Greatest Common Factor vs Expiry Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Greatest Common Factor
This app helps users find the factors of numbers, calculate the Greatest Common Factor (GCF) for two or more numbers, and simplify fractions. It's a useful tool for understanding number theory concepts and performing fraction simplification.
- Find factors of a number
- Calculate GCF of two or more numbers
- Simplify fractions
- Understand number theory concepts
- Fraction simplification tool
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The factors of a number are all the integers that you can evenly divide into that number. The Greatest Common Factor (GCF) is the greatest integer that divides exactly into two or more numbers with no remainder. The Greatest Common Factor is used to simplify fractions. To simplify a fraction, you can divide the numerator and denominator of the fraction by the GCF of the numerator and denominator. Factors, the Greatest Common Factor, and simplifying fractions go hand-in-hand. Use this app to get the factors of a number, get the Greatest Common Factor of two or more numbers, and to simplify fractions.
Expiry Tracker
Organize and track all your time-sensitive documents like warranties, subscriptions, and IDs. Get reminders for upcoming due dates and monitor your spending on these items. Data is kept private on your device with optional iCloud sync.
- Track warranties, subscriptions, IDs, and leases
- Due date dashboard with urgency grouping
- Monitor daily and monthly spending
- Calendar and timeline view of bills
- Customizable advance reminders
- Home screen widgets for quick overview
- Data export and local data clearing
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Warranties, subscriptions, IDs, insurance, leases, supplies—anything with a due date belongs in one place. Expiry Tracker helps you manage every time-bound asset, group reminders by urgency, and see what you really spend each day and month. Data stays on this device by default. No account, no ads, no tracking. Optional iCloud sync uses your private container so iPhone and iPad stay in step. • Due dashboard: ring progress for ample / soon / today / overdue • Item management: category templates, billing cycles, photo attachments, notes • Holding costs: daily and annualized spend, category mix, trends, and rankings • Calendar & timeline: see bill dates by month or browse in chronological order • Local reminders: multi-step advance alerts with overdue escalation • Home Screen widgets: next due item, this month’s outlay, daily cost • Export anytime: JSON backup and CSV details; clear local data when you want • Full access with subscription (free trial available) Reminders stay off until you enable them. Built for people who want one place for subscriptions, warranties, and document renewals—not just “what’s due,” but whether it’s worth keeping. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.minifanyou.com/privacy/qx.html
Screenshots
Verdict
The clearest difference is rating: Greatest Common Factor at 5.0 against Expiry Tracker's 1.0. Greatest Common Factor also leads on iOS requirement (14.1 vs 17.0). Expiry Tracker's advantage is update cadence (every 8 days vs every 38 months) and monetization model (freemium vs paid). On price, ratings volume, ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Greatest Common Factor holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Greatest Common Factor ships an update every 38 months, Expiry Tracker every 8 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Greatest Common Factor | Expiry Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 1.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 38 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Freemium — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | H Valeur | Xiamen Fengyun Network Technology Co., Ltd. |
In-app purchases
Greatest Common Factor
No in-app purchases
Expiry Tracker
No in-app purchases
Questions
Is Greatest Common Factor free?
Is Expiry Tracker free?
Which has better reviews, Greatest Common Factor or Expiry Tracker?
Do Greatest Common Factor or Expiry Tracker have ads?
Which is updated more often, Greatest Common Factor or Expiry Tracker?
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