inneractive says ad requests start to slip on Apple devices at three months; for Android it's five months.
The Israel-based 'ad mediation platform' for developers has unveiled a new infographic that examines the differences between the two main smartphone OSs.
It shows that ad requests on iOS peak between two and four months, whereas Android ad requests are at their maximum between three and seven months.
Elsewhere, Abdroid is he winner in terms of fill rates (85 per cent v 78 per cent), while iOS scores better in CTR and eCPM.
inneractive provides access to close to 100 networks and agencies in around 200 countries.
Click here for more info about the new stats.