Julianator vs Composer Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Julianator
Easily convert dates between the Gregorian calendar and the Julian Day of Year (ordinal date). This tool is useful for systems that use day-of-year numbering, such as mainframes, military, and food industries. It offers a clean interface, monthly views, and widgets for quick access.
- Gregorian to Julian Day of Year conversion
- Julian Day of Year to Gregorian conversion
- Monthly calendar view
- Home Screen widgets
- Lock Screen widgets
- Watch app with complications
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This app converts a date between Julian Day of Year and Gregorian. For example, September 11, 2022 converts to 2022-254 and 2022-254 converts to September 11, 2022. This app will convert both directions. Julian Date for this app refers to the day-of-year number (more properly, the ordinal date) in the Gregorian calendar, often used in mainframe computer systems, the military, and the food industry. (Note: this app does not used the term Julian Date to refer to the astronomy definition which is calculated from 4713 BC) Features a simple clean interface with pickers for the dates. The app also features a monthly view allowing a quick view of both Gregorian and Julian days for the entire month. Widgets are available for both the Home Screen and the Lock Screen to display the current day of year. A Watch app is available that includes a date converter and complications to display the current day of year. Note: The app's icon does not change to reflect the current day. Privacy Policy: https://julianator.brightdaydigital.com/privacy Terms of Service: https://julianator.brightdaydigital.com/terms
Composer Mobile
Easily set up WiFi connectivity for your TouchCombo thermostat. Once connected, remotely control your device and manage its settings from your smartphone.
- WiFi setup for TouchCombo thermostats
- Remote device control
- Thermostat settings management
- Smartphone integration
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Telkonet's Composer Mobile app is the tool you need to set up WiFi connectivity on your new TouchCombo thermostat, and then use it to remotely control your device.
Screenshots
Verdict
The clearest difference is review sentiment: Julianator at 70% against Composer Mobile's 0%. Julianator also leads on rating (4.7 vs 1.6) and chart position (#119 vs unranked). Composer Mobile's advantage is price (Free vs $0.99) and update cadence (every 4 weeks vs every 3 months). 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
Composer Mobile is free to download; Julianator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Julianator holds the better App Store score, 4.7 against 1.6. That said, the two scores are not equally well evidenced: Julianator has 117 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 70% of Julianator's written reviews are positive against 0% of Composer Mobile's.
Julianator ships an update every 3 months, Composer Mobile every 4 weeks. The most recent releases landed on October 18, 2026 and October 12, 2026 respectively.
| Parameter | Julianator | Composer Mobile |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.7 (117 ratings) — better | 1.6 (13 ratings) |
| Positive reviews | 70.4% of reviews — better | 0.0% of reviews |
| Number of ratings | 117 — better | 13 |
| Update frequency | Every 3 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | #119 — better | — |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 17.4 | 11.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Bright Day Digital LLC | Telkonet, Inc |
Customer experience
Julianator
Composer Mobile
In-app purchases
Julianator
No in-app purchases
Composer Mobile
No in-app purchases
Questions
Is Julianator free?
Is Composer Mobile free?
Which has better reviews, Julianator or Composer Mobile?
Do Julianator or Composer Mobile have ads?
Which is updated more often, Julianator or Composer Mobile?
Other comparisons
