LTC vs TechTools App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LTC
Generate SMPTE linear time code for video and film frame labeling. The audio output is for controlling playback on other devices, not for listening. Run in the background with screen locked and output audio via headphone jack, AirPlay, or Bluetooth.
- Generate SMPTE linear time code
- Audio output for playback control
- Background operation with screen locked
- Multiple audio output options
- Selectable frame rates
- Customizable start and end times (full version)
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This app can generate SMPTE linear time code for testing. SMPTE timecode is a set of cooperating standards to label individual frames of video or film with a timecode. The audio output generated from this app is not for human listening, it is for controlling a video playback on another device. You can run the app in the background when your device's screen is locked. You can output the audio though the headphone jack, airplay or bluetooth. In the full version, you are able to: - Select different frame rate: 23.976, 24, 25, 29.97, 30 - Set the starting time. - Set the ending time to automatically stop or alternatively continue playing until you press stop. In the free version: - Select different frame rate: 23.976, 24, 25, 29.97, 30 - Timecode starts from the current device time. - Automatically stops generating and playing at midnight or press stop manually.
TechTools App
This app provides essential tools for lighting technicians, desk operators, and network administrators. It includes calculators for DMX addressing, IP addresses, and beam calculations, along with various useful converters for technical data.
- DMX addressing wizard
- IP address and class calculator
- Color code reference
- Beam calculator
- Electrical cable color codes
- Ingress Protection Code guide
- Technical data converters
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This application aims to be in the pocket of any technician, light desk operator, or stage network administrator. You will find the most useful tools for a lighting technician or manager, a desk operator or a network administrator. - DMX addressing wizard and dipswitch - IP addresses and classes - Color code - Beam Calculator - Electrical cable colors - Ingress Protection Code As well as several converters : - percentage / decimal on 24 bits, i.e. 3 bytes (for the usual coarse/fine/ultra values on the lighting desks and in the fixtures). - CIDR notation / dotted decimal notation for network masks - hexadecimal / decimal for ART-net universes notations, for example
Screenshots
Verdict
The clearest difference is review sentiment: TechTools App at 100% against LTC's 0%. TechTools App also leads on in-app purchases (none vs 1) and iOS requirement (14.1 vs 16). LTC's advantage is price (Free vs $4.00) and update cadence (every 5 months vs every 25 months). On ads 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
LTC is free to download; TechTools App costs $4.00 up front. LTC sells 1 one-off in-app purchase. TechTools App asks for nothing beyond the download.
LTC ships an update every 5 months, TechTools App every 25 months. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.
| Parameter | LTC | TechTools App |
|---|---|---|
| Price | Free — better | $4.00 |
| Rating | 1.7 (6 ratings) — better | — |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 6 — better | — |
| Update frequency | Every 5 months — better | Every 25 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 16 | 14.1 — better |
| Further details — not scored | ||
| Size | 1 MB | 16 MB |
| Age rating | 4+ | 17+ |
| Developer | Zhuoyao lu | Noe Loridan |
Customer experience
LTC
TechTools App
In-app purchases
LTC
- Full version$5.99
TechTools App
No in-app purchases








