# ABSline vs Eye Training｜TraceMaster

The clearest difference is review sentiment: Eye Training｜TraceMaster at 100% against ABSline's 50%. Eye Training｜TraceMaster also leads on update cadence (every 5 days vs every 3 weeks) and iOS requirement (13.0 vs 17.0). ABSline's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ABSline ships an update every 3 weeks, Eye Training｜TraceMaster every 5 days. The most recent releases landed on October 11, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | ABSline | Eye Training｜TraceMaster |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | **Free** | Ad-supported |
| Size | 37 MB | 71 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takayuki Hamuro](https://appshunter.io/developer/1875707249) | [Yeongse Kim](https://appshunter.io/developer/1705614265) |

## What reviewers say

### ABSline

[App page](https://appshunter.io/ios/app/absline/id6777848272)

This game challenges your judgment of baseball umpire calls. Watch pitches from a home-plate view and decide if the call was correct. You can even pitch yourself and analyze ball trajectory and spin.

**Highlights:** Judge umpire calls, Pitch yourself, Analyze ball trajectory, Track velocity and spin, 9-inning games, Game Center leaderboards

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

**In-app purchases:** none


### Eye Training｜TraceMaster

[App page](https://appshunter.io/ios/app/eye-trainingtracemaster/id6779860444)

This game challenges you to follow a fast-moving target with your eyes and then identify it once it stops. It offers various motion patterns and difficulty levels to improve your dynamic vision. Play for just 3 minutes daily to sharpen reflexes and eye speed.

**Highlights:** Dynamic vision training, Fast-moving target tracking, Multiple motion patterns, Progress tracking with Vision Age, Endless Mode with leaderboards, Daily, weekly, monthly rankings

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

**In-app purchases:** none


## Frequently asked questions

### Is ABSline free?

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

### Is Eye Training｜TraceMaster free?

Eye Training｜TraceMaster is free to download, with no in-app purchases.

### Do ABSline or Eye Training｜TraceMaster have ads?

Eye Training｜TraceMaster shows ads; ABSline does not.

### Which is updated more often, ABSline or Eye Training｜TraceMaster?

ABSline ships an update every 3 weeks, and Eye Training｜TraceMaster every 5 days. Most recently, ABSline was updated on October 11, 2026 and Eye Training｜TraceMaster on September 24, 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.*