# dinx vs VoltOnoSprint

The clearest difference is in-app purchases: dinx at none against VoltOnoSprint's 4. dinx also leads on iOS requirement (12.0 vs 15.4). VoltOnoSprint's advantage is update cadence (every 3 weeks vs every 6 weeks) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. VoltOnoSprint sells 4 in-app purchases, starting at $0.99 per month. dinx asks for nothing beyond the download.

dinx ships an update every 6 weeks, VoltOnoSprint every 3 weeks. The most recent releases landed on September 13, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | dinx | VoltOnoSprint |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 24 MB | 73 MB |
| Requires iOS | **12.0** | 15.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [dinx Co.,ltd.](https://appshunter.io/developer/1748715746) | [株式会社S-CADE](https://appshunter.io/developer/1621269147) |

## What reviewers say

### dinx

[App page](https://appshunter.io/ios/app/dinx/id1487400367)

This app helps athletes manage their medications and check for prohibited substances. It allows you to record your medication history and verify if any registered drugs contain banned ingredients. Access a database of approximately 13,000 OTC and 21,000 prescription drugs.

**Highlights:** Record medication usage, Check for prohibited substances, Database of OTC drugs, Database of prescription drugs, Anti-doping compliance

**Features:** macOS Compatibility

**In-app purchases:** none


### VoltOnoSprint

[App page](https://appshunter.io/ios/app/voltonosprint/id1541520728)

This app connects to a dedicated server to enable timing measurements using a photoelectric sensor. It facilitates accurate time tracking for various sports and activities.

**Highlights:** Photoelectric sensor integration, Dedicated server connection, Accurate time measurement, Sports timing, CSV data export

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1ユーザー+CSV出力プラン | $0.99 | per month |
| 50ユーザー+CSV出力プラン | $3.99 | per month |
| 100ユーザー+CSV出力プラン | $6.99 | per month |
| 1000ユーザー+CSV出力プラン | $9.99 | per month |


## Frequently asked questions

### Is dinx free?

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

### Is VoltOnoSprint free?

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

### Do dinx or VoltOnoSprint have ads?

Neither dinx nor VoltOnoSprint shows ads.

### Which is updated more often, dinx or VoltOnoSprint?

dinx ships an update every 6 weeks, and VoltOnoSprint every 3 weeks. Most recently, dinx was updated on September 13, 2026 and VoltOnoSprint on September 21, 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.*