# Glasses vs Chronometer

The clearest difference is review sentiment: Glasses at 93% against Chronometer's 0%. Glasses also leads on price (Free vs $2.99) and rating (4.8 vs 3.1). Chronometer's advantage is in-app purchases (none vs 3). On update cadence, ads, device support and iOS requirement there is nothing between them.

Glasses is free to download; Chronometer costs $2.99 up front. Glasses sells 3 one-off in-app purchases. Chronometer asks for nothing beyond the download.

Glasses holds the better App Store score, 4.8 against 3.1. That said, the two scores are not equally well evidenced: Glasses has 7.8K ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 93% of Glasses's written reviews are positive against 0% of Chronometer's.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Glasses | Chronometer |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.8 (7.8K ratings)](https://appshunter.io/ios/app/glasses/id308325486/reviews)** | [3.1 (8 ratings)](https://appshunter.io/ios/app/chronometer/id1562013733/reviews) |
| Number of ratings | **7.8K** | 8 |
| Positive reviews | **92.8% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 3 MB | 3 MB |
| Requires iOS | 18.6 | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Yodel Code](https://appshunter.io/developer/300913140) | [Kilian Eisenegger](https://appshunter.io/developer/1333678887) |

## What reviewers say

### Glasses

[App page](https://appshunter.io/ios/app/glasses/id308325486)

Magnify small text and objects with your phone's camera, even in low light. Use the front camera as a handy mirror for quick touch-ups. Save and archive images for later viewing.

**Highlights:** Digital magnifier with flashlight, Up to 12x magnification, Front-facing camera as a cosmetic mirror, Quick zoom by double-tapping, Continuous zoom by swiping, Freeze image with tap and hold, Image archiving and saving

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Patron | $1.99 | one-time |
| Backer | $2.99 | one-time |
| Hero | $4.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🔍 Excellent magnification
- 💡 Convenient for reading small print
- 🔦 Integrated flashlight feature
- 📸 Ability to take photos of magnified content

**What reviewers complain about**

- 🐛 Compatibility issues with newer iOS versions
- 🔋 Concerns about high battery consumption
- 🔍 Lack of brightness control
- 🔍 Limited zoom range

**Reported bugs**

- App crashes or freezes during use
- Difficulty returning to live view after taking a snapshot

**Requested features**

- Ability to save and retrieve magnified images
- Option to adjust brightness/contrast
- Support for higher zoom levels
- Compatibility improvements for newer devices


### Chronometer

[App page](https://appshunter.io/ios/app/chronometer/id1562013733)

Easily track your watch's accuracy against atomic time. Simply set your watch to atomic time, take a photo of the dial within the app, and record the difference. Analyze daily deviations over 15 days to assess your watch's performance.

**Highlights:** Track daily watch accuracy, Compare against atomic time, Photo capture for time reading, Altitude recording, Save data in CSV format, Analyze 15-day data trends

**In-app purchases:** none


## Frequently asked questions

### Is Glasses free?

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

### Is Chronometer free?

Chronometer costs $2.99, with no in-app purchases.

### Which has better reviews, Glasses or Chronometer?

Glasses is rated higher. Glasses averages 4.8 out of 5 from 7.8K ratings, while Chronometer averages 3.1 from 8 ratings.

### Do Glasses or Chronometer have ads?

Neither Glasses nor Chronometer shows ads.

### Which is updated more often, Glasses or Chronometer?

Glasses ships an update every 5 months, and Chronometer every 5 months. Most recently, Glasses was updated on October 12, 2026 and Chronometer on October 8, 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.*