Memorize vs DNS & Whois Toolkit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Memorize
This app helps you memorize information using a spaced-repetition system. Easily add and sync your study materials across devices, track progress with detailed statistics, and review difficult items separately. It's designed for learning anything you need to remember.
- Spaced-repetition system
- Quick card adding
- iCloud sync across devices
- Share extension for content import
- Markdown support for formatting
- Detailed progress statistics
- Review difficult cards separately
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Memorize is a simple, yet powerful study app using the trusted spaced-repetition system. Use Memorize to study vocabulary, new languages, skills, your kids birthdays', or really anything you want to remember. Also available on the Mac! - Quick add. Add cards in a jiffy from the Dashboard. - iCloud sync. Study cards on the fly on your phone, or in your living room on the iPad. - Share extension. Add to Flash Jack from any other app: Safari, Books, Kindle, ... - Markdown support. We support basic editing and formatting: bold, italics, code blocks, lists. - Amazing Stats. See your progress in a Streaks view. Track your responses, and more. - Review section. Besides regular study sessions, you can review the difficult cards separately. - Lots more to come. We are just getting started! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sakunlabs.com/flashjack-privacy
DNS & Whois Toolkit
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A small tool designed to do one thing only — well. DNS Lookup, Whois, Ping all right from your smartphone.
Screenshots
Verdict
The clearest difference is in-app purchases: DNS & Whois Toolkit at none against Memorize's 1. Memorize's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 18.5). On price, update cadence and 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
Both are free to download. Memorize sells 1 in-app purchase, starting at $0.99 per month. DNS & Whois Toolkit asks for nothing beyond the download.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.
| Parameter | Memorize | DNS & Whois Toolkit |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 27 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Raheel Ahmad | Corrado Ignoti |
In-app purchases
Memorize
- Full Unlock$0.991 Month
DNS & Whois Toolkit
No in-app purchases
