# Julianator vs Composer Mobile

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 ratings volume (123 vs 13). 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.

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 123 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 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Julianator | Composer Mobile |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.7 (123 ratings)](https://appshunter.io/ios/app/julianator/id383950353/reviews)** | [1.6 (13 ratings)](https://appshunter.io/ios/app/composer-mobile/id1611422365/reviews) |
| Number of ratings | **123** | 13 |
| Positive reviews | **70.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 4 MB | 45 MB |
| Requires iOS | 17.4 | **11.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bright Day Digital LLC](https://appshunter.io/developer/383950356) | [Telkonet, Inc](https://appshunter.io/developer/906021491) |

## What reviewers say

### Julianator

[App page](https://appshunter.io/ios/app/julianator/id383950353)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Composer Mobile

[App page](https://appshunter.io/ios/app/composer-mobile/id1611422365)

Easily set up WiFi connectivity for your TouchCombo thermostat. Once connected, remotely control your device and manage its settings from your smartphone.

**Highlights:** WiFi setup for TouchCombo thermostats, Remote device control, Thermostat settings management, Smartphone integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Julianator free?

Julianator costs $0.99, with no in-app purchases.

### Is Composer Mobile free?

Composer Mobile is free to download, with no in-app purchases.

### Which has better reviews, Julianator or Composer Mobile?

Julianator is rated higher. Julianator averages 4.7 out of 5 from 123 ratings, while Composer Mobile averages 1.6 from 13 ratings.

### Do Julianator or Composer Mobile have ads?

Neither Julianator nor Composer Mobile shows ads.

### Which is updated more often, Julianator or Composer Mobile?

Julianator ships an update every 3 months, and Composer Mobile every 4 weeks. Most recently, Julianator was updated on October 26, 2026 and Composer Mobile on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*