Reward Check vs CentZero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Reward Check
This app helps you maximize credit card rewards by tracking rotating bonus categories for groceries, gas, and more. It offers templates for popular US cards, custom card creation, and a rewards calculator. Enjoy automatic data syncing and a dark mode option.
- Track rotating bonus categories
- Templates for popular US cards
- Create custom cards and categories
- Rewards calculator
- iCloud data sync
- Dark mode support
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Many credit cards offer higher reward rates on rotating categories such as groceries, gasoline, movies, etc. Having multiple cards with varying rewards programs can pay big if you can remember the categories each month. This application eliminates the hassle of remembering all those categories and helps you realize your full reward potential! *IMPORTANT* To get updated card information you MUST DELETE your current card and re-add them from the template list otherwise your card reward information will not be updated!! Highlights • Templates for popular US cards • View current rewards by card or by category • Create custom cards and reward categories • Simple calculator and extra tools to compute rewards • iPod compatible, no network access required • Does NOT require any private information • Dark mode supported • Automatically syncs data across devices using iCloud Effort has been put forth to make sure the cards templates are up to date but ultimately it is up to the user to verify their own reward programs with their credit card companies.
CentZero
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Stop paying credit card annual fees you don't have to. CentZero tracks your credit cards, alerts you before annual fees are charged, and walks you through the exact steps to get them waived — phone IVR paths, in-app routes, and chat shortcuts for each bank. Designed for cardholders in Hong Kong and Taiwan, supporting 21 major banks and 170+ card products with verified fee data. SUPPORTED BANKS • Hong Kong: HSBC, Standard Chartered, Citibank, Hang Seng, Bank of China, BEA, Amex, DBS, CCB Asia, BOCOM, ICBC Asia, CITIC • Taiwan: CTBC, Cathay United, E.SUN, Taishin, Fubon, Mega, First Bank, Hua Nan, HSBC Taiwan FEATURES • Track all your cards — fee amounts, charge dates, waiver status • Push notifications 14 days before any fee is due • Step-by-step waiver instructions for every supported bank • One-tap call or deep-link into your bank's app • Scan your card to auto-detect bank and card type (on-device OCR, nothing uploaded) • Track loyalty points and miles with expiry alerts — Asia Miles, Avios, yuu, and 20+ programs 100% FREE No paywalls, no subscriptions, no hidden fees. Your annual fee savings are yours to keep. PRIVACY FIRST CentZero never stores card numbers or sensitive financial data. Card scanning is processed entirely on your device. Terms of Use: https://walkprints.github.io/CentZero/terms.html Privacy Policy: https://walkprints.github.io/CentZero/privacy.html
Screenshots
Verdict
The clearest difference is in-app purchases: CentZero at none against Reward Check's 4. CentZero also leads on ads (none vs shown). Reward Check's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.0). On price 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. Reward Check sells 4 one-off in-app purchases. CentZero asks for nothing beyond the download.
| Parameter | Reward Check | CentZero |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (46 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 46 — better | — |
| Update frequency | Monthly | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 7 MB | 82 MB |
| Age rating | 4+ | 4+ |
| Developer | ChuChu Train Productions | Chris Tang |
In-app purchases
Reward Check
- Unlimited Card Entries$0.99
- Unlock Tools$0.99
- Remove Ads$1.99
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- All Features$2.99
CentZero
No in-app purchases









