Local-first: Crest works on this device with no login. Invited people can connect for sync and shared spaces. Sample data; every number is computed live.
1 · Welcome: tick the box, then Get started, or Restore from a backup file
2 · 7 setup steps: language and currency, accounts, expense and income categories, budgets, theme, optional PIN
3 · + Add an expense; Home, Budgets and Stats update
4 · Tap the chip next to Personal to see where your data lives
5 · More › Backup: save or restore a file (the sample files show the errors)
6 · More › Connect to Crest: any email and a 4+ character password, then upload or start fresh
7 · Lock Crest now: the PIN you chose in setup (wrong 3 times = a wait, never an erase)
8 · Gestures: swipe from the left edge to go back · drag a sheet down to close · swipe a transaction left to delete
You’re in a private window. Everything you enter will be erased when you close it.
Crest
Clarity starts here.
What gets measured gets managed.
Crest keeps track of your money on this device. No sign-up, no email.
Your data stays on this device.Crest can’t see it, and can’t get it back if it is lost. Save a backup file now and then.
{{ wMark }}I’m 18 or older and accept the Privacy Policy and Terms of Use
Get started
Restore from a backup file
I have access to sync
Crest
First, add Crest to your Home Screen
On iPhone, Safari can erase a website’s data after about a week, and the Home Screen app keeps its own data. Add Crest first, then open it from the icon.
Don’t start in this Safari tabWhat you enter here may be erased, and it won’t show up in the Home Screen app.
Show me how
Continue in Safari anyway
‹
Forgot your PIN?
Your PIN only exists on this device, so Crest can’t reset it. The way back in is to erase this device, then restore a backup file.
Without a backup file, the data on this device can’t be recovered.
Type ERASE to confirm
Erase this device
Then choose Restore from a backup file on the welcome screen.
‹
Crest
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Sync your data across devices, share spaces, and keep a copy on Crest’s server. For people who have been given access.Not you?
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Email
Password
Email or password is incorrect. Request access
Forgot password?
Log in
No access yet? Request access
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Effective {{ lgEff }} · Draft, English · Bahasa Indonesia version prevails
The short version
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‹Request access to sync and sharing
R
Hi, I'm Reizkian Y. RadityatamaYou don’t need this to use Crest. It already works on your device without signing up.You don’t need this to use Crest. It already works on your device without signing up.Thanks for your interest in Crest. It’s a small personal project that I build and maintain myself, so I keep access limited and review each request personally.If you’d like to join, tell me a little about yourself and how you came across Crest. It helps me understand who’s reaching out and what brought you here.I’ll get back to you either way.{{ rqIntroCta }}
Add Crest to your Home screenIt opens full screen like an app and can send reminders.
1 · Tap Share in Safari2 · Choose Add to Home Screen3 · Tap Add
On Android, tap Install when your browser offers it.
Continue
Handy shortcuts
Every gesture also has a button, so use whichever you like.
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Got it
Find this again in More › Gesture guide
What's in your net worth✕
Only changes your view. Other members don't see this.
{{ r.name }}{{ r.sub }}Waiting to sync
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Net worth{{ totSum }}
Switch space
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+ New shared space
✕{{ addTitle }}{{ spaceName }}
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{{ r.label }}{{ r.val }}{{ r.sub }}›
Note
Rate used1 {{ xrBase }} ={{ xrQuote }}
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{{ xrHint }}Use latest {{ xrLatestStr }}
Fee (optional){{ feeUnit }}
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This money is for{{ c.label }}
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‹{{ pickLabel }}›
MTWTFSS{{ d.d }}
Time{{ tLabel }}
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:
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Now
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Repeat↻ Every month
Done
{{ lpTitle }}Close
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No matches
Discard this entry?
The amount you typed won't be saved.
Keep editingDiscard
← Back{{ spaceName }}
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{{ paBal }}Edit
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SaveCancel
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+ ExpenseTransferPay bill
Is all of this yours?{{ paRealStr }}
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+ Part of this is held for something elseMoney you look after for family, housemates or an organisation. Crest keeps it apart, so you always know what's yours.
{{ g.label }}{{ g.total }}
Delete
{{ r.name }}{{ r.sub }}Waiting to sync
{{ r.amt }}
No transactions in this account yet
Open in Activity →
Archive accountHides it from lists and pickers. History stays; restore anytime from Financial accounts.
