# TimeLync vs Aspect Ratio Pro

The clearest difference is rating: TimeLync at 5.0 against Aspect Ratio Pro's 4.0. TimeLync also leads on iOS requirement (15.0 vs 18.6). Aspect Ratio Pro's advantage is update cadence (every 3 weeks vs every 6 weeks) and price ($3.99 vs $4.99). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

TimeLync costs $4.99 and Aspect Ratio Pro $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TimeLync holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

TimeLync ships an update every 6 weeks, Aspect Ratio Pro every 3 weeks. The most recent releases landed on September 12, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | TimeLync | Aspect Ratio Pro |
| --- | --- | --- |
| Price | $4.99 | **$3.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/timelync/id1534836834/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/aspect-ratio-pro/id6747417099/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 13 MB | 24 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [靖元 张](https://appshunter.io/developer/1037330493) | [App ahead GmbH](https://appshunter.io/developer/955848754) |

## What reviewers say

### TimeLync

[App page](https://appshunter.io/ios/app/timelync/id1534836834)

Design custom interval timers for various activities like work, study, or workouts. Organize actions with durations and set them to play sequentially, with Apple Watch support for on-the-go use. Stay on track with timely progress reminders.

**Highlights:** Create custom interval timers, Design sequential actions with durations, Organize actions within processes, Play processes on Apple Watch, Receive progress reminders, Supports iPhone and Apple Watch

**Features:** Apple Watch app

**In-app purchases:** none


### Aspect Ratio Pro

[App page](https://appshunter.io/ios/app/aspect-ratio-pro/id6747417099)

This app helps you quickly solve for an unknown value in a proportion. Simply input three known numbers, and it will calculate the fourth, making ratio and proportion calculations effortless.

**Highlights:** Rule of three calculations, Instant fourth value calculation, Ratio and proportion solver, Intuitive input interface, Supports iPhone and Mac

**In-app purchases:** none


## Frequently asked questions

### Is TimeLync free?

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

### Is Aspect Ratio Pro free?

Aspect Ratio Pro costs $3.99, with no in-app purchases.

### Which has better reviews, TimeLync or Aspect Ratio Pro?

TimeLync is rated higher. TimeLync averages 5.0 out of 5 from 1 ratings, while Aspect Ratio Pro averages 4.0 from 1 ratings.

### Do TimeLync or Aspect Ratio Pro have ads?

Neither TimeLync nor Aspect Ratio Pro shows ads.

### Which is updated more often, TimeLync or Aspect Ratio Pro?

TimeLync ships an update every 6 weeks, and Aspect Ratio Pro every 3 weeks. Most recently, TimeLync was updated on September 12, 2026 and Aspect Ratio Pro on September 10, 2026.

---

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