Правила русского языка + vs Vipervision
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Правила русского языка +
This app provides comprehensive rules of the Russian language with an intelligent search function. It's designed to help users understand and apply grammatical principles effectively. Contact developers via app settings for any inquiries.
- Russian language grammar rules
- Intelligent search
- Grammar explanations
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Правила русского языка с умным поиском.
Vipervision
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ViperVision is the AI-powered field journal for snake lovers, hikers, herpers, and curious naturalists. Point your camera at any snake and get an instant species identification, a venom safety warning, and a beautifully written field profile — all powered by advanced on-the-fly AI vision. WHY VIPERVISION • Instant snake ID from a single photo or live camera capture • Clear venomous / non-venomous safety badge • Rich species profile: scientific name, family, habitat, range, diet, behavior, conservation status, AI field notes • Confidence score so you always know how sure the model is • Beautiful sage-and-cream field journal aesthetic — calm, premium, scientifically rich BUILT FOR THE FIELD • Live viewfinder with a pulsing scan ring while the AI analyzes your subject • Photo library import for shots you took earlier • Works on common species and rare ones across North America, Latin America, Europe, Africa, Asia, and Australia • Honest answers — if the model isn't sure, it tells you LIFE LIST & GAMIFICATION • Personal Life List of every snake you've identified, with date, location, and full profile • Explorer XP rewards every find, with bonuses for new species, rare species, and venomous spots • Daily streak counter with a flame icon for consecutive days of field research • Unlockable badges: First Find, Venom Spotter, Constrictor Collector, 7-Day Streak, and more • Lifetime stats and a streak calendar heatmap on your Profile ECOSYSTEM-WIDE FEATURES • Lock Screen widget: a rotating Species of the Day card to learn one new snake every morning • Dynamic Island Live Activity that tracks the AI's processing progress in real time • iMessage Specimen Cards: share any of your finds as a rich, interactive card inside Messages SAFETY FIRST ViperVision is designed to help you make smarter, safer decisions in the field. Venomous species are flagged with a Safety Orange warning banner and clear, plain-language guidance. Never handle a snake based solely on an app — but knowing what you're looking at can save your life. PREMIUM MEMBERSHIP Free explorers get 3 starter identifications. Unlock unlimited snake IDs, the full Life List experience, badges, widgets, Live Activities, and Specimen Card sharing with Premium: • Weekly: $4.99/week • Yearly: $44.99/year (best value, ~82% off the weekly price) Subscriptions auto-renew until canceled in your App Store settings. Cancel anytime. PRIVACY Your photos and Life List stay on your device. We never sell your data. Privacy Policy: https://www.boyswithbeards.net/privacy/ Terms of Service: https://www.boyswithbeards.net/privacy/ Support: info@boyswithbeards.net Download ViperVision and turn every trail, backyard, and rainforest into a living field journal.
Screenshots
Verdict
Правила русского языка + and Vipervision are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Правила русского языка + sells 1 one-off in-app purchase and Vipervision sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Правила русского языка + ships an update every 2 months, Vipervision every 6 weeks. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.
| Parameter | Правила русского языка + | Vipervision |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (27 ratings) — better | — |
| Positive reviews | 53.5% of reviews | — |
| Number of ratings | 27 — better | — |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 9 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Aleksei Mezhevikin | boyswithbeards |
In-app purchases
Правила русского языка +
- Полная версия приложения$1.99
Vipervision
- Weekly Premium$4.997 Days
- Yearly Premium$44.991 Year
Questions
Is Правила русского языка + free?
Is Vipervision free?
Do Правила русского языка + or Vipervision have ads?
Which is updated more often, Правила русского языка + or Vipervision?
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