PetaNetra vs NUS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PetaNetra
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PetaNetra is an application that uses Augmented Reality (AR) technology to help blind people navigate independently in indoor public spaces to be more comfortable and independent. This application supports the use of VoiceOver to help convey information to the blind. PetaNetra can detect your location and will guide you to the destination you choose. In using the application itself, there are 4 types of markers that will be found: 1. Place This marker functions to indicate the place that will be the user's destination or show the user's standing position. Some examples included in place markers are gates, toilets, counters, etc. 2. Warning This marker functions to inform users that they need to be more careful when walking. An example is a warning about differences in floor height. 3. Obstacles This marker functions to inform users that there are obstacles that users need to avoid when walking. Some objects that are obstacles are holes, poles, railings, etc. 4. Action This marker functions to instruct users to take a certain action according to instructions. Examples of instructions that will be found in the application are “push the door”, “raise your hand to check your body temperature”, etc.
NUS
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Meet NUS Maps — a fast, campus-first map built for getting around National University of Singapore. Whether you’re running to class, finding a canteen, or timing your shuttle, NUS Maps does the stuff you actually care about. Get around NUS fast: a clean campus map with quick place details and one-tap navigation. Live shuttle info: nearby stops, arrival times, and crowd levels (when available). Find essentials easily: search or browse Canteens, Printers, and Sports, and save favourites like Prince George’s Park. Download today!
Screenshots
Verdict
PetaNetra and NUS are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | PetaNetra | NUS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 13 MB | 71 MB |
| Age rating | 12+ | 4+ |
| Developer | Jessi Febria | Zehua Zhang |
In-app purchases
PetaNetra
No in-app purchases
NUS
No in-app purchases








