836) | [tyler wood](https://appshunter.io/developer/1698739777) |

## What reviewers say

### CASIO WATCH+

[App page](https://appshunter.io/ios/app/casio-watch-plus/id760165998)

Connect your compatible CASIO watch to your iPhone via Bluetooth to unlock enhanced Mobile Link functions. This application simplifies watch operations by allowing you to control them from your phone screen, enriching your overall experience.

**Highlights:** Bluetooth v4.0 connectivity, Mobile Link functions, Simplified watch operations, iPhone integration, Remote control via phone screen

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Works well with iPhone 6/6s
- 👍 Easy to use interface
- 👍 Able to sync watch settings
- 👍 Helpful support for clearing pairing info

**What reviewers complain about**

- 🐛 Connectivity issues with newer iPhones
- 🐛 App crashes frequently
- 🐛 Fails to connect to watch
- 🐛 Unreliable Bluetooth connection
- 🐛 Time/date sync problems

**Reported bugs**

- Compatibility issues with iOS updates
- Pairing problems with iPhone 6/6s/7
- Sync failures and connection drops
- Watch settings not transferring properly

**Requested features**

- Show watch battery status
- Add more world time cities
- Improve phone finder functionality
- Allow more control over alarms/timers


### 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 CASIO WATCH+ free?

CASIO WATCH+ is free to download, with no in-app purchases.

### Is ChronoLog free?

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

### Which has better reviews, CASIO WATCH+ or ChronoLog?

ChronoLog is rated higher. CASIO WATCH+ averages 2.9 out of 5 from 44 ratings, while ChronoLog averages 4.6 from 236 ratings.

### Do CASIO WATCH+ or ChronoLog have ads?

Neither CASIO WATCH+ nor ChronoLog shows ads.

### Which is updated more often, CASIO WATCH+ or ChronoLog?

CASIO WATCH+ ships an update monthly, and ChronoLog every 3 weeks. Most recently, CASIO WATCH+ was updated on November 5, 2026 and ChronoLog on November 3, 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.*