Apps by Nikolai Tsyrenov

Built by one person. Every one of them runs on the device — no account to make, no server to trust, nothing uploaded.

• PennaA day planner for people who lose time.Product page →
• ReviveRepairs an old family photo instead of inventing a new one.Product page →
• Is This a Scam?Reads a frightening official letter and names what's wrong with it.Product page →
• WarrantyKeepEvery warranty and return window, with the deadline before it passes.Product page →
• ZurkhaiThe Buryat-Mongolian Buddhist almanac, calculated not guessed.Product page →
• ServlogScan a receipt and the car log fills itself.Product page →
• SublyWord-by-word captions and an AI narrator, all on the phone.Product page →
• Magic MergeA cozy merge puzzle and a garden, with no energy timers.Product page →
• DurakThe card game, with a bot that cannot see your cards.Product page →