Trajectory vs Blastwave
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Trajectory
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Detects the trajectories of shapes moving along a parabolic path
Blastwave
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The Blastwave program is an auxiliary tool designed to support the estimation of basic blast loading properties on engineering structures. It is based on publicly available, open-access knowledge and aims to provide engineers and designers with reliable assistance in conducting blast load assessments. The knowledge compiled in the program comes from various international experts. While every effort has been made to ensure accuracy, the program may still contain errors or require improvements — for which user feedback is greatly appreciated. All collected fees are fully allocated to the continued development of the software, with the goal of making it increasingly useful in everyday engineering practice. Terms of Use: https://phobos-ca.com/BLASTWAVE/terms-of-use.html Privacy Policy: https://phobos-ca.com/BLASTWAVE/privacy-policy.html
Screenshots
Verdict
The clearest difference is in-app purchases: Trajectory at none against Blastwave's 2. Trajectory also leads on update cadence (fortnightly vs every 6 months). Blastwave's advantage is ads (none vs shown) and iOS requirement (15.1 vs 17.7.2). On price 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. Blastwave sells 2 in-app purchases, starting at $3.99 per month. Trajectory asks for nothing beyond the download.
Trajectory ships an update fortnightly, Blastwave every 6 months. The most recent releases landed on September 24, 2026 and October 8, 2026 respectively.
| Parameter | Trajectory | Blastwave |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly — better | Every 6 months |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.7.2 | 15.1 — better |
| Further details — not scored | ||
| Size | 36 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | Hideaki Uchikoshi | Piotr Sielicki |
In-app purchases
Trajectory
No in-app purchases
Blastwave
- Monthly subscription$3.991 Month
- Annual subscription$39.991 Year
Questions
Is Trajectory free?
Is Blastwave free?
Do Trajectory or Blastwave have ads?
Which is updated more often, Trajectory or Blastwave?
Other comparisons
