Sticker Tools is a free iPhone app developed by Nikolay Lunin that allows users to easily create custom stickers for Telegram and WhatsApp. With its smart algorithm for photo cropping, users can quickly and accurately crop their desired images to create stickers.

The app also offers the ability to add speech bubbles to stickers, allowing users to add captions or text to enhance their creations. Additionally, Sticker Tools provides a range of filters that users can apply to their stickers, adding various effects and enhancing the overall visual appeal.

Furthermore, the app includes a collection of masks that users can choose from, allowing them to further customize their stickers with fun and unique designs.

Sticker Tools simplifies the process of exporting stickers to Telegram and WhatsApp, making it easy for users to share their creations with friends and family. Whether you're a fan of Telegram or WhatsApp, this app provides a convenient and user-friendly way to create personalized stickers to express yourself in chats and conversations.