Best One Onsite Apps

133+ iOS apps curated and reviewed

3.6 avg rating
20 free apps
Updated November 2026

The best one onsite apps on iPhone average 3.6★ across 133+ titles — we've ranked them by what real users actually keep on their phones. Updated November 2026.

Compare top One Onsite Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1One OnsiteOne OnsiteFree2.5★ (99)NoNoNov 2026
2SMS ONESMS ONEFree2.4★ (124)NoNoOct 2026
3LIGMAN OneLIGMAN OneFree—NoNoMay 2026
4Encompass OneEncompass OneFree2.9★ (16)NoNoNov 2026
5eventOne OnsiteeventOne OnsiteFree—NoNoJul 2026
6SFR3 OnSiteSFR3 OnSiteFree3.0★ (10)NoNoNov 2026
7OnSite by HConnectOnSite by HConnectFree3.4★ (21)NoNoNov 2026
8Onsite ProOnsite ProFree—NoNoMay 2026

Top Picks for One Onsite

One Onsite#1

One Onsite by SMS Assist, LLC.

One Onsite by Lessen
Editor's Choice
🔧 Utilities
2.5(99 ratings)
Free
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This app assists maintenance technicians in completing work orders efficiently. It provides essential job details, location guidance, and historical service information, requiring minimal training for users.

SMS ONE#2

SMS ONE by SMS Assist, LLC.

SMS ONE by SMS Assist
Strong Contender
💼 Business
2.4(124 ratings)
Free
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This app streamlines onsite validation and work order management for affiliates. It offers real-time communication, photo capture for service verification, and GPS-enabled check-in/out, reducing administrative costs and improving workflow efficiency.

More One Onsite apps to explore

FAQ about One Onsite

What are the best one onsite apps for iPhone?
One Onsite tops our one onsite apps ranking as of November 2026, with a 2.5-star average from 99 App Store ratings, and it's free to download.
Yes — 20 of the top one onsite apps we rank are free to download, including One Onsite and SMS ONE.
One Onsite has no ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 133+ one onsite apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.