SyncML PRO 4 vs Grafana
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SyncML PRO 4
This app facilitates synchronization of contacts and calendars using the SyncML standard. It is designed for users who require this specific legacy technology, often in organizational settings, and need to connect to a SyncML-compliant server. It offers calendar views and enhanced contact group management.
- SyncML contacts and calendar synchronization
- Connects to SyncML compliant servers
- Acts as a local SyncML server
- Calendar month, day, week, and list views
- Contact group assignment feature
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Please read the following desciption before buying this app! SyncML PRO 4 is a niche app, suitable only when you need synchronizing contacts and calendar with a server or service which uses a standard called SyncML. The app does not support any other synchronisation technology! So please buy this app only if you know for sure that SyncML-based synchronisation is really what you need! This may be the case when the IT people of your organisation say so, and maybe even explicitly recommend using SyncML PRO to synchronize calendars and contacts. In any case, please realize that for using this app, you need to know the URL of your syncml server, the login user to use, and the so called server paths for contacts/calendar. Only the provider of the SyncML service knows these details and can support you in establishing sync with his SyncML server. We as makers of the SyncML client app cannot! By now, SyncML is a legacy standard. It was invented in 2000, and many of that time's feature phones did support it. Since then, it has been largely superseded by other technologies, most notably CalDAV and CardDAV, which iOS supports out of the box without any extra app. But SyncML still exists, and for some older calendaring systems, it may be the only way to synchronize. For those cases, SyncML PRO 4 exists. SyncML PRO 4 is a rework of the former SyncML PRO app, to allow using SyncML on iOS 10 and later (the original SyncML PRO app only works up to iOS 9). But please note that SyncML PRO 4 does not provide new features over the original SyncML PRO - except for a contact list view with a way to easily assign contacts to groups. Otherwise SyncML PRO 4 just carries the original SyncML PRO functionality forward to make it usable with iOS10 and later. So now that you are certain SyncML based synchronisation is what you need - here's the summary for SyncML PRO 4: • based on a mature and extensively interoperability tested SyncML engine, which powers many SyncML client and server products for different platforms (libsynthesis). • allows synchronizing all or selected iOS calendars to a SyncML compliant server or service in the internet or in the local network. • can act as SyncML server in the local WiFi network (e.g. to keep really old mobiles in sync with an iOS device) • has built-in month, day, week and list views for the iOS calendar (same as in original SyncML PRO) • has a contacts list for the iOS contacts, and allows quickly assigning/removing contact group membership (that's a new feature in SyncML PRO 4) Please visit the plan44.ch web page (see support link below) for support and FAQ, as well as documentation for download.
Grafana
Manage and respond to critical system events from anywhere. Designed for on-call engineers, it offers reliable alert notifications and reminders to simplify incident response duties.
- Incident management
- On-call reminders
- Alert notifications
- System event response
- On-the-go management
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Grafana is the official mobile app for Grafana Cloud. Stay connected to your observability and incident response workflows wherever you are. With the Grafana mobile app, you can: • Ask Grafana Assistant questions and continue recent conversations • Browse dashboards and view starred dashboards and panels • Receive reliable push notifications for alerts and incidents • Acknowledge, resolve, silence, or escalate alert groups • See who is on call and review upcoming schedules • Respond to incidents and keep the timeline updated • Page a team or trigger a manual alert An existing Grafana Cloud account is required. Available features depend on the products enabled for your stack and your permissions. The app does not support Grafana OSS. Learn more at https://grafana.com/docs/grafana-cloud/alerting-and-irm/irm/irm-mobile-app/.
Screenshots
Verdict
The clearest difference is price: Grafana at Free against SyncML PRO 4's $11.99. Grafana also leads on update cadence (fortnightly vs every 17 months) and ratings volume (61 vs 1). SyncML PRO 4's advantage is rating (5.0 vs 4.7) and iOS requirement (10.0 vs 15.0). On 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
Grafana is free to download; SyncML PRO 4 costs $11.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SyncML PRO 4 holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Grafana has 61 ratings behind it against 1, so its average is the more settled of the two.
SyncML PRO 4 ships an update every 17 months, Grafana fortnightly. The most recent releases landed on September 27, 2026 and September 24, 2026 respectively.
| Parameter | SyncML PRO 4 | Grafana |
|---|---|---|
| Price | $11.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | 4.7 (61 ratings) |
| Positive reviews | — | 60.0% of reviews |
| Number of ratings | 1 | 61 — better |
| Update frequency | Every 17 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 4 MB | 131 MB |
| Age rating | 4+ | 4+ |
| Developer | Lukas Zeller | Grafana Labs |
Customer experience
SyncML PRO 4
Grafana
In-app purchases
SyncML PRO 4
No in-app purchases
Grafana
No in-app purchases









