Digi vs MeterRead
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Digi
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Your 20250-65 particle counter is Bluetooth-enabled, allowing for wireless communication with iOS devices using the free Digi-Sense Connect - Particle app. This app turns your device into a real-time data monitoring system that allows you to review, evaluate, modify and transfer the data collected to email or text. It also allows you to keep a safe distance from potentially hazardous parameters or leave the measuring instrument in place over time and wirelessly collect data at your convenience. Once on your device, the data can be forwarded to others via email or text message and saved for future reference or analysis. Wireless setup is simple. Download the free Digi-Sense Connect - Particle app to your iOS device. Enable Bluetooth on your instrument and open the app on your device. The instrument will be detected by your device and listed as an available source that you can select. Once selected, the data detected by the instrument will be displayed on your device and some of the instrument functions can be accessed. A full description of its operation is available for download in the app.
MeterRead
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The MeterRead app will draw a simple graph of the sampled data βliveβ on the device. This stored data can then be exported using any preferred communication app. The exported data will include the graph and measured vales in a table. In addition, simple screenshots of the display can be saved and shared.
Screenshots
Verdict
The clearest difference is update cadence: MeterRead at monthly against Digi's every 4 months. Digi's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Digi ships an update every 4 months, MeterRead monthly. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.
| Parameter | Digi | MeterRead |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Monthly β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 β better | 15.6 |
| Further details β not scored | ||
| Size | 24 MB | 76 MB |
| Age rating | 4+ | 4+ |
| Developer | Cole-Parmer Instrument Company | Triplett |
In-app purchases
Digi
No in-app purchases
MeterRead
No in-app purchases









