Indusenz Invenio vs Contacts Prefix Fixer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Indusenz Invenio
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The main focus of the Indusenz Invenio app is to support personell on-ground during installation of the sensors delivered by Indusenz in the Invenio Smart-Sensor Network for Corrosion Under Insulation (CUI) Monitoring system. The sites are typically, but not limited to, chemical and petrochemical processing plants.
Contacts Prefix Fixer
Easily edit the prefix number for your contacts. Add country codes or other prefixes to all your phone numbers in one go. This utility simplifies managing international or specific dialing formats for your contacts.
- Edit contact phone number prefixes
- Add country codes
- Batch prefix modification
- Easy to use interface
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This program is used for editing your prefix phone number in contact easily. For example: if your contacts contain a phone number 0902145545 you can easy to add +84 to prefix of phone number to get +84902145545.
Screenshots
Verdict
The clearest difference is update cadence: Indusenz Invenio at every 5 weeks against Contacts Prefix Fixer's every 14 months. Contacts Prefix Fixer'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 · 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.
Indusenz Invenio ships an update every 5 weeks, Contacts Prefix Fixer every 14 months. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.
| Parameter | Indusenz Invenio | Contacts Prefix Fixer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 weeks — better | Every 14 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 63 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Indusenz AS | Cuong Luu Hung |
In-app purchases
Indusenz Invenio
No in-app purchases
Contacts Prefix Fixer
No in-app purchases
Questions
Is Indusenz Invenio free?
Is Contacts Prefix Fixer free?
Do Indusenz Invenio or Contacts Prefix Fixer have ads?
Which is updated more often, Indusenz Invenio or Contacts Prefix Fixer?
Other comparisons
