# Holdover Time vs Duty+

The clearest difference is in-app purchases: Duty+ at none against Holdover Time's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Holdover Time sells 3 in-app purchases, starting at $4.99 per year. Duty+ asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Holdover Time | Duty+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/holdover-time/id1600468704/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 3 MB |
| Requires iOS | **16.6** | 17.5 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mohamed Farhadi](https://appshunter.io/developer/1191731876) | [Sim2Sky Ltd](https://appshunter.io/developer/6787638798) |

## What reviewers say

### Holdover Time

[App page](https://appshunter.io/ios/app/holdover-time/id1600468704)

Calculate essential deicing holdover times with the latest FAA guidelines for the 2025-2026 winter season. This tool provides accurate calculations for various fluid types and includes a real-time countdown timer for enhanced situational awareness.

**Highlights:** Up-to-date FAA Holdover Time Guidelines (2025-2026), Calculations for Fluid Types II, III, & IV, Customized notes for specific fluids, Intuitive interface for aviation professionals, Real-time Holdover Time Countdown Timer, Ad-free experience

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hold Over Time Calculator | $4.99 | per year |
| Hold Over Time Calculator | Free | one-time |
| Holdover Time - Life Time | $24.99 | one-time |


### Duty+

[App page](https://appshunter.io/ios/app/duty-plus/id6787638796)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Holdover Time free?

Holdover Time is free to download, with in-app purchases available.

### Is Duty+ free?

Duty+ is free to download, with no in-app purchases.

### Do Holdover Time or Duty+ have ads?

Neither Holdover Time nor Duty+ shows ads.

### Which is updated more often, Holdover Time or Duty+?

Holdover Time ships an update every 2 weeks, and Duty+ every 2 weeks. Most recently, Holdover Time was updated on October 13, 2026 and Duty+ on October 11, 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.*