Comparison

Kontrol vs Defter

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

Head to head
About

Kontrol

Features
Read full description

Keep every subscription in check, without handing over your bank details. Kontrol shows all your subscriptions at a glance: what they cost, when they are due, and how much you spend on them in a year. Unlike apps that read your bank account, Kontrol keeps your data on your device. PRIVACY FIRST • No bank connection • No account to create • Your data stays on your device • Works offline too EVERY SUBSCRIPTION AT A GLANCE • Streaming, music, gym, phone plan and the rest, in one place • A calendar of every payment, day by day • Monthly and yearly cost, always in view • Categories to sort your fixed expenses NEVER BILLED BY SURPRISE • A reminder before each renewal, at the time you choose • Pause a subscription, or follow the steps to cancel it • Added in one tap: popular services like Netflix, Spotify, Disney+, YouTube Premium or ChatGPT are already in the list CLEAR AND SIMPLE • A clean design, with no long setup • Light and dark mode • Local reminders, right on your iPhone PERFECT FOR anyone who wants to keep their spending in check without giving an app their bank login. WHY KONTROL? • No account, no bank connection • Your data stays yours • You see what your subscriptions really cost per year • A reminder before it gets expensive Free: 7 subscriptions | Pro: unlimited, iCloud Sync, custom categories, CSV export Stop paying for subscriptions you forgot about. Kontrol puts your privacy first. Privacy Policy: https://maceobasse.com/kontrol/privacy-policy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Defter

Manage your finances with a beautiful, on-device ledger. Track cards, accounts, and rewards, with optional bank connections for automatic updates. Offers insights into cash flow and net worth, with a focus on privacy.

Highlights
  • Manual card and account tracking
  • Apple Card, Cash & Savings sync
  • Best-card picker
  • Custom reward rules and benefits
  • Statement cycles and payment reminders
  • Cash flow and net worth history
  • On-device AI assistant
Features
Read full description

**Defter** (Turkish for "notebook") keeps your financial life on one calm, beautiful page — and opens like one. **Free, forever:** • Track cards and accounts manually — balances, statements, due dates • Apple Card, Apple Cash & Savings sync, fully on-device • Best-card picker: know which card earns the most before you swipe • Custom reward rules + benefits — tiered earn rates, sign-up bonuses, and perks like companion fares, tracked toward their spend thresholds • Favorite, reorder, and sort your cards however you think about them • Statement cycles, payment-due calendar, and smart reminders • Cash flow, net worth history, monthly forecast, missed-rewards insights • Separate ledgers for personal and business — switch with a tap • An on-device AI assistant that answers questions about *your* numbers • Home-screen widgets, Live Activities, and Spotlight search **Defter Pro** adds direct bank connections, so balances and transactions stream in on their own: • Plus — 3 banks • Pro — 10 banks • Ultra — unlimited banks One connection covers every card at that bank. Everything else in Defter stays free — Pro only meters direct connections. **Private by design.** Your transactions live on your iPhone, not our servers. Bank connections are read-only, powered by Teller. Location is used only when you tap "Best card here" and is immediately discarded. No ads, no tracking, no selling data — ever. Subscriptions renew automatically until cancelled in App Store settings. Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Kontrol4 screens
Defter4 screens

Verdict

The call

The clearest difference is in-app purchases: Defter at none against Kontrol's 2. On price, update cadence, ads and device support 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. Kontrol sells 2 in-app purchases, starting at $2.99 per 7 days. Defter asks for nothing beyond the download.

UpkeepUpdate frequency

Kontrol ships an update every 2 months, Defter every 3 months. The most recent releases landed on October 25, 2026 and October 10, 2026 respectively.

Scorecard1 real difference · 8 level
Kontrol versus Defter: the parameters behind the verdict, then further details
ParameterKontrolDefter
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 months — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
Monetization—Freemium
DevicesiPhone, iPad — betteriPhone
Requires iOS16.4 — better17.0
Further details — not scored
Size62 MB47 MB
Age rating4+4+
DeveloperMaceo BasseMediterra AI LLC

In-app purchases

2 purchases

Kontrol

Subscriptions1
  • Pro Weekly3 Days trial$2.997 Days
One-time1
  • Pro Lifetime$24.99
None

Defter

No in-app purchases

Questions

Is Kontrol free?
Kontrol is free to download, with in-app purchases available.
Is Defter free?
Defter is free to download, with no in-app purchases.
Do Kontrol or Defter have ads?
Neither Kontrol nor Defter shows ads.
Which is updated more often, Kontrol or Defter?
Kontrol ships an update every 2 months, and Defter every 3 months. Most recently, Kontrol was updated on October 25, 2026 and Defter on October 10, 2026.

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