Downtime Terminator vs Spares Scaling
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Downtime Terminator
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Have the tools to manage your fleet in the palm of your hands with Downtime Terminator. Become Proactive instead of Reactive as the needs of your fleet are easily captured between driver, mechanic, fleet manager, and owners. Keep your fleet of vehicles and equipment out working increasing uptime!
Spares Scaling
This app simulates fleet availability using Monte Carlo methods. It calculates service levels based on the number of fleet assets, component reliability, repair times, and spare parts inventory.
- Monte Carlo Simulation
- Fleet Availability Calculation
- Spare Parts Inventory Management
- Component Reliability Analysis
- Repair Time (TAT) Input
- Scenario-Based Analysis
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The application calculates, by Monte Carlo Simulation, the fleet availability (Service Level - SL) achieved by operating a number of fleet assets under specified scenarios. Each scenario examines a single repairable component/unit of the asset for which a specified number of spares (rotables) are kept in stock. Inputs required are the number of fleet assets, the annual rate of fleet operational usage (e.g. 2000 hours per year), the number of installed components per asset, the number of spare components kept, the reliability of the component and finally its time Turn Around Time (TAT). This is the time needed to repair the failed component/unit and return it as serviceable back in the warehouse.
Screenshots
Verdict
The clearest difference is price: Downtime Terminator at Free against Spares Scaling's $4.99. Spares Scaling's advantage is update cadence (every 9 days vs every 3 weeks) and device support (4 vs 2). On ads and in-app purchases 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
Downtime Terminator is free to download; Spares Scaling costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Downtime Terminator ships an update every 3 weeks, Spares Scaling every 9 days. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.
| Parameter | Downtime Terminator | Spares Scaling |
|---|---|---|
| Price | Free — better | $4.99 |
| Positive reviews | — | 0.0% of reviews |
| Update frequency | Every 3 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 17.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 39 MB | 2 MB |
| Age rating | 12+ | 4+ |
| Developer | Revitalization Autos | Konstantinos Ladiellis |
In-app purchases
Downtime Terminator
No in-app purchases
Spares Scaling
No in-app purchases
Questions
Is Downtime Terminator free?
Is Spares Scaling free?
Do Downtime Terminator or Spares Scaling have ads?
Which is updated more often, Downtime Terminator or Spares Scaling?
Other comparisons
