# DRON ROLL RUN vs Oscillo

The clearest difference is in-app purchases: DRON ROLL RUN at none against Oscillo's 5. DRON ROLL RUN also leads on iOS requirement (10.0 vs 26.0). 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. DRON ROLL RUN asks for nothing beyond the download.

DRON ROLL RUN ships an update every 4 days, Oscillo weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | DRON ROLL RUN | Oscillo |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 58 MB | 75 MB |
| Requires iOS | **10.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | +4 |
| Developer | [ShanTou City Vison Electronictechnology Co., Ltd.](https://appshunter.io/developer/1388222999) | [Attila Halasz](https://appshunter.io/developer/790905891) |

## What reviewers say

### DRON ROLL RUN

[App page](https://appshunter.io/ios/app/dron-roll-run/id6463711946)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is DRON ROLL RUN free?

DRON ROLL RUN is free to download, with no in-app purchases.

### Is Oscillo free?

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

### Do DRON ROLL RUN or Oscillo have ads?

Neither DRON ROLL RUN nor Oscillo shows ads.

### Which is updated more often, DRON ROLL RUN or Oscillo?

DRON ROLL RUN ships an update every 4 days, and Oscillo weekly. Most recently, DRON ROLL RUN was updated on October 25, 2026 and Oscillo on October 25, 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.*