# Strobe tachometer (RPM meter) vs OD browser

The clearest difference is ads: Strobe tachometer (RPM meter) at none against OD browser's shown. OD browser's advantage is update cadence (every 3 weeks vs every 4 months) and iOS requirement (12.0 vs 15.6). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Strobe tachometer (RPM meter) sells 2 one-off in-app purchases and OD browser sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.3 for Strobe tachometer (RPM meter) against 4.4 for OD browser. Both are backed by a comparable volume of ratings — 83 and 47 respectively. Written reviews are what separate them: 69% of Strobe tachometer (RPM meter)'s written reviews are positive against 64% of OD browser's.

Strobe tachometer (RPM meter) ships an update every 4 months, OD browser every 3 weeks. Both last shipped on October 21, 2026.

## The numbers

| Metric | Strobe tachometer (RPM meter) | OD browser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (83 ratings)](https://appshunter.io/ios/app/strobe-tachometer-rpm-meter/id831460940/reviews) | **[4.4 (47 ratings)](https://appshunter.io/ios/app/od-browser/id1402519075/reviews)** |
| Number of ratings | **83** | 47 |
| Positive reviews | **69.0% of reviews** | 63.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 16 MB | 50 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Dmitriy Kharutskiy](https://appshunter.io/developer/817385891) | [Lin MingHsun](https://appshunter.io/developer/1402519074) |

## What reviewers say

### Strobe tachometer (RPM meter)

[App page](https://appshunter.io/ios/app/strobe-tachometer-rpm-meter/id831460940)

Measure rotational speeds of objects using your phone's flashlight, laser, or magnetic sensor. Detect precise RPMs with adjustable flicker frequencies and a wide measurement range. Ideal for analyzing fan speeds, engine RPMs, and more.

**Highlights:** Strobe tachometer function, Laser tachometer mode, Magnetic tachometer mode, Adjustable flicker frequency, RPM and Hz display, High precision measurement

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version of the stroboscopic tachometer | $2.99 | one-time |
| Laser Tachometer and Magnetic | $2.99 | one-time |


### OD browser

[App page](https://appshunter.io/ios/app/od-browser/id1402519075)

This AI-powered browser offers a faster, smarter, and more private browsing experience. It provides quick access to popular Japanese websites and includes features to block ads and significantly reduce data usage through encryption and compression.

**Highlights:** AI-powered browsing, Quick access to popular Japanese websites, Ad blocking, Data usage reduction (up to 90%), Website favorites

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A cup of tea | $0.99 | one-time |
| A pork rice | $0.99 | one-time |
| Three eggs | $0.99 | one-time |
| A  chicken chops | $1.99 | one-time |
| A packed lunch | $2.99 | one-time |
| A movie ticket | $6.99 | one-time |
| A steak | $11.99 | one-time |
| A flight ticket | $99.99 | one-time |


## Frequently asked questions

### Is Strobe tachometer (RPM meter) free?

Strobe tachometer (RPM meter) is free to download, with in-app purchases available.

### Is OD browser free?

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

### Which has better reviews, Strobe tachometer (RPM meter) or OD browser?

OD browser is rated higher. Strobe tachometer (RPM meter) averages 4.3 out of 5 from 83 ratings, while OD browser averages 4.4 from 47 ratings.

### Do Strobe tachometer (RPM meter) or OD browser have ads?

OD browser shows ads; Strobe tachometer (RPM meter) does not.

### Which is updated more often, Strobe tachometer (RPM meter) or OD browser?

Strobe tachometer (RPM meter) ships an update every 4 months, and OD browser every 3 weeks. Most recently, Strobe tachometer (RPM meter) was updated on October 21, 2026 and OD browser on October 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*