We started out costing an iOS build and then adding like 20-30 % at the end for an Android build. However now because of the parity in React Native they can now be costed as 1 build. It's not hard anymore to keep things consistent between platforms IMO.
There might be flat costs for things like getting iTunes to connect and play store builds up and running and maybe doing a sweep through on Android and iOS to ensure consistency.
Apart from that, pretty much no different to how I cost for the web. This might be a bit out of scope for the AMA but here's the high level:
Depending on the project might start with very quick PoC to test things are feasible or further research into how the industry works and if we are likely to run into any issues that could affect cost.
Add high-level estimates for "epics" based with cost being time estimated, contingency assessment on some of the more unknowns which might add a 10-20%.
With the help of the client, break those stories down into more detail and organise into sprints of work, then work/charge on an agile basis from there.
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How do you cost the application?
We started out costing an iOS build and then adding like 20-30 % at the end for an Android build. However now because of the parity in React Native they can now be costed as 1 build. It's not hard anymore to keep things consistent between platforms IMO.
There might be flat costs for things like getting iTunes to connect and play store builds up and running and maybe doing a sweep through on Android and iOS to ensure consistency.
Apart from that, pretty much no different to how I cost for the web. This might be a bit out of scope for the AMA but here's the high level:
Depending on the project might start with very quick PoC to test things are feasible or further research into how the industry works and if we are likely to run into any issues that could affect cost.
Add high-level estimates for "epics" based with cost being time estimated, contingency assessment on some of the more unknowns which might add a 10-20%.
With the help of the client, break those stories down into more detail and organise into sprints of work, then work/charge on an agile basis from there.