What is the best alternative to ISS Live Now on iPhone?

Planet Cam: Live World Map, A tier, #2 in live camera viewing.

Is there a free alternative to ISS Live Now?

Yes: Planet Cam: Live World Map (A tier, #2) is free to download, with in-app purchases.

No. ISS Live Now is #1 in live camera viewing.

ISS Live Now is S tier, #1 of 9 in live camera viewing. Here is everything that competes with it on iPhone, in tier order.

2
Planet Cam: Live World MapA
Free + IAP · ★ 4.5 · 3,453 ratings · score 90
Free app for watching live camera videos from around the world, browsable through a main page or an interactive map.
3
MAPAS: Live Street View & GPSA
Free + IAP · ★ 4.3 · 4,672 ratings · score 86
Free navigation app for browsing street-level imagery, live cameras, 3D and satellite maps, and basic GPS tools.
4
HiLookA
Free download · ★ 4.7 · 22,605 ratings · score 83
Free app for remote live viewing, playback and motion alerts from DNR, NVR and IP cameras that support Cloud P2P.
5
Webcams - EarthCamB
Free + IAP · ★ 4.5 · 4,551 ratings · score 75
Free travel app with live HD streaming and megapixel snapshot webcams of scenic and landmark destinations around the.
6
LaViewB
Free · ★ 4.7 · 21,909 ratings · score 70
Mobile app for viewing and remotely monitoring LaView Wireless IP cameras and connecting other smart home devices.
7
iSpy Cameras (Ad Supported)C
Free download · ★ 4.6 · 2,139 ratings · score 66
View and control thousands of public live video cameras from around the world on iPhone, iPad or iPod touch.
8
CloudEdgeC
Free + IAP · ★ 4.3 · 21,164 ratings · score 66
Views live and recorded video from home or business sites, with push alerts when motion is detected.
9
TriStar TrafficF
Free · ★ 4.8 · 8,713 ratings · score 44
Shows TDOT live-streaming traffic cameras across Tennessee on an interactive map.

What is the best alternative to ISS Live Now on iPhone?: Planet Cam: Live World Map, A tier, #2 in live camera viewing.
Is there a free alternative to ISS Live Now?: Yes: Planet Cam: Live World Map (A tier, #2) is free to download, with in-app purchases.
Does anything rank above ISS Live Now?: No. ISS Live Now is #1 in live camera viewing.