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10+ Best OneSearch: DeepSearch Finder Alternatives for iPhone (2026)

OneSearch: DeepSearch Finder is A tier, #6 of the 12 tiered apps in AI search. Here is everything that competes with it on iPhone, in tier order.

All 11 alternatives, in tier order

1. 1
   Perplexity: AI Agent & SearchShigher tier

   Free + IAP · ★ 4.8 · 748,750 ratings · score 99

   An AI search and chat app that provides answers with sources and citations.
2. 2
   Microsoft Bing SearchShigher tier

   Free download · ★ 4.7 · 707,036 ratings · score 98

   Search app with curated answers, web links, image creation, and visual or voice search.
3. 3
   GoogleShigher tier

   Free + IAP · ★ 4.6 · 19,271,052 ratings · score 96

   Free Google app for search, with AI Mode, Lens camera search, Search Live, and Hum to Search for finding songs.
4. 4
   Arc Search - Find it, FasterShigher tier

   Free download · ★ 4.9 · 39,094 ratings · score 91

   A free iOS mobile browser with AI search, summaries, ad and tracker blocking, and reader mode for finding answers…
5. 5
   Comet - AI Browser & AssistantA

   Free + IAP · ★ 4.7 · 11,159 ratings · score 87

   AI-powered browser with an assistant that can search, summarize, shop, schedule, and research across websites.
6. 7
   You.com - Enterprise grade AIA

   Free + IAP · ★ 4.7 · 7,566 ratings · score 81

   AI productivity app offering deep research reports, document analysis, and access to multiple AI models, with citations.
7. 8
   OpenEvidenceC

   Free download · ★ 4.9 · 12,904 ratings · score 70

   Medical search and clinical decision support for healthcare professionals, with answers cited to medical literature.
8. 9
   Truthly: Catholic AIC

   Free + IAP · ★ 4.9 · 7,158 ratings · score 69

   AI app for Catholic questions with visible sources, daily readings, Bible insights, and a Mass finder.
9. 10
   Heidi - AI Care PartnerC

   Free download · ★ 4.7 · 10,211 ratings · score 69

   Free medical app for capturing clinical notes from conversations and searching citation-backed clinical evidence.
10. 11
    Vera Health: AI for CliniciansC

    Free download · ★ 4.9 · 3,692 ratings · score 68

    Clinical AI app for healthcare professionals that gives cited answers based on medical literature and guidelines.
11. 12
    UpToDate Expert AIC

    Free + IAP · ★ 4.8 · 2,848 ratings · score 68

    AI companion to the UpToDate clinical reference that answers natural-language medical questions with linked supporting.

Questions people ask

What is the best alternative to OneSearch: DeepSearch Finder on iPhone?

Perplexity: AI Agent & Search, S tier, #1 in AI search.

Is there a free alternative to OneSearch: DeepSearch Finder?

Yes: Perplexity: AI Agent & Search (S tier, #1) is free to download, with in-app purchases.

Does anything rank above OneSearch: DeepSearch Finder?

Yes. 5 apps rank above it in AI search: Perplexity: AI Agent & Search (#1), Microsoft Bing Search (#2), Google (#3) and more.

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