Void Soul vs MentalCalculation & Abacus Pro
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Void Soul
Embark on a steampunk fantasy adventure filled with revenge and longing. Explore diverse locations, engage in puzzle-based battles, and uncover a story of love, revenge, and madness with charming characters.
- Steampunk fantasy narrative
- Dot graphic exploration
- Puzzle-based battles
- Luxurious voice acting
- Character-driven story
- Visual novel elements
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"Alright, we're going to rush to our target destination." Endless revenge and twisted longing for family Steampunk fantasy of two emotions burning like fuse till the end begins now! The story of empire reigning over the desert continent and revel train confronting the empire [Spin-off story of Mandrake Boys Chief Commander and Empire Seeds] Fusion Steampunk Style Novel Adventure Game 「Void Soul」 Charming characters and stories such as Chief Commander of rebel train or Emperor longing for revenge - Story full of love and revenge, laughter and touching, solemnness and madness! Dot graphic adventure exploring fortress in desert, train, palace and more - Manipulate character to explore various fields by yourself! Luxurious voice actors and your liking standing images & illustrations - Play delighting your eyes and ears! Enjoy the crucial moment for 200%! Battle that has various puzzles & simple but suspenseful - Be the one with character and get over the odds! Character introduction - TESLA The head of rebels confronting the empire and chief commander of infinite-energy train Tesla Leads rebels only to revenge the empire that destroyed hometown - COIL Captain of Tesla's rebels He is an ace with the best combat capability but deeply rely to Tesla mentally - DESTY Army Surgeon of Tesla's rebels Mysterious mad doctor. He had a crush on Tesla's eyes at first sight. - KLAPROTH Emperor who does everything whatever it takes to achieve goal He seems to be obsessed with Tesla Void Soul Official SNS: https://twitter.com/VoidSoul_twt Inquiry e-mail and contacts E-mail : cs.owlogue@gmail.com Tel : (+82)70-4351-5515 #Void Soul #Mandrake Boys #Adventure #Visual Novel #Steampunk #Bromance
MentalCalculation & Abacus Pro
Engage in a fun and challenging mental calculation and abacus game. Practice with diverse questions and learn the abacus with an easy tutorial. This pro version offers an enhanced experience without frequent forced ads.
- Mental calculation practice
- Abacus learning tutorial
- Variety of practice questions
- Pro version benefits
- No forced ads
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[ Pro version bonus ] * No forced ads that appear every 5 minutes of play time * Significant increase in recharge amount when watching coin recharge advertisements [ Mental Calculation & Abacus ] Play the best Mental Calculation and Abacus game! * Practice with a variety of questions * Easy tutorial for learning Abacus
Screenshots
Verdict
The clearest difference is review sentiment: Void Soul at 100% against MentalCalculation & Abacus Pro's 0%. Void Soul also leads on price (Free vs $0.99). MentalCalculation & Abacus Pro's advantage is in-app purchases (none vs 14). On update cadence, ads, device support and iOS requirement 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
Void Soul is free to download; MentalCalculation & Abacus Pro costs $0.99 up front. Void Soul sells 13 one-off in-app purchases. MentalCalculation & Abacus Pro asks for nothing beyond the download.
Void Soul ships an update every 4 weeks, MentalCalculation & Abacus Pro monthly. The most recent releases landed on October 22, 2026 and October 23, 2026 respectively.
| Parameter | Void Soul | MentalCalculation & Abacus Pro |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.9 (9 ratings) — better | — |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 9 — better | — |
| Update frequency | Every 4 weeks — better | Monthly |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 1.6 GB | 144 MB |
| Age rating | 12+ | 4+ |
| Developer | OWLOGUE Co., Ltd. | Park Jisang |
Customer experience
Void Soul
MentalCalculation & Abacus Pro
In-app purchases
Void Soul
- Buy Story 2$1.49
- Buy Story 3$2.49
- Buy Story 4$3.39
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- Buy Story 5$3.39
- Extra story package1$6.89
- Extra story package2$6.89
- Extra story package3$7.69
- Buy all remaining stories$12.49
- Buy all remaining stories$13.49
- Buy all remaining stories$14.49
- Buy all remaining stories2 variants$20.49
- Buy all remaining stories$21.49
- Buy all remaining stories$21.99
MentalCalculation & Abacus Pro
No in-app purchases
Questions
Is Void Soul free?
Is MentalCalculation & Abacus Pro free?
Do Void Soul or MentalCalculation & Abacus Pro have ads?
Which is updated more often, Void Soul or MentalCalculation & Abacus Pro?
Other comparisons
