Countdown Letters & Numbers vs SIXTN
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Countdown Letters & Numbers
Challenge your mind with a numbers game using basic math operations or a letters game to find the longest words. This free mental agility game is completely ad-free and does not collect your data.
- Numbers game with mathematical operations
- Letters game to find long words
- Mental agility workout
- Completely free
- No advertising
- Data privacy
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Countdown: Letters and Numbers is a mental agility game where you can choose between work out your brain by playing with numbers or playing with letters. Numbers game: Use basic mathematical operations and 6 random numbers to get the desired result. Maybe it isn’t easy, but there is always a solution. Letters game: With 9 random letters, based on the percentages of appearance of letters in the dictionary, you must find words as long as possible. Countdown is completely free without advertising. Your data is not collected. There is only a small tool that warns us in case the application crashes.
SIXTN
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Test your skills and luck to make larger numbers!
Screenshots
Verdict
The clearest difference is ads: Countdown Letters & Numbers at none against SIXTN's shown. SIXTN's advantage is update cadence (weekly vs fortnightly) and iOS requirement (13.4 vs 16.0). On price, 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.
Countdown Letters & Numbers ships an update fortnightly, SIXTN weekly. The most recent releases landed on September 19, 2026 and September 8, 2026 respectively.
| Parameter | Countdown Letters & Numbers | SIXTN |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 42.9% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Fortnightly | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 66 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Limaraxa S.L. | fadition Co., Ltd. |
In-app purchases
Countdown Letters & Numbers
No in-app purchases
SIXTN
No in-app purchases
Questions
Is Countdown Letters & Numbers free?
Is SIXTN free?
Do Countdown Letters & Numbers or SIXTN have ads?
Which is updated more often, Countdown Letters & Numbers or SIXTN?
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