Best Istem Apps

21+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated September 2026

If you already know I, this is the deeper bench. 21+ istem apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.

Compare top Istem Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1I-STEMI-STEMFree—NoNoOct 2026
2iStem | Dijital OkulumiStem | Dijital OkulumFree5.0★ (1)NoNoMay 2026
3iStemiStemFree—NoYesSep 2026
4eşki - ekşi sözlük istemcisieşki - ekşi sözlük istemcisiFree—NoYesMay 2026
5ItsHimItsHimFree3.9★ (11)YesNoOct 2026
6Telwel: eSIM in 180+ countriesTelwel: eSIM in 180+ countriesFree5.0★ (6)NoNoOct 2026
7MyEsim: Travel eSIM & DataMyEsim: Travel eSIM & DataFree—NoNoNov 2026
8Mec enem: App Mec EnemMec enem: App Mec EnemFree3.3★ (12)YesNoNov 2026

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FAQ about Istem

Are there free istem apps for iPhone?
Yes — 20 of the top istem apps we rank are free to download, including I-STEM and iStem | Dijital Okulum.
I-STEM has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 21+ istem apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.