Comparison

NumFinder vs Chess Notation Trainer Pro

Price, ratings, monetisation and update history for both games, side by side โ€” with what reviewers say about each.

Head to head
About

NumFinder

This game helps improve focus by challenging players to find numbers in sequence. It offers five difficulty levels and a progress bar timer for enhanced concentration. Players can track their highest scores and aim for new personal bests.

Highlights
  • Number sequence finding gameplay
  • Five difficulty levels
  • Progress bar timer
  • Highest score tracking
  • Distraction-free experience
Features
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- In the process of finding a given number in order, all distractions disappear. - You can choose any of the five levels of difficulty. - The timer is displayed in the form of a progress bar so that you can focus. - You can challenge your goal at any time because your highest score remains.

About

Chess Notation Trainer Pro

Features
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Serious about chess? But struggling to identify the squares, remembering sequences and following notations? Well, you just landed on the perfect app! This training app is designed to dramatically uplift your mastery over chess squares. There are 5 training sessions. A small dose of regular practice will make you: 1. Spot a square as soon as you hear/see its coordinate 2. Translate a sequence of moves into their notation at ease 3. Immediately identify the color of a square 4. Stay oriented regardless of you facing white or black 5. Follow along with chess tutorials, books or any discussion without a board 6. Massively speedup your thought process on any calculation 7. Finally, start playing blind chess! There are well thought out features everywhere, like different time controls for training, untimed practice mode, hints and tips during gameplay, achievements and milestones, global leaderboards and a complete visualization of your records. Don't be surprised if you see a sudden surge of rating simply increasing your strength on square reading. This is a beautiful and satisfyingly addictive way to your square mastery. Caution: If you are rated below 1500, this app is probably not gonna be as useful for you, and tactics training is something you should prioritize.

Screenshots

NumFinder3 screens
Chess Notation Trainer Pro4 screens

Verdict

The call

The clearest difference is price: NumFinder at Free against Chess Notation Trainer Pro's $4.99. Chess Notation Trainer Pro's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

NumFinder is free to download; Chess Notation Trainer Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

NumFinder ships an update every 5 days, Chess Notation Trainer Pro every 6 days. Both last shipped on October 30, 2026.

Scorecard2 real differences ยท 6 level
NumFinder versus Chess Notation Trainer Pro: the parameters behind the verdict, then further details
ParameterNumFinderChess Notation Trainer Pro
PriceFree โ€” better$4.99
Positive reviews100.0% of reviewsโ€”
Update frequencyEvery 5 days โ€” betterEvery 6 days
AdsYesNo โ€” better
In-app purchasesNoNo
MonetizationAd-supportedโ€”
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS17.0 โ€” better18.6
Further details โ€” not scored
Size5 MB26 MB
Age rating4+4+
DeveloperMinseong KimNishat Majid

In-app purchases

None

NumFinder

No in-app purchases

None

Chess Notation Trainer Pro

No in-app purchases

Questions

Is NumFinder free?
NumFinder is free to download, with no in-app purchases.
Is Chess Notation Trainer Pro free?
Chess Notation Trainer Pro costs $4.99, with no in-app purchases.
Do NumFinder or Chess Notation Trainer Pro have ads?
NumFinder shows ads; Chess Notation Trainer Pro does not.
Which is updated more often, NumFinder or Chess Notation Trainer Pro?
NumFinder ships an update every 5 days, and Chess Notation Trainer Pro every 6 days. Most recently, NumFinder was updated on October 30, 2026 and Chess Notation Trainer Pro on October 30, 2026.

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