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Best Nerva: Gut-Brain Program Alternatives for iPhone (2026)

Nerva: Gut-Brain Program is S tier, #1 of the 10 tiered apps in gut health. Here is everything that competes with it on iPhone, in tier order.

All 9 alternatives, in tier order

1. 2
   Poop Tracker - BalloonS

   Free + IAP · ★ 4.8 · 1,548 ratings · score 91

   Gut health tracker that logs bowel movements, meals and fibre, with trend charts and habit suggestions.
2. 3
   ViomeA

   Free download · ★ 4.6 · 6,637 ratings · score 90

   Free health app that builds a daily plan of food, supplement and habit steps from test results and a chosen health.
3. 4
   gut app: better gut healthA

   Free + IAP · ★ 4.5 · 324 ratings · score 86

   Tracks meals, fibre, stools and symptoms with AI photo analysis and a daily gut score, without calorie counting.
4. 5
   ColonBroomB

   Free download · ★ 4.7 · 2,836 ratings · score 77

   Gut health companion app for logging water and ColonBroom intake, setting reminders, and tracking bowel movements.
5. 6
   GutBFF: Bloating & Gut HealthB

   Free + IAP · ★ 3.9 · 17 ratings · score 75

   IOS app that uses meal photo recognition and AI to score each meal's gut health impact and track digestion trends.
6. 7
   Gutly: Low FODMAP IBS TrackerB

   Free + IAP · ★ 4.0 · 17 ratings · score 69

   Free food diary and symptom tracker for IBS and digestive issues, with AI trigger detection and a daily GutScore.
7. 8
   Digestible: IBS ReliefC

   Free + IAP · ★ 4.6 · 13 ratings · score 69

   Audio sessions and on-demand tools that aim to retrain brain-gut responses linked to IBS, including fear of certain.
8. 9
   Get Regular: AI Gut HealthC

   Free + IAP · ★ 5.0 · 20 ratings · score 62

   Logs meals, symptoms and stool entries to produce daily gut health and nutrition scores and AI-generated insights.
9. 10
   Happy Tummy: Find gut triggersD

   Free + IAP · ★ 4.5 · 247 ratings · score 59

   Logs meals, symptoms, mood, stress and sleep to help identify possible food triggers for digestive symptoms.

Questions people ask

What is the best alternative to Nerva: Gut-Brain Program on iPhone?

Poop Tracker - Balloon, S tier, #2 in gut health.

Is there a free alternative to Nerva: Gut-Brain Program?

Yes: Poop Tracker - Balloon (S tier, #2) is free to download, with in-app purchases.

Does anything rank above Nerva: Gut-Brain Program?

No. Nerva: Gut-Brain Program is #1 in gut health.

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