Has ChatGPT’s mobile app hit a growth ceiling? Fresh data suggests the runaway momentum may be slowing, even as overall adoption remains massive. Third-party app intelligence from Apptopia indicates that growth in new global downloads began decelerating after April, while global daily active users have leveled off in recent weeks. With October only halfway through, the app is on pace for an 8.1% month-over-month decline in download growth.
It’s important to note this is about growth rate, not total downloads. ChatGPT’s mobile app is still attracting millions of new installs per day. But a slowdown in growth can signal that the app is moving from breakout expansion to a more mature phase.
Key data points from the analysis:
– Global DAU growth has flattened over the last month.
– October is tracking to be down 8.1% month over month in download growth.
– In the U.S., average time spent per daily active user has dropped 22.5% since July.
– Average sessions per daily active user in the U.S. are down 20.7%.
– U.S. churn has decreased and stabilized, suggesting stronger retention among core users.
What’s behind the shift? Competition is one factor, particularly from Google’s Gemini, which surged in September following the debut of Google’s AI image model, Nano Banana. Yet Apptopia notes that ChatGPT’s declines in average time spent and sessions per user began before Gemini’s rapid rise, indicating the trend isn’t solely attributable to a rival app.
Product changes may also play a role. An April update aimed at making the chatbot less sycophantic, followed by an August release said to be less personable, could have subtly altered how users engage. If efficiency were the only change, time spent per user might fall while sessions held steady. Instead, both metrics are declining, suggesting a broader shift in behavior.
The most likely explanation is that the experimentation phase is ending. Early adopters have settled into predictable, need-based usage patterns, opening the app when a task requires it rather than exploring it repeatedly out of novelty. That’s consistent with lower churn and steadier retention among committed users.
For OpenAI, the takeaway is clear: to reignite engagement and accelerate growth, the app will likely need fresh hooks. That could mean renewed marketing pushes, feature rollouts that deepen day-to-day utility, or differentiated experiences that encourage more frequent sessions and longer interactions. This is the familiar trajectory of successful mobile products as they transition from viral breakout to durable, habit-forming tools.
OpenAI did not respond to a request for comment.





