Signalgrid vs SkimGuard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Signalgrid
This service provides reliable and secure real-time push notifications across multiple devices and platforms. Organize alerts into channels, set delivery rules, and ensure critical messages are never missed. Offers free and paid tiers for individuals and teams.
- Real-time push notifications
- Cross-device and platform alerts
- Notification channel organization
- Time-based delivery rules
- Critical notification option
- API endpoint integration
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Signalgrid is a realtime push-notification service that offers reliable and secure alerts across all your devices. Send notifications to mobile devices, e-mail, web, or API endpoints, organize them into channels, and control when and how alerts are delivered. With time-based rules and optional critical notifications, Signalgrid ensures important messages are never missed. Free version includes: 10.000 notifications per month Up to 3 devices All standard notification features Single version: Unlimited notifications per month More devices and endpoints Critical notifications that bypass silent mode Teams version: Unlimited notifications per month Even more devices and endpoints Critical notifications that bypass silent mode Teams collaboration features Signalgrid is ideal for developers, teams, and anyone who needs dependable alerts without unnecessary noise. Terms of service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://signalgrid.co/privacy.php
SkimGuard
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Skim Guard helps you check a card reader before you pay. It's free for shoppers. Card skimmers are small devices criminals hide on gas pumps, store registers and ATMs to copy your card. They can be hard to see. Skim Guard gives you a quick way to check before you swipe. How it works: Hold your phone near the card reader and tap to check. Get a clear answer: the reader looks fine, or it's better to use another one. See a map of where skimmers have been found near you, and where it's clear. Keep a history of every reader you've checked and what you found. A few simple habits also help: give the reader a quick look and tug, cover the keypad when you enter your PIN, and tap to pay when you can. If you use an EBT card, lock it in your EBT app between trips. Store owners can use Skim Guard Business to check their own readers every morning and keep a dated log. Learn more at skimguard.io.
Screenshots
Verdict
The clearest difference is in-app purchases: SkimGuard at none against Signalgrid's 2. Signalgrid's advantage is ads (none vs shown). On price, update cadence, 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. Signalgrid sells 2 in-app purchases, starting at $4.99 per month. SkimGuard asks for nothing beyond the download.
Signalgrid ships an update fortnightly, SkimGuard every 3 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.
| Parameter | Signalgrid | SkimGuard |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.2 | 16.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 89 MB |
| Age rating | 4+ | 4+ |
| Developer | Signalgrid e.U. | SafeSignals |
In-app purchases
Signalgrid
- Single$4.991 Month
- Teams$49.991 Month
SkimGuard
No in-app purchases









