BigONE vs DecaGram
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BigONE
Access real-time cryptocurrency market data and advanced financial visualization tools. Analyze market trends with live quotes, price charts, and expert trading ideas for a wide range of digital assets.
- Digital currency market information hub
- Live crypto quotes and price charts
- Technical analysis tools
- Real-time market data
- Professional market maps
- 24/7 multilingual customer service
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BigONE is a global digital currency market information hub. Our core team comes from Yunbi.com. It has 5 years of experience in digital currency market information management, and has extensive experience in mining high-quality digital assets. BigONE is an advanced financial visualization platform with live quotes, crypto price charts and expert trading ideas. We provide a variety of technical analysis tools, which can help users uses digital currencies and analyze the trend of the encrypted market in real time. Use our BigONE app to get bitcoin or cryptocurrency market information. You can check Bitcoin (BTC), Ethereum (ETH), Litecoin (LTC), Ripple (XRP), EOS, Bitcoin Cash, Tron (TRX)) and all other altcoins. We will periodically evaluate the coins and items to be included in our exchange! Features of BigONE: 1. Support various cryptocurrency market views 2. Real-time market 3. Professional market map 4. 24/7 multilingual customer service For more information about BigONE, please visit big.one or b1.run. Contact us: Twitter: https://twitter.com/BigONEexchange Facebook: https://www.facebook.com/exBigONE/ Telegram: https://t.me/B1_EN Reddit: https://www.reddit.com/user/BigONEExchange
DecaGram
Track the live value of your 24K gold jewelry collection. Monitor individual pieces and your total holdings against real-time market prices. Earn gold dividends and access digital certificates of authenticity for your verified pieces.
- Live 24K gold pricing
- Track individual jewelry piece value
- Monitor total collection value over time
- Earn real gold dividends
- Digital certificate of authenticity
- Price alerts (coming soon)
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Hold your gold in your hand — and watch its value live. DecaGram is the companion app for owners of Deca Annuli 24K gold jewelry. Every piece is solid 999 fine gold, priced live to the gram, so you always know exactly what your collection is worth. LIVE 24K PRICING Watch the spot price of gold update minute by minute, and see the live value of every piece you own move with the market — the way you'd track a stock. YOUR HOLDINGS, TRACKED Log each piece and see its current value, your total weight, and your collection's value over time — from one month to one year. EARN REAL GOLD — THE TEN RINGS Every verified Deca Annuli piece moves you up the Ten Rings and earns real 24K gold dividends — gold set aside in your name to put toward your next piece. CERTIFICATE OF AUTHENTICITY Every piece carries a digital certificate of authenticity — its purity, weight, and a scannable link anyone can use to confirm it's a genuine Deca Annuli piece. PRICE ALERTS Get notified the moment gold hits a price you're watching. (Coming soon on iOS.) DecaGram turns your jewelry into something you can track, treasure, and pass down — the living record of your gold.
Screenshots
Verdict
The clearest difference is rating: DecaGram at 5.0 against BigONE's 4.4. BigONE's advantage is ratings volume (112 vs 1). 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.
DecaGram holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: BigONE has 112 ratings behind it against 1, so its average is the more settled of the two.
BigONE ships an update fortnightly, DecaGram every 10 days. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.
| Parameter | BigONE | DecaGram |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (112 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 112 — better | 1 |
| Update frequency | Fortnightly | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 154 MB | 7 MB |
| Age rating | 17+ | 4+ |
| Developer | BigONE Investment Corporation | Mark Ostroski |
Customer experience
BigONE
DecaGram
Bugs and requests
BigONE
Reported bugs
7 issues- Video verification not working properly
- Confirmation codes not arriving on phone
- Incomplete cryptocurrency deposits
- Unable to transfer coins off platform
- Account login and access issues
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- Document upload failures during verification
- Withdrawal processing delays and blocks
Requested features
6 requests- Improved UI/UX design and usability
- Better English documentation and clearer instructions
- Lower trading fees and taker fees
- Smoother image verification process
- More beginner-friendly interface options
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- Enhanced customer support responsiveness
DecaGram
Not enough reviews yet to summarise bugs or requests.
In-app purchases
BigONE
No in-app purchases
DecaGram
No in-app purchases









