Greatest Common Factor vs VoiceWake
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.
VoiceWake
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Tired of the same ringtones? VoiceWake lets you record a real human voice and use it as your alarm. Wake your child with their best friend's voice. Wake yourself with someone who matters. Whatever the recording, that's what plays when the alarm goes off. WHY VOICEWAKE Record right in the app — no files, no fuss. Build a small library of voices and reuse them. Set the time, pick repeat days, choose a voice. Done. Rings even when your phone is on Silent or in Focus — so you never sleep through it. SIMPLE BY DESIGN No accounts. No ads. No subscriptions. Your recordings stay on your device. One-time purchase. Buy it once, it's yours. Built for iOS 26. What's New (first release) First release. Record a voice, set an alarm, wake up to someone you love.
Screenshots
Verdict
The clearest difference is update cadence: VoiceWake at daily against Greatest Common Factor's every 38 months. Greatest Common Factor's advantage is iOS requirement (14.1 vs 26.0). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Greatest Common Factor ships an update every 38 months, VoiceWake daily. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.
| Parameter | Greatest Common Factor | VoiceWake |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 38 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.1 — better | 26.0 |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | H Valeur | FROMSOFT INC. |
In-app purchases
Greatest Common Factor
No in-app purchases
VoiceWake
No in-app purchases
