# Holdover Time vs SelfBrief

The clearest difference is in-app purchases: SelfBrief at none against Holdover Time's 3. SelfBrief also leads on iOS requirement (13.0 vs 16.6). 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. SelfBrief asks for nothing beyond the download.

Holdover Time ships an update every 4 weeks, SelfBrief every 5 weeks. The most recent releases landed on July 20, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Holdover Time | SelfBrief |
| --- | --- | --- |
| 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 4 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 38 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mohamed Farhadi](https://appshunter.io/developer/1191731876) | [SelfBrief Limited](https://appshunter.io/developer/1708730424) |

## 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

**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 |


### SelfBrief

[App page](https://appshunter.io/ios/app/selfbrief/id6467506430)

**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 SelfBrief free?

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

### Do Holdover Time or SelfBrief have ads?

Neither Holdover Time nor SelfBrief shows ads.

### Which is updated more often, Holdover Time or SelfBrief?

Holdover Time ships an update every 4 weeks, and SelfBrief every 5 weeks. Most recently, Holdover Time was updated on July 20, 2026 and SelfBrief on September 18, 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.*