Comparison

BigONE vs DecaGram

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

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.

Highlights
  • 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)
Features
Read full description

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

BigONE4 screens
DecaGram4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

BigONE ships an update fortnightly, DecaGram every 10 days. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

Scorecard2 real differences · 8 level
BigONE versus DecaGram: the parameters behind the verdict, then further details
ParameterBigONEDecaGram
PriceFreeFree
Rating4.4 (112 ratings)5.0 (1 ratings) — better
Positive reviews75.0% of reviews—
Number of ratings112 — better1
Update frequencyFortnightlyEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size154 MB7 MB
Age rating17+4+
DeveloperBigONE Investment CorporationMark Ostroski

Customer experience

BigONE

All ratings112 ratings
Positive84.8%
Neutral1.8%
Negative13.4%
Written reviews72 reviews
Positive75.0%
Neutral1.4%
Negative23.6%

DecaGram

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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
Show 2 more
  • 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
Show 1 more
  • Enhanced customer support responsiveness

DecaGram

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

BigONE

No in-app purchases

None

DecaGram

No in-app purchases

Questions

Is BigONE free?
BigONE is free to download, with no in-app purchases.
Is DecaGram free?
DecaGram is free to download, with no in-app purchases.
Which has better reviews, BigONE or DecaGram?
DecaGram is rated higher. BigONE averages 4.4 out of 5 from 112 ratings, while DecaGram averages 5.0 from 1 ratings.
Do BigONE or DecaGram have ads?
Neither BigONE nor DecaGram shows ads.
Which is updated more often, BigONE or DecaGram?
BigONE ships an update fortnightly, and DecaGram every 10 days. Most recently, BigONE was updated on October 7, 2026 and DecaGram on October 1, 2026.

Other comparisons