Cindla vs AcidLog
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Cindla
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Log a reflux flare from your wrist in two taps. Cindla is the first proper Apple Watch implementation in the GERD category โ symptom-first, no food photo scanning, no AI ingredient analysis. WATCH-FIRST LOGGING - Tap the Cindla complication โ tap Confirm. Two taps from raise to logged. - Or pick a quick-note from your eight most-frequent foods and drinks. - Severity slider on the Digital Crown. - Three complication families: circular, corner, inline. HONEST PATTERNS, NOT GUESSES - Frequency timeline (12 weeks). - Time-of-day heatmap. - Day-of-week distribution. - Trigger-strength bar chart โ refuses to rank until you have at least 10 flares for that trigger. No misleading low-N rankings. - Severity distribution histogram. YOUR DATA, ALWAYS YOURS - CSV, PDF, and JSON export from day one โ free, always. - HealthKit read-only for sleep, HRV, workouts. Optional cycle-data correlation if you already track in Apple Health. - Optional Acid Reflux entry written to Apple Health if you turn that on. - Everything stays on your device, syncs to your iCloud only. No backend, no servers, no analytics. ONE-TIME PRICING - 3-day full-access trial. - ยฃ6.99 unlocks Cindla forever. No subscription, no monthly charge. WHAT CINDLA IS NOT Cindla is a personal wellness tool, not a clinical product. It does not diagnose, predict or warn about reflux. It is not a substitute for medical advice โ speak to your GP or specialist about anything that worries you. Privacy: https://maddisys.co.uk/privacy Terms: https://maddisys.co.uk/terms Support: https://maddisys.co.uk/support
AcidLog
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Most acid reflux advice hands you a list of 40 foods to avoid. AcidLog does the opposite: it finds the 3 or 4 that actually bother YOU โ so you can stop fearing the rest. Log a meal and how you felt in about 30 seconds. AcidLog's correlation engine connects what you ate to your symptoms and, within 14 days, gives you a personal trigger list ranked by confidence. WHY A GENERIC "AVOID THESE FOODS" LIST FAILS Coffee wrecks one person and does nothing to the next. Reflux is personal. Instead of eliminating everything, AcidLog watches your own meals and symptoms and surfaces the patterns that are actually yours. HOW IT WORKS 1. Log โ add a meal and rate symptoms (heartburn, regurgitation, throat, cough, bloating) in seconds. 2. Correlate โ the on-device engine links foods to the symptoms that followed. 3. Discover โ by day 14 you get a ranked list of your likely triggers, with a confidence score for each. WHAT'S FREE The full 14-day trigger discovery is free: log meals and symptoms and see your first correlations and trigger list. No trial paywall in front of the core. ACIDLOG PRO (monthly or annual subscription) - Unlimited history and correlation beyond day 14 - Doctor-ready PDF report to bring to your gastroenterologist - Trend stats over weeks and months - Ongoing trigger refinement as your diet changes BUILT FOR REAL LIFE - Offline logging โ entries queue on your phone and sync when you're back online - No ads. Ever. - Fast enough to log at the table, not an hour later - Works for GERD, silent reflux / LPR, and post-meal indigestion MADE FOR - Adults with GERD or silent reflux (LPR), including long-term PPI users who want their own triggers, not another handout - Anyone newly diagnosed and told to "keep a food diary" - Caregivers who cook and want to know which meals set off symptoms AN HONEST NOTE AcidLog is a diary and correlation tool, not a medical device. It does not diagnose, treat, or cure any condition, and it isn't a substitute for your doctor. Its job is to hand you and your clinician better data. Find your triggers, keep your food. Start free.
Screenshots
Verdict
The clearest difference is iOS requirement: AcidLog at 15.1 against Cindla's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Cindla sells 1 one-off in-app purchase and AcidLog sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 6, 2026 and September 26, 2026 respectively.
| Parameter | Cindla | AcidLog |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, Apple Watch | iPhone, iPad, iPod โ better |
| Requires iOS | 17.0 | 15.1 โ better |
| Further details โ not scored | ||
| Size | 8 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Maddisys Limited | DJUMP, MB |
In-app purchases
Cindla
- Cindla โ unlock forever$6.99
AcidLog
- Premium Monthly$4.991 Month
- Premium Annual$39.991 Year









