ntfy vs Odd Lock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ntfy
This app allows you to send push notifications to your phone from scripts or other applications using simple HTTP requests. It acts as a client for a free, open-source pub-sub service, enabling you to receive alerts and updates directly on your device.
- Send notifications via REST API
- Subscribe to topics
- Publish messages via HTTP
- Integrates with Bash/PowerShell
- Free and open source client
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Send push notifications to your phone from any Bash or PowerShell script, or from your own app using PUT/POST requests, e.g. via curl on Linux or Invoke-WebRequest. ntfy is a client for https://ntfy.sh, a free and open source HTTP-based pub-sub service. You can subscribe to topics in this app, and then publish messages via a simple HTTP API. Uses: * Notify yourself when a long-running process is done * Ping your phone when a backup has failed * Alerts when someone logs into your server Example: $ curl -d "Your backup is done" ntfy.sh/mytopic Find more examples and usage instructions here: https://ntfy.sh/docs
Odd Lock
This utility app helps you regain control over your device usage by restricting access to chosen applications. It requires completing a simple task, like speaking a phrase or walking, before apps become available for a set duration.
- App access restriction
- Task-based unlocking
- User-defined access periods
- On-device processing
- No account required
- No personal data collection
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Odd Lock is an iOS application that helps users limit their use of selected apps. Using Apple's Screen Time framework, it restricts access to the apps a user chooses and requires the completion of a brief task before they can be reopened. For example, speaking a recorded phrase or walking a short distance. Once the task is completed the apps remain available for a user-defined period of time before resetting. The app requires no account, collects no personal data, and performs all processing on the device.
Screenshots
Verdict
The clearest difference is price: ntfy at Free against Odd Lock's $4.99. ntfy also leads on ratings volume (474 vs 3) and iOS requirement (15.0 vs 26.5). Odd Lock's advantage is rating (5.0 vs 4.8). On update cadence, 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
ntfy is free to download; Odd Lock costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Odd Lock holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: ntfy has 474 ratings behind it against 3, so its average is the more settled of the two.
ntfy ships an update fortnightly, Odd Lock every 2 weeks. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.
| Parameter | ntfy | Odd Lock |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 4.8 (474 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 78.9% of reviews | — |
| Number of ratings | 474 — better | 3 |
| Update frequency | Fortnightly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 26.5 |
| Further details — not scored | ||
| Size | 3 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Philipp Heckel | Abstract Syntax LLC |
Customer experience
ntfy
Odd Lock
Bugs and requests
ntfy
Reported bugs
3 issues- Notifications not working on iOS
- Broken click URLs in notifications
- Compatibility issues with iOS notification summarizing
Requested features
5 requests- Ability to change notification sounds
- Support for Apple Watch
- Customizable topic names/aliases
- Improved iOS notification handling
- All topics view and read/unread indicators
Odd Lock
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ntfy
No in-app purchases
Odd Lock
No in-app purchases
