Русские меры vs LensDataBase
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Русские меры
This app helps you convert between historical Russian units of measurement and modern units. It's perfect for history buffs and cultural enthusiasts interested in pre-revolutionary Russia.
- Converts historical Russian units
- Converts to modern units
- Explains historical measurements
- Focuses on pre-revolutionary Russia
- No usage restrictions
Read full descriptionHide full description
Знаете ли Вы сколько метров в версте? А сколько миллиграммов весит золотник? Быть может, Вы слышали, сколько миллилитров в чарке? На эти и другие вопросы Вы сможете найти ответы с помощью данного приложения, цель и функциональные возможности которого просты: преобразование между различными единицами измерения дореволюционной России, включая единицы нынешнего времени. Приложение будет интересно в первую очередь ценителям русской культуры, истории, которые в значительной степени претерпели искажения и забытье в следствие трагических событий 1917-го года. На использование приложения нет никаких ограничений по каким-либо критериям, будь то возраст, пол и так далее.
LensDataBase
Read full descriptionHide full description
Lens Data Base — professional reference tool for cinema lenses with detailed technical specifications. Core features: Advanced search by brand, focal length and format (anamorphic, spherical, Full Frame, S35) Lens comparison by aperture, sensor coverage and optical properties Auto-compatibility check for ARRI, RED, Sony Venice and Blackmagic Built-in analysis system for vignetting and distortion For professionals: — Directors of photography and camera assistants — Lens selection for specific projects — Quick technical limitations assessment Roadmap: — Shooting schedule integration (in development) — DoF (Depth of Field) calculator — AR lens preview via iPhone camera
Screenshots
Verdict
The clearest difference is in-app purchases: LensDataBase at none against Русские меры's 1. Русские меры's advantage is device support (4 vs 2) and iOS requirement (16.0 vs 18.0). On price, update cadence and ads 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. Русские меры sells 1 one-off in-app purchase. LensDataBase asks for nothing beyond the download.
Русские меры ships an update every 5 days, LensDataBase weekly. The most recent releases landed on August 14, 2026 and September 8, 2026 respectively.
| Parameter | Русские меры | LensDataBase |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 days — better | Weekly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac, Apple Watch — better | iPhone, iPad |
| Requires iOS | 16.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 18 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Dmitry Kanunnikoff | Evgenii Skvortsov |
In-app purchases
Русские меры
- Чаевые$0.99
LensDataBase
No in-app purchases