Some of the money in {{ hdAcctName }} belongs to someone else or to a purpose. Tell Crest how much, and it will keep it apart from your own money.
What is it for?
How much of it · IDR
{{ hdAvail }}
Who else uses it? · optional
Add
{{ m.email }}✕
The money stays in {{ hdAcctName }}. Crest tracks it as its own space: anyone you invite can add money and record spending, and your Personal space stays private.
The money stays in {{ hdAcctName }}. Crest shows it as held for others, so it isn’t counted as yours. To let others add money and record spending, connect to Crest and share it.
Keep it apart
Rp 3.000.000held in Ayu's BCA for the Bali trip
Ayu keeps this money apart from her own and tracks it in Crest. As a member you can:
· Add money you put in· Record what you spend from it· See the balance and every entry
Members
AyuOwner
BudiMember
YouInvited
Members only see this space. Your Personal money stays private.
Join Bali trip
Not now
Total {{ accTotal }} · tap one for details
{{ g.label }}{{ g.total }}
{{ a.name }}{{ a.sub }}
{{ a.amt }} ›
+ Add account
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{{ x.name }}{{ x.sub }} · history kept
Restore
Name
Type
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Currency
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Credit limit (optional)
Is all of this yours?
{{ c.label }}
Crest tracks that part as its own space.
Add account
Total {{ beTotal }} · alerts at 80%
{{ b.name }}{{ b.sub }}
Rp✕
Set limit
Save budgets
A shared space has its own fund, categories and budgets. Members see only this space, never your Personal one.
Space name
Invite by email
Add
{{ m.email }} · Member✕
You'll be the Owner. Members can add and edit their own entries.
Create space
{{ c.label }}
{{ c.name }}{{ c.sub }}
{{ c.caret }}
{{ u.label }}✕
Add
Remove category
Add
Tap a category to manage its subcategories. Categories in use can't be removed.
Crest adds these as upcoming entries each month.
{{ r.name }}{{ r.sub }}Waiting to sync
{{ r.amt }}
Nothing recurring in this space
+ New recurring
Money you set aside. It stays in your accounts; goals just track it.
{{ g.name }}{{ g.due }}
{{ g.val }}{{ g.pct }}
RpAdd
Goal reached
+ New goal
Goal name
Target amount · IDR
Already saved · optional
Target date · optional
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{{ gPlan }}
Already saved can't be more than the target.
Create goal
You set these. A cross-currency transfer updates the rate to the one you used, until you change it again.
1 unit in IDR
{{ x.code }}{{ x.sub }}
Range
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Spaces
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{{ exCount }}
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Download CSV
Main currency
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Theme
{{ c.label }}
Color
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Money sitting in your financial accounts that belongs to someone else or to a purpose. It isn’t counted in your net worth.
{{ x.name }}{{ x.sub }}
{{ x.amt }}
Total held{{ heldStr }}
To set money apart, open a financial account and choose “Part of this is held for something else”.
One file with everything: financial accounts, transactions, categories, budgets and settings. It isn’t encrypted, so keep it somewhere private.
Last saved
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Save backup file
Restore from a backup file
Log out to restore a file.
On a phone, saving opens the share sheet, so you can keep the file in Files, Drive or a chat with yourself. On a computer it downloads.
Shared spaces need a Crest login.
Run a household budget or a group trip with others. Shared spaces live on Crest’s server, so everyone sees the same numbers. Your Personal space stays on this device.
Connect to Crest
No access yet? Request access
This removes every financial account, transaction, budget and setting from this device. Crest has no copy, so this can’t be undone.
Save a backup file first if you want to keep your data.
Save backup file →
Type ERASE to confirm
Erase data on this device
This permanently removes your login, your Personal space and every transaction, budget and goal in it. You leave any shared spaces; spaces you own pass to the next member.
Export your data first if you want to keep a copy.
Export data →
Type DELETE to confirm
Delete my login & data
← Back{{ dSpace }}
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{{ dAmt }}
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{{ r.k }}{{ r.v }}
Upcoming: not in balances yet. It counts toward the budget of its own month.
Edit
Delete
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Add Crest to your Home Screen
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Data entered in Safari isn’t visible in the Home Screen app. If you already added data in Safari, save a backup file first, then restore it in the Home Screen app.