IDT Data Logger vs CertMate
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IDT Data Logger
Manually record data points using user-defined labels and NFC tags. Capture tag information like number and description alongside your collected data. Share your recorded information across devices via AirDrop.
- Manual data recording
- User-defined labels
- NFC tag integration
- Capture tag number and description
- Data sharing via AirDrop
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This application lets you manually record data points under a series of labels. Labels are user-defined series of numbers or physical locations identified by NFC tags. If NFC tags are used, this application enables the reading of the tag content, for instance tag number and description, and record this information against the data points you collect. Recorded data can be uploaded in AirDrop or shared across devices.
CertMate
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CertMate provides tailored Digital Vehicle Hygiene Management so you can easily create, access, renew & share your certs. With the help of CertMate users can easily track clean or unclean vehicles before they enter a property.
Screenshots
Verdict
The clearest difference is update cadence: CertMate at weekly against IDT Data Logger's every 11 months. IDT Data Logger's advantage is iOS requirement (12.0 vs 17.0). 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. Neither carries in-app purchases, so what you see is what you pay.
IDT Data Logger ships an update every 11 months, CertMate weekly. The most recent releases landed on September 24, 2026 and October 14, 2026 respectively.
| Parameter | IDT Data Logger | CertMate |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 11 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 8 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Instruments & Data Tools Pty Ltd | Aevi Tech Pty Ltd |
In-app purchases
IDT Data Logger
No in-app purchases
CertMate
No in-app purchases
Questions
Is IDT Data Logger free?
Is CertMate free?
Do IDT Data Logger or CertMate have ads?
Which is updated more often, IDT Data Logger or CertMate?
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