Olarm vs ONESHOT Ballistics
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Olarm
Control and manage your home alarm system directly from your smartphone. This app allows you to arm, disarm, and monitor your system in real-time, receive notifications, and manage users. It also offers features like silent panic and gate control.
- Arm, Disarm, Sleep, Stay modes
- Arming reminders
- Real-time zone activity log
- Silent Panic
- Cancel Responder
- User management
- Gate and light control
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This is the companion app to the Olarm device. Plug and play into your existing home alarm system and you can control and manage your home alarm system from your phone. Please visit our website for more information. Features: - Set your alarm system to Arm, Disarm, Sleep or Stay - Set reminders to arm your system - Real-time zone activity log and notifications - Silent Panic - Cancel Responder - User management - Monitor electric fence - Control gates and lights
ONESHOT Ballistics
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OneShot Ballistics: Your Hands-Free Digital Spotter OneShot Ballistics brings modern iOS technology to the range and the field. Designed for precision shooters, hunters, and PRS competitors who need accurate, real-time shot solutions without disturbing their shooting position. The "Invisible Spotter Loop" (Siri & Live Activities) Stop handling your phone in the dust or breaking your position behind the rifle. Live Activities & Dynamic Island: See your latest Elevation (MOA/MIL) and Windage directly on your Lock Screen and Dynamic Island. Keep your phone locked to save battery while your data remains visible. Siri App Intents Integration: Simply ask Siri for a new calculation (e.g., "Hey Siri, new target at 500 meters"). OneShot calculates the new shot solution in the background, updates the screen, and reads the adjustments aloud over your Bluetooth hearing protection for you. Precision Ballistics Engine Real-Time Calculations: Accurate computed solutions for Elevation, Windage, Spin Drift, and Aerodynamic Jump. Profile Management: Save and easily switch between different rifles, ammunition, and rifle setups. Strict Validation: Siri and the system use precise profile matching to ensure you never use incorrect data at the range. Automatic Environmental Data (WeatherKit) Smart Weather Detection: If you do not manually enter wind speed or barometric pressure, OneShot automatically fetches the most recent weather and location data via Apple WeatherKit. Smart Offline Cache: No reception in the field? The application automatically uses your most recent known environmental data and explicitly notifies you. Designed for the Field High-Contrast Interface: Extreme readability in full sunlight or dark night conditions. Offline-First Architecture: Works 100% without an active cellular network. Your data and profiles remain stored locally on your device. No Complicated Subscriptions: Get full access to professional ballistics calculating power on your iPhone.
Screenshots
Verdict
The clearest difference is price: Olarm at Free against ONESHOT Ballistics's $9.99. ONESHOT Ballistics's advantage is update cadence (every 8 days vs every 3 weeks). On ads, in-app purchases, 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
Olarm is free to download; ONESHOT Ballistics costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Olarm ships an update every 3 weeks, ONESHOT Ballistics every 8 days. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.
| Parameter | Olarm | ONESHOT Ballistics |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 3.9 (32 ratings) — better | — |
| Positive reviews | 54.2% of reviews | — |
| Number of ratings | 32 — better | — |
| Update frequency | Every 3 weeks | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 39 MB | 61 MB |
| Age rating | 4+ | 17+ |
| Developer | Olarm (Pty) Ltd | GJ Pretorius |
In-app purchases
Olarm
No in-app purchases
ONESHOT Ballistics
No in-app purchases
Questions
Is Olarm free?
Is ONESHOT Ballistics free?
Do Olarm or ONESHOT Ballistics have ads?
Which is updated more often, Olarm or ONESHOT Ballistics?
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