Hall Aircon vs PowerOn SG
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hall Aircon
Manage your air conditioner usage in NTU residential halls. Control room temperature, track your e-wallet balance, and top up credits instantly using various payment methods.
- Control room air-conditioner
- Adjust room temperature
- Track e-wallet balance
- Top up e-wallet credits
- Payment via VISA, MasterCard, PayNow
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Hall Aircon is a mobile application for students at Nanyang Technological University (NTU), Singapore, to manage their usage of the air-conditioners in the University’s residential hall rooms. Residents can control their room air-conditioner, adjust the room temperature, and track and top up their e-wallet by using the app. They can instantly top up their e-wallet credits anytime, anywhere with VISA, MasterCard or PayNow.
PowerOn SG
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Get your power bank now and start to enjoy your day with PowerOn! Charge your device on the go with our shared power banks.
Screenshots
Verdict
Hall Aircon and PowerOn SG are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.
Hall Aircon ships an update fortnightly, PowerOn SG every 3 weeks. The most recent releases landed on September 20, 2026 and September 18, 2026 respectively.
| Parameter | Hall Aircon | PowerOn SG |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (9 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 37 MB | 78 MB |
| Age rating | 4+ | 4+ |
| Developer | Daikin Airconditioning (Singapore) Pte Ltd | SINGAPORE POWERON TECHNOLOGY PTE LTD |
In-app purchases
Hall Aircon
No in-app purchases
PowerOn SG
No in-app purchases
