Lensit vs SysX Buddy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lensit
This utility app helps users calculate the correct projection lens or distance for video projection events. It supports different aspect ratios and unit systems, with pro features for saving unlimited events.
- Calculate lens factor by size/distance
- Calculate distance by size/lens factor
- Support for 4:3 and 16:9 aspect ratios
- Metric and imperial unit support
- Unit conversion
- Save unlimited events (Pro feature)
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Get the exact lens and throw distance for your next projection setup — instantly. Lensit does the projection math for you: • Enter your screen size and distance to find the right lens • Or enter your lens spec to find the ideal distance • Switch between 4:3 and 16:9 aspect ratio • Works in metric or imperial — or use it to convert between them Built for AV techs, event producers, and anyone setting up a projector who doesn't want to do the math by hand. Pro adds: • Save unlimited events and pull them back up anytime
SysX Buddy
Manage MIDI System Exclusive messages on your iPhone or iPad. This utility allows you to send, receive, edit, and organize SysEx data for vintage synthesizers and sound modules. It supports external MIDI devices and BLE-MIDI, bridging classic instruments with modern mobile technology.
- Send and receive MIDI SysEx messages
- File manager with folder creation
- Hex viewer for SysEx data
- Create and edit SysEx files
- Support for USB MIDI devices
- Support for BLE-MIDI
- iCloud Drive integration
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Turn your iPhone or iPad into a dedicated SysEx manager. A reliable companion for your vintage MIDI gear. SysX Buddy is a straightforward and powerful app for sending, receiving, editing, and managing MIDI System Exclusive (SysEx) messages. SysEx messages were widely used in the 1980s and 1990s by classic synthesizers and sound modules. SysX Buddy helps bridge the gap between these vintage instruments and your modern iPhone or iPad. Key Features - Send and receive MIDI SysEx messages - Simple file manager with folder creation - View SysEx data in a hex viewer - Create and edit SysEx files in hex format - Send a dump request message when recording - Support for external MIDI devices (USB MIDI) - Support for BLE-MIDI (Bluetooth Low Energy) - Save files anywhere on your device --- with fully customizable folder locations, including iCloud Drive. Note that: - There might be some communication issues on iOS/iPadOS 14. - The application and description contain AI-generated contents. - The data in the screenshot are not included by the application.
Screenshots
Verdict
The clearest difference is review sentiment: SysX Buddy at 100% against Lensit's 0%. SysX Buddy also leads on iOS requirement (13.0 vs 16.4). Lensit's advantage is update cadence (fortnightly vs every 2 months) and price ($3.99 vs $4.99). On ads, in-app purchases, monetization model 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
Lensit costs $3.99 and SysX Buddy $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Lensit ships an update fortnightly, SysX Buddy every 2 months. The most recent releases landed on September 24, 2026 and October 9, 2026 respectively.
| Parameter | Lensit | SysX Buddy |
|---|---|---|
| Price | $3.99 — better | $4.99 |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 3 — better |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 13.0 — better |
| Further details — not scored | ||
| Size | 49 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | lior cohen | Ryouta Kira |
Customer experience
Lensit
SysX Buddy
In-app purchases
Lensit
No in-app purchases
SysX Buddy
No in-app purchases









