# Oscillo vs TraceLogic Pro

The clearest difference is in-app purchases: TraceLogic Pro at none against Oscillo's 5. TraceLogic Pro also leads on device support (3 vs 1) and iOS requirement (15.1 vs 26.0). On price, update cadence and ads there is nothing between them.

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

Oscillo ships an update weekly, TraceLogic Pro every 6 days. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Oscillo | TraceLogic Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (26 ratings)](https://appshunter.io/ios/app/oscillo-watch-accuracy-meter/id6759264433/reviews)** | — |
| Number of ratings | **26** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 75 MB | 43 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [Attila Halasz](https://appshunter.io/developer/790905891) | [LOGICCORE TECHNOLOGIES LTD](https://appshunter.io/developer/1895728392) |

## 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 |


### TraceLogic Pro

[App page](https://appshunter.io/ios/app/tracelogic-pro/id6764313254)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Oscillo free?

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

### Is TraceLogic Pro free?

TraceLogic Pro is free to download, with no in-app purchases.

### Do Oscillo or TraceLogic Pro have ads?

Neither Oscillo nor TraceLogic Pro shows ads.

### Which is updated more often, Oscillo or TraceLogic Pro?

Oscillo ships an update weekly, and TraceLogic Pro every 6 days. Most recently, Oscillo was updated on October 25, 2026 and TraceLogic Pro on October 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.*