Abacus' brain Lite vs Eye Training｜TraceMaster
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Abacus' brain Lite
This application helps users improve their mental calculation speed by simulating abacus use. It offers various levels of difficulty, progressing from single digits with longer time limits to faster calculations.
- Abacus simulation for mental calculation
- Sequential addition of numbers
- Adjustable difficulty levels
- Flash mental calculation practice
- Improve calculation speed
Read full descriptionHide full description
The mental calculation speed rapidly becomes early by putting the abacus in the head. This software is an application program that sequentially adds ten figures that appear one after another, and becomes familiar with the abacus. The level of the sense from 1 digit and 3 seconds to 0.5 seconds is prepared in the Lite version. Where can you calculate? The mental calculation mode is prepared of course, and calculate with an abacus in the head, please. The flash mental calculation is not a dream.
Eye Training｜TraceMaster
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.
- Dynamic vision training
- Fast-moving target tracking
- Multiple motion patterns
- Progress tracking with Vision Age
- Endless Mode with leaderboards
- Daily, weekly, monthly rankings
Read full descriptionHide full description
Train your dynamic vision. TraceMaster is an eye-training game: follow a fast-moving target with your eyes, then spot the right one the instant it stops. Simple to pick up, deep to master. ◆ 6 motion patterns × 5 difficulty levels Linear, bouncing, spinning, random walk, hidden zones, and all combined — targets get faster, smaller, and less predictable as you climb. ◆ Endless Mode with world rankings Daily, weekly, and monthly leaderboards. Top 3 players earn medals. ◆ Track your progress Each game gives you a score and a "Vision Age" so you can watch yourself improve. For athletes (baseball, tennis, table tennis), esports players, or anyone who wants sharper eyes — just 3 minutes a day. Put your vision to the test. Free to play.
Screenshots
Verdict
The clearest difference is review sentiment: Eye Training｜TraceMaster at 100% against Abacus' brain Lite's 56%. Eye Training｜TraceMaster also leads on rating (5.0 vs 2.0) and update cadence (every 5 days vs every 9 days). Abacus' brain Lite's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Eye Training｜TraceMaster holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 56% of Abacus' brain Lite's written reviews are positive against 100% of Eye Training｜TraceMaster's.
Abacus' brain Lite ships an update every 9 days, Eye Training｜TraceMaster every 5 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.
| Parameter | Abacus' brain Lite | Eye Training｜TraceMaster |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 56.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 1 |
| Update frequency | Every 9 days | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 6.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 5 MB | 71 MB |
| Age rating | 4+ | 4+ |
| Developer | POPPO STUDIO | Yeongse Kim |
Customer experience
Abacus' brain Lite
Eye Training｜TraceMaster
In-app purchases
Abacus' brain Lite
No in-app purchases
Eye Training｜TraceMaster
No in-app purchases
Questions
Is Abacus' brain Lite free?
Is Eye Training｜TraceMaster free?
Which has better reviews, Abacus' brain Lite or Eye Training｜TraceMaster?
Do Abacus' brain Lite or Eye Training｜TraceMaster have ads?
Which is updated more often, Abacus' brain Lite or Eye Training｜TraceMaster?
Other comparisons
