# AeroChart vs Stopwatch & Countdown Timer

The clearest difference is price: Stopwatch & Countdown Timer at Free against AeroChart's $4.99. Stopwatch & Countdown Timer also leads on review sentiment (25% vs 0%) and iOS requirement (14.0 vs 26.0). AeroChart's advantage is in-app purchases (none vs 6) and ads (none vs shown). On device support there is nothing between them.

Stopwatch & Countdown Timer is free to download; AeroChart costs $4.99 up front. Stopwatch & Countdown Timer sells 6 in-app purchases, starting at $8.99 per 7 days. AeroChart asks for nothing beyond the download.

AeroChart ships an update every 3 months, Stopwatch & Countdown Timer every 8 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | AeroChart | Stopwatch & Countdown Timer |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[4.2 (661 ratings)](https://appshunter.io/ios/app/stopwatch-and-countdown-timer/id6447750488/reviews)** |
| Number of ratings | — | **661** |
| Positive reviews | 0.0% of reviews | **25.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | **Paid** | Subscription |
| Size | 202 MB | 205 MB |
| Requires iOS | 26.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MSProgramming](https://appshunter.io/developer/524666921) | [Appenvision Ltd](https://appshunter.io/developer/1517746904) |

## What reviewers say

### AeroChart

[App page](https://appshunter.io/ios/app/aerochart/id1528891064)

This aviation app assists pilots by applying aircraft-specific data to chart information for performance calculations. It allows users to input details like temperature, altitude, and aircraft configuration to generate accurate results. The developer is open to adding support for new aircraft models upon request.

**Highlights:** Aviation chart reading, Performance calculations, Aircraft configuration input, Custom aircraft support, AFM data integration

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

**In-app purchases:** none


### Stopwatch & Countdown Timer

[App page](https://appshunter.io/ios/app/stopwatch-and-countdown-timer/id6447750488)

This app offers a versatile timer solution for various activities, including studying, cooking, and fitness. It features a stopwatch, countdown timer, and HIIT timer with customizable parameters and sound notifications. Organize your daily tasks and improve focus with its user-friendly interface.

**Highlights:** Countdown timer, Stopwatch, HIIT timer, Customizable parameters, Sound notifications, User-friendly interface

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Timer Tools | $8.99 | per 7 days |
| Advanced Timer Tools | $9.99 | per 7 days |
| Advanced Timer Tools | $9.99 | per 7 days |
| Personalized Timer Settings | $16.99 | per month |
| Enhanced Timer Options | $39.99 | per year |
| Enhanced Timer Options | $39.99 | per year |

**What reviewers like**

- ⏱️ Simple and functional timer/stopwatch
- 👍 Clean and intuitive UI design
- 🎯 Useful for workouts and training intervals
- 💾 Ability to save and recall workout routines
- 🔄 Works reliably once accessed

**What reviewers complain about**

- 💰 Extremely expensive subscription ($8.99-$17/week)
- 🚫 Aggressive paywall blocks app access immediately
- ❌ No true free version available
- 🔐 Requires payment information before free trial
- ⚠️ Confusing subscription options and labeling

**Reported bugs**

- Stopwatch stops when app is backgrounded
- App freezes on ad screens that don't fully load
- Frequent crashes and app instability
- Pop-up ads block app usage
- Unauthorized charges continuing after cancellation

**Requested features**

- Alarm functionality
- Lock screen timer display
- Background timer operation without keeping app open
- Better subscription cancellation options


## Frequently asked questions

### Is AeroChart free?

AeroChart costs $4.99, with no in-app purchases.

### Is Stopwatch & Countdown Timer free?

Stopwatch & Countdown Timer is free to download, with in-app purchases available.

### Do AeroChart or Stopwatch & Countdown Timer have ads?

Stopwatch & Countdown Timer shows ads; AeroChart does not.

### Which is updated more often, AeroChart or Stopwatch & Countdown Timer?

AeroChart ships an update every 3 months, and Stopwatch & Countdown Timer every 8 months. Most recently, AeroChart was updated on November 3, 2026 and Stopwatch & Countdown Timer on November 3, 2026.

---

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