# Ding vs Synca

The clearest difference is in-app purchases: Ding at none against Synca's 2. Synca's advantage is update cadence (every 2 weeks vs every 6 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Synca sells 2 in-app purchases, starting at $4.99 per month. Ding asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Ding against 5.0 for Synca. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Ding ships an update every 6 weeks, Synca every 2 weeks. The most recent releases landed on September 28, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Ding | Synca |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/ding-training-timer/id6749311355/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/synca-ai-cycle-syncing/id6758351599/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | **Free** | Subscription |
| Size | 32 MB | 25 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KATERINA SOURKOVA](https://appshunter.io/developer/1829942764) | [Burcu Ibicioglu](https://appshunter.io/developer/1872466864) |

## What reviewers say

### Ding

[App page](https://appshunter.io/ios/app/ding-training-timer/id6749311355)

This app provides customizable timers for various activities like meditation, interval training, and general practice. It offers features for tracking progress, analyzing performance with visual charts, and organizing sessions with custom tags. The interface is clean and supports offline functionality.

**Highlights:** Customizable meditation timers with interval bells, Interval training for HIIT and circuit workouts, Stopwatch and random interval timer modes, Create and save custom training presets, Calendar view with training streaks, Visual analytics and progress charts, Offline functionality

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

**In-app purchases:** none


### Synca

[App page](https://appshunter.io/ios/app/synca-ai-cycle-syncing/id6758351599)

This app uses AI to help you plan your daily tasks and activities around your menstrual cycle. It provides personalized insights and suggestions for energy, focus, and mood based on your current cycle phase. Optimize your productivity and well-being by working with your body's natural rhythms.

**Highlights:** AI-powered cycle-aware task planning, Personalized daily insights based on cycle phase, Four cycle phases with identified strengths, Smart calendar with energy-based event tagging, Quick daily mood and energy tracking, Phase-matched workout and meal suggestions, Private data storage on device

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Synca AI | $4.99 | per month |
| Synca AI | $24.99 | per year |


## Frequently asked questions

### Is Ding free?

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

### Is Synca free?

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

### Which has better reviews, Ding or Synca?

Ding and Synca are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Ding or Synca have ads?

Neither Ding nor Synca shows ads.

### Which is updated more often, Ding or Synca?

Ding ships an update every 6 weeks, and Synca every 2 weeks. Most recently, Ding was updated on September 28, 2026 and Synca on September 29, 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.*