Comparison

Trajectory vs BowelLog

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Trajectory

Read full description

Trajectory focuses on long-term direction instead of daily noise, so you can stay consistent without overreacting. TRACK YOUR WEIGHT EFFORTLESSLY • Log your weight in seconds • Supports kg and lbs • Full history STAY ON COURSE • Set a target weight and deadline • See your personal trajectory line • Know exactly where you should be today UNDERSTAND YOUR BODY • BMI tracking with instant feedback • 7-day trend to spot momentum • Progress toward your goal CLEAN & FOCUSED • No subscriptions. Free. • Beautiful chart that tells the whole story Trajectory doesn't judge. It doesn't nag. It just shows you the path, and whether you're on it.

About

BowelLog

Easily monitor your digestive health by logging stool types using the Bristol Stool Scale and tracking bathroom duration. Gain insights into your gut health with visual charts and patterns. Your data is kept private and stored locally on your device.

Highlights
  • Bristol Stool Scale logging (Types 1-7)
  • Bathroom time tracking
  • Optional notes for logs
  • Daily and historical stats
  • Streak tracking
  • 7-day frequency chart
  • 28-day heatmap
Features
Read full description

Your gut health matters. But talking about it? Not so easy. Poop Tracker helps you monitor your digestive health using the Bristol Stool Scale and track your bathroom time with the salary timer. FEATURES: • Bristol Stool Scale: log Types 1-7 with descriptions and health info • Salary Counter: track how much you earn while on the throne • Optional notes for each log entry • Morning Mirror: see yesterday's stats on first open • Streak tracking with milestone celebrations INSIGHTS & TRENDS: • 7-day frequency chart and 28-day heat map • Bristol type distribution with health scoring • Weekly and monthly patterns PRIVACY FIRST: All data is stored locally on your device. No accounts required. No cloud sync. No one sees your data but you. Poop Tracker is free and ad-supported. Download now and start monitoring your gut health today.

Screenshots

BowelLog4 screens

Verdict

The call

The clearest difference is device support: BowelLog at 2 against Trajectory's —. BowelLog also leads on iOS requirement (15.1 vs 18.5). On price and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 7 level
Trajectory versus BowelLog: the parameters behind the verdict, then further details
ParameterTrajectoryBowelLog
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequency—Every 10 days
Ads—Yes
In-app purchasesNoNo
Monetization—Ad-supported
Devices—iPhone, iPod — better
Requires iOS18.515.1 — better
Further details — not scored
Size2 MB26 MB
Age rating17+4+
DeveloperMathieu BonteBlas Prieto

In-app purchases

None

Trajectory

No in-app purchases

None

BowelLog

No in-app purchases

Questions

Is Trajectory free?
Trajectory is free to download, with no in-app purchases.
Is BowelLog free?
BowelLog is free to download, with no in-app purchases.

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