Comparison

Collections Database vs Good Fuel

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

Head to head
About

Collections Database

Organize anything with a personal database app. It offers over 20 field types, customizable layouts, and pre-built templates for common uses like books or expenses. Advanced features and iCloud sync are available.

Highlights
  • 20+ field types (text, number, picture, barcode, etc.)
  • Customizable fields and display styles
  • Pre-built templates (books, contacts, expenses, etc.)
  • Organize with collections and subcollections
  • Password, Face ID, and Touch ID protection
  • iCloud synchronization across devices
  • Advanced fields and calculations (Pro version)
Features
Read full description

Collections is a personal database app to organize anything. 1. A field for every use Collections supports over 20+ field types: • Text, Number • Boolean • Picture • Select • Email, URL, Phone • Password • Date, Time • Color • Barcode And with the Pro version you can use even more advanced fields. • Document reference - Link documents together • Group - Add multiple values for a field • Formula - Create a formula for calculated values. Powerful formula editor with full support to math functions like SUM, AVG • Sources - Import documents from external APIs with Javascript 2. Customizable • Add and reorder fields • Add a separator between fields to better visualize them • Fields have different display styles like primary, secondary, thumbnail • Filter and sort data 3. Templates Collections includes basic templates to get started: • Books • Contacts • Expenses • Subscriptions • Credentials • Inventory • School 5. Advanced management Collections has different tools to help you creating the data model. SUBCOLLECTIONS Organize data into collections and subcollections. Simply said, they are like folders. LISTS A list contains items used in documents and it's very flexible. It could represent a Genre for a book or a Status like 'Available', 'Out of stock' for an object in the inventory. 6. Security • Protect collections using a password, Face ID or Touch ID • Sensitive data such as passwords are encrypted by default 7. iCloud Sync Data is synced automatically between devices through iCloud. 8. Apple's Shortcuts support Expand the app capabilities with Apple's Shortcuts support. 9. Pro version features • Add unlimited documents (free version is limited to 100 documents) • Add files to documents • Add advanced fields • Views • Grid • Use Summary to perform calculations across documents

About

Good Fuel

Features
Read full description

Good Fuel is your lean car & fuel log for everyday use — offline, no subscription, no trackers. Log fuel-ups and maintenance (with receipt photo/PDF) in seconds, then see consumption (L/100 km / mpg), cost per km, and price trends at a glance. On-device AI runs entirely on your iPhone (MLX), detecting seasonal patterns, route profiles, and driving style to deliver consumption forecasts for your next trips — no cloud, no data leaves your device. Capture — fast & clean • Fuel: liters, price/L, total, station, odometer • Maintenance & service: category, description/notes, receipt as photo/PDF Understand — what does 1 km cost? • Stats: consumption, cost/km, monthly overviews, price & cost trends • Trips & routes: map view with speed-coloring, export as GPX/PDF Predictions (On-device AI) • Runs locally (MLX), no cloud • Learns from your history (season, route, driving style) • Shows model confidence (example value) and improves with more/better data • Recommendation: start with 5–10 complete fuel-ups Export & ownership — your data stays yours • Full export as CSV (localized column names, comma/semicolon), plus PDF and GPX — anytime Widgets — essentials at a glance • Last price, avg. consumption, monthly total, maintenance quick info on your Home Screen Who is it for? • Commuters, high-mileage drivers, anyone who wants real insight without a subscription — no cloud account required Why Good Fuel? • Focused features, real privacy, powerful exports — pay once, use forever. • Multilingual (DE/EN/FR/IT/ES/PT), light/dark mode. Note: Good Fuel is not a legally certified tax-compliant mileage log (e.g., GoBD in Germany). Trip recording in Good Fuel works exclusively in the foreground. This means the app must remain open while recording your trip.

Screenshots

Collections Database4 screens
Good Fuel4 screens

Verdict

The call

The clearest difference is price: Collections Database at Free against Good Fuel's $4.99. Collections Database also leads on device support (4 vs 1) and iOS requirement (15.0 vs 17.0). Good Fuel's advantage is in-app purchases (none vs 3). On ads 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

Collections Database is free to download; Good Fuel costs $4.99 up front. Collections Database sells 3 one-off in-app purchases. Good Fuel asks for nothing beyond the download.

Scorecard4 real differences · 6 level
Collections Database versus Good Fuel: the parameters behind the verdict, then further details
ParameterCollections DatabaseGood Fuel
PriceFree — better$4.99
Rating4.6 (193 ratings) — better—
Positive reviews87.1% of reviews—
Number of ratings193 — better—
Update frequencyEvery 8 days—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Mac — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size26 MB21 MB
Age rating4+17+
DeveloperMatteo D'IgnazioCARSTEN SACHSE

Bugs and requests

Collections Database

Reported bugs

2 issues
  • Keyboard issues when using search
  • Inconsistent behavior between iOS and macOS versions

Requested features

4 requests
  • Collaborative features for sharing databases
  • More advanced reporting and visualization options
  • Improved import/export functionality
  • Ability to customize the appearance and layout

Good Fuel

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Collections Database

One-time3
  • Collections Ultra (Upgrade)$1.99
  • Collections Pro$7.99
  • Collections Ultra$9.99
None

Good Fuel

No in-app purchases

Questions

Is Collections Database free?
Collections Database is free to download, with in-app purchases available.
Is Good Fuel free?
Good Fuel costs $4.99, with no in-app purchases.
Do Collections Database or Good Fuel have ads?
Neither Collections Database nor Good Fuel shows ads.

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