SUM+= Simple Expense Tracker vs Evie
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SUM+= Simple Expense Tracker
This finance app simplifies expense tracking with AI assistance, allowing for quick data entry and powerful analysis through large language models. It prioritizes user control and privacy with local data storage and a minimalist design.
- AI-assisted data entry
- LLM analysis and forecasting
- Minimalist and beautiful design
- Local data storage and privacy
- User-controlled database
- Subscription options with free trial
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There are hundreds of expense tracker apps and they all do more or less the same thing. But oddly enough, not a single one suited my needs, so I developed my own. Through small but targeted adjustments, I've developed the app to become my preferred solution: • Control stays with the user while data entry is greatly simplified: The time between "open app" and "entry saved" has been reduced to a minimum. AI can support this process so that in many cases you wouldn't even need to open the app • AI analysis through LLMs: Instead of developing custom analysis logic, the app prepares your data so it can be used directly in Large Language Models like ChatGPT or Claude: for analysis, forecasts and recommendations • Minimalist design: The app is designed to look beautiful and works without distracting extras • Full control & privacy: No login, no account. Data stays locally on your device. You have complete control over your own database. If you want to share your data with an AI, you decide that yourself Financial barriers shouldn't stand in the way of your personal financial planning with Sum. Contact us for individual solutions via the support form. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Evie
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Evie is a simple envelope budgeting app for iPhone that helps you manage your money paycheck by paycheck without the noise of bank syncing or overly complicated tools. Whether you're looking for a practical budgeting tool, a reliable budget tracker, or an easy way to improve your cash management, Evie keeps the focus on what matters. Create envelopes for the categories that matter to you, give each one a target, and see what is safe to spend right now. When payday hits, use Evie as your paycheck planner: log your income, fund the envelopes you want to prioritize, and keep the rest visible as cash on hand. As spending happens, record expenses, refunds, income, and transfers so every envelope stays honest. With a built-in expense tracker and envelope-based budget tracker, you always know where your money is going. Evie is built for a budgeting rhythm you can actually keep: • Set up your budget with sample envelopes, a custom starter setup, or a blank workspace • Track envelope balances and progress toward each target • Move money between envelopes when priorities change • Review spending patterns and envelope activity in Insights • Reconcile each budget cycle and decide what rolls forward or gets swept out • Turn on low-envelope warnings and a weekly review reminder • Export your transaction history when you need your records • Keep your budget local-first, with no bank linking required Evie is designed to stay focused: envelopes, paychecks, balances, and a lighter weekly review so you can keep your budget useful in real life. If you want a straightforward budgeting tool for cash management, a paycheck planner that helps you allocate income intentionally, or an expense tracker that supports envelope budgeting, Evie helps you stay organized without unnecessary complexity.
Screenshots
Verdict
The clearest difference is update cadence: SUM+= Simple Expense Tracker at every 3 days against Evie's every 3 weeks. Evie's advantage is iOS requirement (15.1 vs 26.2). On price, rating, ratings volume and ads 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. SUM+= Simple Expense Tracker sells 4 in-app purchases, starting at $3.99 per month and Evie sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for SUM+= Simple Expense Tracker against 5.0 for Evie. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
SUM+= Simple Expense Tracker ships an update every 3 days, Evie every 3 weeks. Both last shipped on October 25, 2026.
| Parameter | SUM+= Simple Expense Tracker | Evie |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 3 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 26.2 | 15.1 — better |
| Further details — not scored | ||
| Size | 28 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Jonas Zimmermann | Ian De Guzman |
In-app purchases
SUM+= Simple Expense Tracker
- SUM Pro1 Month trial$3.991 Month
- SUM Pro1 Month trial$22.991 Year
- 7-day TrialFree
- Sum Premium$6.99
Evie
- Evie Pro$3.99









