Is the daily mention of "Subhan Allah wa bihamdih (Glorified is Allah and praised is He) one hundred times" considered an innovation, and does setting a phone reminder for it at a specific time fall under innovations, and are the invocations after ablution specific to the times of the five prayers, or are they recited every time a Muslim performs ablution?

The utterance of "Subhan Allah wa bihamdih" (Glory be to Allah and praise be to Him) one hundred times is prescribed daily, morning and evening. It is permissible to say it at any time of the day, but it is preferable for it to be consecutive at the beginning of the day, or in the morning and evening. There is no harm in using something to aid in remembrance, as it assists in worship. As for the post-ablution supplications, they are prescribed after every ablution, whether it is followed by prayer or not, and they apply to everyone who performs ablution. It is recommended to add to them "Allahumma aj'alni minat tawwabeena wa aj'alni minal mutatahhireen" (O Allah, make me among those who repent and among those who purify themselves) and "Subhanaka Allahumma wa bihamdika ashhadu an la ilaha illa anta astaghfiruka wa atubu ilayk" (Glory be to You, O Allah, and with Your praise, I bear witness that there is no god but You; I seek Your forgiveness and repent to You). These supplications are also recommended for someone who has performed a full ritual bath (ghusl).