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Gemini App Soars After Nano Banana Image Editor Launch

Google's Gemini app surged to the top of global app charts after releasing the Nano Banana image editor. Downloads jumped 45% month-over-month, with 12.6M downloads in September so far. The launch boosted engagement, image sharing and consumer spending—knocking ChatGPT to No. 2 on the App Store and positioning Gemini as a mainstream creative AI.

Published September 16, 2025 at 05:09 PM EDT in Artificial Intelligence (AI)

Gemini’s Nano Banana Drives Explosive Mobile Growth

Google’s Gemini app has surged in global app charts after the August launch of its Nano Banana image editor model. Users praised the app for enabling complex edits and realistic image generation, and download momentum accelerated sharply in September.

Appfigures data shows a 45% month-over-month increase in downloads for September so far, with 12.6 million downloads this month versus 8.7 million in August. Gemini climbed to No. 1 on the U.S. App Store on September 12, displacing OpenAI’s ChatGPT.

The app also ranks among the top five iPhone apps in 108 countries, and on Google Play it jumped to No. 2 in the U.S. while ChatGPT retains the top spot on Android.

Usage and sharing metrics have spiked. Google executives reported 23 million first‑time users since Nano Banana launched and more than 500 million images shared, signaling broad mainstream curiosity and social virality.

The model is also driving consumer spending. Appfigures estimates Gemini generated $6.3 million on iOS year‑to‑date, including $1.6 million in August after Nano Banana’s release. January’s take was $115,000, showing a dramatic ramp; September is on pace to match or exceed August with $792,000 so far.

Since its Android debut in February 2024 and later iOS expansion, Gemini has surpassed 185 million total downloads, with 103.7 million this year alone.

What’s driving the lift

Nano Banana appears to hit a sweet spot: it turns advanced image editing into a simple, mobile-native experience. That accessibility—combined with shareable outputs and social loops—created a fast flywheel of downloads and engagement.

For product and business leaders, the lessons are clear: a well‑tuned generative model that solves a visible, social problem can unlock rapid adoption and monetization on mobile.

Actions for teams building AI consumer products

  • Measure feature lift: track conversion, retention, and share rates tied to the new model.
  • A/B test UX prompts and pricing to turn spikes into sustainable revenue without hurting growth.
  • Prepare infrastructure: plan capacity and cost models for increased API usage and media storage.
  • Guardrails and trust: implement moderation, copyright checks, and clear privacy notices to reduce legal and brand risk.

Gemini’s rise shows the power of combining model capability with an experience that makes the output instantly shareable. But competition is heating up—no other dedicated AI apps are currently in the App Store top 10, yet this could change quickly as rivals iterate.

Organizations planning their own generative features can benefit from an analytical approach: quantify how a new model affects user behavior, design pricing experiments tied to value, and ensure the backend and compliance posture scale with demand.

QuarkyByte applies this kind of playbook to help teams understand which model-driven features will move KPIs, how to architect for spikes, and how to convert early traction into reliable revenue without sacrificing trust.

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