VitaVitro_OPS vs Unit Converter Max
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VitaVitro_OPS
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This App combines graphic instruction and video to demonstrate OPS system with good interface and process operation. It includes preparetion, use method, time function and precautions when using Open Pulled Straw (OPS) for vitrification.
Unit Converter Max
This app offers fast and accurate conversions for over 30 unit categories and 150 world currencies. It features a clean interface, offline functionality, and light/dark modes, designed for travel, work, and everyday calculations.
- 30+ unit categories
- 150+ world currencies
- Offline unit conversion
- Clean, easy-to-read interface
- Light and dark mode
- Fast and accurate results
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Unit Converter Max Convert units and currencies faster. Unit Converter Max is a clean and accurate converter with 30+ unit categories and 150+ world currencies. No ads. No subscriptions. Lifetime access with a single purchase. Designed for travel, work, study, cooking, engineering, shopping, and everyday calculations. Convert Everything You Need • Length, mass, temperature, area, and volume • Speed, pressure, energy, time, and data • Power, frequency, voltage, fuel economy, and torque • Angle, force, density, current, resistance, and more • 150+ world currencies for travel and daily use Key Features • Fast and accurate results • 30+ unit categories • 150+ supported currencies • Clean, easy-to-read interface • Offline unit conversion • Light and dark mode • Built for everyday and professional use Why Users Choose Unit Converter Max - All Units Most converter apps are slow, cluttered, or filled with ads. Unit Converter Max - All Units keeps it simple: open the app, choose a unit or currency, and get the answer fast. Support & Legal Contact: support@richsoft.app Privacy Policy: https://richsoft.app/snapunit/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: VitaVitro_OPS at none against Unit Converter Max's 1. VitaVitro_OPS also leads on iOS requirement (13.0 vs 17.0). Unit Converter Max's advantage is update cadence (every 3 weeks vs every 5 months). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Unit Converter Max sells 1 one-off in-app purchase. VitaVitro_OPS asks for nothing beyond the download.
VitaVitro_OPS ships an update every 5 months, Unit Converter Max every 3 weeks. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.
| Parameter | VitaVitro_OPS | Unit Converter Max |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (26 ratings) — better |
| Positive reviews | — | 87.5% of reviews |
| Number of ratings | — | 26 — better |
| Update frequency | Every 5 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 84 MB | 36 MB |
| Age rating | 17+ | 4+ |
| Developer | Shenzhen VitaVitro Biotech Co,. Ltd | Rich Soft Co., Ltd |
In-app purchases
VitaVitro_OPS
No in-app purchases
Unit Converter Max
- All Converter Lifetime$4.99
Questions
Is VitaVitro_OPS free?
Is Unit Converter Max free?
Do VitaVitro_OPS or Unit Converter Max have ads?
Which is updated more often, VitaVitro_OPS or Unit Converter Max?
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