# Oscillo vs Timegrapher Advanced

The clearest difference is in-app purchases: Timegrapher Advanced at none against Oscillo's 5. Timegrapher Advanced also leads on rating (5.0 vs 4.8) and iOS requirement (17.0 vs 26.0). Oscillo's advantage is ratings volume (25 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Oscillo sells 5 in-app purchases, starting at $6.99 per month. Timegrapher Advanced asks for nothing beyond the download.

Timegrapher Advanced holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Oscillo has 25 ratings behind it against 1, so its average is the more settled of the two.

Oscillo ships an update weekly, Timegrapher Advanced every 2 weeks. The most recent releases landed on October 25, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Oscillo | Timegrapher Advanced |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (25 ratings)](https://appshunter.io/ios/app/oscillo-watch-accuracy-meter/id6759264433/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/timegrapher-advanced/id6792065344/reviews)** |
| Number of ratings | **25** | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 75 MB | 4 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | +4 | 4+ |
| Developer | [Attila Halasz](https://appshunter.io/developer/790905891) | [DANIEL DAVID RICKS](https://appshunter.io/developer/6783946569) |

## What reviewers say

### Oscillo

[App page](https://appshunter.io/ios/app/oscillo-watch-accuracy-meter/id6759264433)

This app uses your iPhone's microphone to measure the rate, beat error, and amplitude of mechanical watches. It also identifies watch models, manages your collection with AI-generated portraits, and tracks performance over time. Get detailed reports and reminders to maintain your timepieces.

**Highlights:** Measure watch rate, beat error, and amplitude, AI watch identification and model detection, AI-generated watch portraits for collection, Collection management and organization, Detailed measurement history and trends, Precision tracking and multi-day cycles, Weekly watch reports and profile insights

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Oscillo Pro Monthly | $6.99 | per month |
| Oscillo Pro Annual | $29.99 | per year |
| Oscillo Pro Lifetime | $49.99 | one-time |
| Founder's Lifetime | $49.99 | one-time |
| Oscillo Pro Lifetime | $59.99 | one-time |


### Timegrapher Advanced

[App page](https://appshunter.io/ios/app/timegrapher-advanced/id6792065344)

This app transforms your iPhone into a portable mechanical watch timing instrument. It provides clear, live readings for rate, beat error, and amplitude, with customizable charts and automatic sensitivity sweeps for optimal data capture.

**Highlights:** Live rate, beat error, and amplitude measurements, Dual-line tick/tock paperstrip chart, Automatic sensitivity sweep for optimal settings, Adjustable lift angle and manual BPH, Customizable chart colors and scales, Calibration profiles for hardware timegraphers

**In-app purchases:** none


## Frequently asked questions

### Is Oscillo free?

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

### Is Timegrapher Advanced free?

Timegrapher Advanced is free to download, with no in-app purchases.

### Which has better reviews, Oscillo or Timegrapher Advanced?

Timegrapher Advanced is rated higher. Oscillo averages 4.8 out of 5 from 25 ratings, while Timegrapher Advanced averages 5.0 from 1 ratings.

### Do Oscillo or Timegrapher Advanced have ads?

Neither Oscillo nor Timegrapher Advanced shows ads.

### Which is updated more often, Oscillo or Timegrapher Advanced?

Oscillo ships an update weekly, and Timegrapher Advanced every 2 weeks. Most recently, Oscillo was updated on October 25, 2026 and Timegrapher Advanced on October 13, 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.*