sgCallerID vs UV Analyzer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
sgCallerID
Identify unknown callers in real-time and block spam numbers with this app designed exclusively for Singapore iPhone users. It features a continuously updated database of over 60,000 landline numbers to help you avoid unwanted calls.
- Real-time caller identification
- Spam call blocking
- Extensive Singaporean landline database
- Privacy-focused design
- User reporting of spam calls
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Best caller ID Apps only for Singapore iPhone user. sgCallerID identifies the incoming caller's number and block the spam number. Its database include more than 60,000 landline numbers in Singapore. * Unknow callers: Identify unknow callers in real-time so you always know who is calling. * Call block: Identify and block spam call from robotcalls, market person and fraud calls. Its database is keep updating. * Privacy: Your privacy is our first priority. This apps use the interface provided by Apple. It will never collect your call history or store it. * Compatible: This App only compatible with iOS 13 devices, include iPhone 5s, 6, 6s, 7, 7p, SE. * If you find any spam calls, report it to us by in-Apps link. How to use it 1. After download App from App store, go to setting -> phone -> Call Blocking & Identification 2. Enable sgCaller - Tier 1/2/3/4 to allow this Apps provide Caller ID and block spam call.
UV Analyzer
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**Disclaimer: The app requires additional equipment and requires adequate use. Incorrect use does not entitle the user to make any claims against IST METZ GmbH & Co. KG. The UV Analyzer is an app-based UV measuring device. It consists of the UV Analyzer App, the UV Analyzer measuring strips and the UV Analyzer Stick. The UV Analyzer Stick and the UV Analyzer measuring strips are distributed by IST Metz GmbH & Co. KG. Measuring is quite easy. Put the strip on your substrate, irradiate it with UV and measure the strip with the stick. The app will show you the measured dose in mJ/cm². This dose value can be compared with your reference value. Reference values for the UV Analyzer are determined directly by you on site when the system is new. The measurements can be exported for quality assurance and documentation.
Screenshots
Verdict
The clearest difference is update cadence: UV Analyzer at every 2 months against sgCallerID's every 9 months. sgCallerID's advantage is iOS requirement (15.0 vs 18.6). 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.
sgCallerID ships an update every 9 months, UV Analyzer every 2 months. The most recent releases landed on October 11, 2026 and October 26, 2026 respectively.
| Parameter | sgCallerID | UV Analyzer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 9 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 9 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Jiang Nan Qing | IST METZ GmbH & Co.KG |
In-app purchases
sgCallerID
No in-app purchases
UV Analyzer
No in-app purchases
Questions
Is sgCallerID free?
Is UV Analyzer free?
Do sgCallerID or UV Analyzer have ads?
Which is updated more often, sgCallerID or UV Analyzer?
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