As nouns the difference between updater and persister
is that updater is one who, or that which, updates while persister is something that persists.
updater
English
Noun
(
en noun)
One who, or that which, updates.
*{{quote-news, year=2009, date=February 15, author=Virginia Heffernan, title=Being There, work=New York Times citation
, passage=My friend Lizzie, who is an actual poet, is a terrific, prolific
updater . }}
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persister
English
Noun
(
en noun)
Something that persists
(biology) Any organism that survives a period of extreme conditions (such as winter)
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