Thermodynamic Cycles vs Knowledge Snack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Thermodynamic Cycles
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Thermo Cycles is a powerful thermodynamic cycle calculator designed for engineering students and professionals. Solve 12 thermodynamic cycles quickly and accurately — just enter the values you know, and the iterative constraint solver computes the rest. Supported cycles: - Carnot Cycle - Otto Cycle - Diesel Cycle - Brayton Cycle - Regenerative Brayton Cycle - Rankine Cycle - Reheated Rankine Cycle - Open Feedwater Heater Cycle - Closed Feedwater Heater Cycle - Flash Chamber Cycle - Heat Pump / Refrigeration Cycle - Cascading Refrigeration Cycle Features: - Built-in fluid property tables for steam, R-134a, and more - Iterative constraint solver — enter what you know, get the full solution - State point properties automatically resolved from fluid tables - Clean, intuitive interface optimized for studying and problem sets - Available in 21 languages Get started free with the Carnot, Otto, and Rankine cycles included. Unlock additional cycle packs via in-app purchase. Whether you are studying for exams or solving homework problems, Thermo Cycles makes thermodynamic analysis fast and straightforward.
Knowledge Snack
Discover a new interesting fact daily in just two minutes. Enjoy audio narration for learning on the go and save your favorite facts for later reference. Customize notification frequency to suit your learning schedule.
- Daily new facts
- Audio narration
- Save favorite facts
- Customizable notifications
- Short learning sessions
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GET SMARTER IN 2 MINUTES Learn a new interesting fact every day. LISTEN ON THE GO Learn on the go with audio narration. SAVE YOUR FAVORITES Save your favorite knowledge snacks to reference them later. CHOOSE YOUR NOTIFICATION CADENCE Pick when you want to get notified: daily, weekly or never! Terms of Use: https://knowledgesnack.app/terms.html Privacy Policy: https://knowledgesnack.app/privacy.html
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Verdict
The clearest difference is update cadence: Knowledge Snack at every 9 days against Thermodynamic Cycles's every 3 months. On price, ads, 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. Thermodynamic Cycles sells 4 one-off in-app purchases and Knowledge Snack sells 1 in-app purchase, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.
Thermodynamic Cycles ships an update every 3 months, Knowledge Snack every 9 days. The most recent releases landed on November 11, 2026 and November 15, 2026 respectively.
| Parameter | Thermodynamic Cycles | Knowledge Snack |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 3 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 50 MB | 54 MB |
| Age rating | 4+ | 9+ |
| Developer | Angus Malcolm | Giftphoria |
In-app purchases
Thermodynamic Cycles
- Gas Power Cycles$0.49
- Refrigeration Cycles$0.49
- Vapor Power Cycles$0.49
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- Unlock All$0.99
Knowledge Snack
- Annual Premium3 Days trial$19.991 Year
Questions
Is Thermodynamic Cycles free?
Is Knowledge Snack free?
Do Thermodynamic Cycles or Knowledge Snack have ads?
Which is updated more often, Thermodynamic Cycles or Knowledge Snack?
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