Cortex vs CustomNotify
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cortex
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Cortex reads your images, documents, and text — entirely on your device. No cloud. No account. No data sent anywhere. After a one-time model download, it works with no internet connection at all. Built for professionals who can't hand their confidential work to a cloud service, Cortex gives you the full power of a modern AI without the data exposure. No terms of service that claim rights to your inputs. No server logs. No risk of a breach leaking your client's name. Key features: - Voice mode — speak naturally, get spoken replies. Fully on-device, nothing stored - Audio & video input — attach media files and ask questions about them - Image & document input — analyse photos, contracts, receipts, prescriptions and more - Fully offline after model download — works on a plane, in a courthouse, anywhere - Zero data collection — nothing is ever transmitted or stored outside your device - 43 supported languages — switch freely between languages in any conversation - One-time purchase — no monthly subscription, no usage limits after going Pro - Free tier included — 25 messages per day at no cost, upgrade whenever you're ready - GDPR-friendly — no data transfers to US servers or third parties Cortex runs a powerful on-device language model entirely on your hardware, giving you conversational AI that's fast and capable without any cloud dependency. Download free and try it today. Upgrade once — use it forever.
CustomNotify
Design and schedule personalized alerts with custom titles, messages, icons, and sounds. Set one-time or recurring reminders, and use persistent notifications with action buttons for easy management. Works entirely offline for enhanced privacy.
- Customizable notification design
- Live lock screen preview
- Template library
- Natural language scheduling
- Actionable notification buttons
- Recurring and custom interval scheduling
- Persistent and nagging alerts
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Your Alerts, Your Way CustomNotify puts you in complete control of your notifications. Design personalized alerts with custom titles, messages, icons, colors, and sounds, then schedule them exactly when you need them. CREATE IN SECONDS See a live lock screen preview as you build your notification. Choose from 50+ ready made templates or type a natural language description and let CustomNotify do the rest. Add action buttons to snooze, skip, or mark done right from your lock screen. SCHEDULE YOUR WAY • One time reminders for dates that matter • Daily and weekly repeats • Custom intervals, every 2 hours, every 3 days, you name it • Persistent alerts that stick until you act on them NEVER FORGET Turn on nagging mode and CustomNotify will remind you again and again until you acknowledge it. Choose how often (every 1, 5, 15, 30, or 60 minutes) and how many times. Snooze when you need a break. PRIVACY FIRST No account. No cloud. No tracking. No ads. CustomNotify works entirely offline, your reminders and personal data never leave your device. FREE FEATURES • Up to 10 active notifications • One time, daily, and weekly scheduling • 10 built in templates • Nagging mode • Full notification history • Unlimited active notifications • All schedule types including custom intervals • 50+ templates • Persistent notifications • Backup and restore • Priority support From the makers of CustomBank, CustomCrypto, CustomSubs, and CustomWorth. Questions or feedback? Visit customnotify.us or email info@customapps.us
Screenshots
Verdict
The clearest difference is in-app purchases: CustomNotify at none against Cortex's 1. CustomNotify also leads on update cadence (weekly vs every 4 months). On price, ads, device support and iOS requirement 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. Cortex sells 1 one-off in-app purchase. CustomNotify asks for nothing beyond the download.
Cortex ships an update every 4 months, CustomNotify weekly. The most recent releases landed on October 2, 2026 and October 16, 2026 respectively.
| Parameter | Cortex | CustomNotify |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (4 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 4 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 14.0 — better |
| Further details — not scored | ||
| Size | 84 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | Ippocode Technologies LLP | CustomApps LLC |
In-app purchases
Cortex
- Cortex Pro$19.99
CustomNotify
No in-app purchases








