CSI Pro vs zero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CSI Pro
This app allows users to program and adjust ignition advance curves for classic British cars. It offers two programmable modes with customizable RPM and vacuum curves, along with settings for RPM limiters and vacuum advance activation.
- Programmable advance curves
- Adjustable RPM and vacuum settings
- RPM limiter
- Maximum total advance setting
- Minimum RPM for vacuum advance
Read full descriptionHide full description
The CSI Pro Ignition is a programmable distributor for your (British) Classic Car, you can adjust and program the advance curves yourself. Two presets (modes) can be programmed, each with its own RPM and vacuum curve plus various other settings such as a RPM limiter, maximum total advance and and minimum rpm speed for activating the vacuum advance
zero
Control your burglar alarm remotely via SMS commands. This application simplifies sending instructions to your alarm system without manual text input.
- Remote alarm control
- SMS command sending
- Multiple location support
- Simplified interface
- No manual text typing
Read full descriptionHide full description
This program is designed to control the burglar alarm in zero locations and the way it works is that it will send the desired commands to the burglar through SMS and you don't need to type the text of the SMS and send it to the burglar.
Screenshots
Verdict
The clearest difference is rating: CSI Pro at 5.0 against zero's 4.3. CSI Pro also leads on ads (none vs shown) and monetization model (free vs ad-supported). zero's advantage is update cadence (every 2 months vs every 12 months) and chart position (#205 vs unranked). 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.
CSI Pro holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 1 and 4 respectively.
CSI Pro ships an update every 12 months, zero every 2 months. The most recent releases landed on October 20, 2026 and October 30, 2026 respectively.
| Parameter | CSI Pro | zero |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.3 (4 ratings) |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 12 months | Every 2 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Best chart rank | — | #205 — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 9 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Gernand van Ee | Mohammad Alipour Behzadi |
In-app purchases
CSI Pro
No in-app purchases
zero
No in-app purchases
