Fastclock vs SelfBrief
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fastclock
This utility app allows users to adjust time speed on their local network, up to 20 times faster than normal. It ensures only one instance distributes time signals and enables stopping time at a specific point, ideal for scheduled events.
- Adjustable time speed (1x to 20x)
- Multicast time distribution over Wi-Fi
- MCClock Standard support
- Single instance network check
- Stop time at specific point
- Suitable for event scheduling
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Now you can run your time as fast as you like. Fastclock distribute the time in multicast telegrams in the local Network, on WiFi. The MCClock Standart is used. Time speed adjustable between 1:1 (normal timespeed) to 20 times faster. The App checks the Network on other Fastclock Apps running on the same configuration. Making sure, there is only one instance whitch distribute the time telegramms. The Fastclock can now being stopped at a specific Time, which is very handy when you use a Timetable. Suitable for FREMO like meetings and others. Have fun!
SelfBrief
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SelfBrief is the perfect solution to ensure you have a suite of current and detailed airfield briefs. With a focus on the Threat and Error Management Principle, SelfBrief highlights the challenges posed by the diverse complexities of airports worldwide.
Screenshots
Verdict
The clearest difference is price: SelfBrief at Free against Fastclock's $0.99. SelfBrief also leads on update cadence (every 5 weeks vs every 5 months) and iOS requirement (13.0 vs 16.6). 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
SelfBrief is free to download; Fastclock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Fastclock ships an update every 5 months, SelfBrief every 5 weeks. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.
| Parameter | Fastclock | SelfBrief |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Michael Hoerlein | SelfBrief Limited |
In-app purchases
Fastclock
No in-app purchases
SelfBrief
No in-app purchases
