csl. vs Singtel Prepaid hi!App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
csl.
Manage your mobile service plan, monitor data and voice usage, and check your account balance. Access exclusive offers, coupons, and limited-period deals. Browse the latest mobile models and service plans with special pricing.
- Monitor data and voice usage
- Manage roaming balance
- Check account balance and billing history
- Automatic credit card payment setup
- Access coupons and limited-period offers
- Browse latest mobile models and plans
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The new csl app enables users to manage a mobile service plan and account, activate 5G roaming, enjoy 86-easy convenience and access limited-period offers. Explore and manage your mobile service: · Monitor and manage data and voice-calling usage, as well as roaming balance · Check your account balance, billing history and settlement, and establish automatic credit card payment · Manage data usage for secondary SIMs and sharing of data-roaming pass entitlement csl customer offers and rewards · Get coupons and limited-period offers via the “My Wallet & Rewards” feature Browse the latest mobile models, service plans and roaming options: · Enjoy exclusive pricing privileges when making a standalone handset purchase · Obtain data top-ups, data-roaming day passes and other value-added services Please note: Selected functions and information are exclusive to csl customers using a login account.
Singtel Prepaid hi!App
Manage all your prepaid mobile services conveniently. Track usage, top up plans, and discover exclusive deals and rewards without using your data.
- SIM/eSIM registration and activation
- Balance, usage, and validity tracking
- Plan top-ups and purchases
- Roaming plan activation
- Auto top-up sign-up
- Exclusive offer redemption
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hi!App is the one-stop app for all your Singtel Prepaid needs with no data charges. Get the best deals and redeem rewards at your fingertips! Use hi!App to: - Register and activate your SIM or eSIM - Track your balance, usage and validity - Top up or buy Ultimate/Data/IDD/Roaming Plans - Activate your roaming plan - Sign up for auto top-up Monthly Plans - Check your inbox for exclusive hi!Surprise offers. Available in English, Mandarin, Bahasa Indonesia and Tamil language.
Screenshots
Verdict
The clearest difference is rating: Singtel Prepaid hi!App at 4.2 against csl.'s 1.5. Singtel Prepaid hi!App also leads on review sentiment (23% vs 8%) and ratings volume (280 vs 26). On price, update cadence, ads and in-app purchases 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.
Singtel Prepaid hi!App holds the better App Store score, 4.2 against 1.5. That said, the two scores are not equally well evidenced: Singtel Prepaid hi!App has 280 ratings behind it against 26, so its average is the more settled of the two. Written reviews point the same way: 8% of csl.'s written reviews are positive against 23% of Singtel Prepaid hi!App's.
csl. ships an update every 3 weeks, Singtel Prepaid hi!App monthly. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | csl. | Singtel Prepaid hi!App |
|---|---|---|
| Price | Free | Free |
| Rating | 1.5 (26 ratings) | 4.2 (280 ratings) — better |
| Positive reviews | 8.3% of reviews | 23.2% of reviews — better |
| Number of ratings | 26 | 280 — better |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 13.4 |
| Further details — not scored | ||
| Size | 178 MB | 76 MB |
| Age rating | 4+ | 4+ |
| Developer | CSL Mobile Limited | Singtel Idea Factory Pte Ltd |
Customer experience
csl.
Singtel Prepaid hi!App
Bugs and requests
csl.
Not enough reviews yet to summarise bugs or requests.
Singtel Prepaid hi!App
Reported bugs
17 issues- Keyboard freezes and becomes non-functional during eSIM registration
- App crashes when attempting to activate or register eSIM
- Passport photo scanning button doesn't launch camera
- App locks on capital letters during data entry
- Location detection fails - incorrectly reports user not in Singapore
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- OTP input field becomes inaccessible after checking SMS
- App crashes on iOS 15 and higher versions
- Empty page loads on app startup (version 3.7.1)
- Camera permission requirement locks out registration process
- Verification code entry causes app to lock up
- Rewards tab constantly fails with 1-hour retry messages
- Phone number input doesn't accept +65 prefix despite requirement
- App logs out when user checks SMS for OTP code
- Data copy-paste functionality disabled
- Registration option missing from app menu
- Payment processing freezes and doesn't reflect account updates
- Facial recognition fails to match passport photo
Requested features
10 requests- Apple Pay payment option
- Biometric login (fingerprint/face recognition)
- Transaction history and detailed account statements
- Multi-item purchase capability
- Better location detection (GPS-based)
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- SIM expiry extension option
- Offline top-up capability
- Dark mode
- Better error messages and troubleshooting guides
- Improved rewards system
In-app purchases
csl.
No in-app purchases
Singtel Prepaid hi!App
No in-app purchases
