Calorie Intake Tracker vs Soln
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calorie Intake Tracker
This app offers a streamlined way to log calorie intake and expenditure for experienced users. It focuses on direct input of calorie data and provides tools for tracking weight changes and daily calorie balance.
- Raw calorie input
- Calorie burn logging
- Daily calorie balance calculation
- Weight logging
- Weight trend visualization
- Streamlined interface
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Raw Calorie Tracking for Experienced Users Calorie tracking application designed for users who are proficient in calorie counting and prefer direct input of calorie data. Features: Raw calorie input: Enter total calories consumed Calorie burn logging: Input custom burn amounts or select daily activity levels Daily calorie balance calculation Weight logging functionality Data visualization: View weight trends App Functionality: Fitpo allows users to bypass food searches and portion calculations. Users can input their independently calculated calorie totals directly. The app provides a platform for efficient logging and tracking of calorie intake, expenditure, and weight changes. Fitpo is optimized for users who prioritize speed and simplicity in their calorie and weight tracking process. It provides a streamlined interface for logging and analyzing calorie balance and weight data. privacy policy: https://mrjohn10.github.io/fitpo/privacy-policy terms of service: https://mrjohn10.github.io/fitpo/terms-of-service
Soln
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Soln is a sleep engine built on cognitive load theory. Different from other sleep apps Most sleep apps are just players — they start audio and leave you to it. Soln calculates how hard it will be to fall asleep tonight, decides which layer to start at and how long to stay there, then stops when you're out. You don't have to manage anything. Five audio layers · Silent preparation — nothing playing, just space for your mind to settle · Minimal white noise — a steady background to mask outside noise · Heart rate-synced white noise — audio tempo follows your heart rate; as it slows, so does the sound · Tonal fade — frequency gradually drops, sliding your brain from alert to relaxed · Semantic drift — soft, loosely connected speech that gives your mind something to dissolve into instead of looping the same thought (paid) How long you spend on each layer isn't fixed — it depends on how you're doing tonight. Apple Watch auto-stop When you fall asleep, Apple Watch detects it. Soln fades the audio out over two seconds, then stops. No timer to set. No sudden silence to wake you (paid). Nightly assessment Before bed, based on today's mood and last night's sleep, Soln estimates how hard it'll be to fall asleep and gives you an optimal bedtime window and expected sleep onset time. In the morning, three scores: reaction, memory, and mood. Sleep well, score well. Sleep poorly, score reflects that. Straightforward. Full sleep history A three-color ring for each night. Long-press any day for that night's detail and sleep-onset timeline. One-time purchase Free for 7 days, full features included. After that, a one-time purchase permanently unlocks everything. Tied to your Apple ID — restore on any new device. No ongoing charges.
Screenshots
Verdict
The clearest difference is update cadence: Calorie Intake Tracker at every 10 days against Soln's every 3 weeks. On price, ads, in-app purchases and device support 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. Calorie Intake Tracker sells 5 in-app purchases, starting at $1.99 per 7 days and Soln sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Calorie Intake Tracker ships an update every 10 days, Soln every 3 weeks. The most recent releases landed on September 29, 2026 and October 13, 2026 respectively.
| Parameter | Calorie Intake Tracker | Soln |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 10 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, Apple Watch — better |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 67 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Jan Augustyniak | Nan Yu |
In-app purchases
Calorie Intake Tracker
- Pro$1.997 Days
- Pro$3.991 Month
- Pro$9.991 Year
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- Pro$19.991 Year
- Pro$29.99
Soln
- Unlock Soln$5.99









