Sleep Calculator vs Overload
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sleep Calculator
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Your Brain Needs Good Sleep to Stay Healthy Not getting enough quality sleep can really hurt your body and mind: - Forgetfulness: Poor sleep messes with your memory and makes it harder to remember things. - Brain Buildup: When you don’t get deep sleep, harmful stuff can build up in your brain, which is linked to diseases like Alzheimer’s. - Mood Swings: Lack of sleep makes anxiety and depression worse, and faster. - Faster Aging: Even one bad night can make your body age quicker at the cellular level. - Weight & Blood Sugar Problems: Bad sleep confuses your body, making it harder to manage weight and blood sugar. The science is clear Your body requires complete 90-minute sleep cycles. Here's why that matters for your health: - Sharper Brain: Each full cycle helps your brain process memories, boost focus, and clear out mental fog. - Deeper Recovery: You only hit the most healing stages of sleep (like deep and REM) when you complete the full cycle. - Balanced Hormones: Full sleep cycles help regulate key hormones like cortisol, insulin, and melatonin, keeping your mood, metabolism, and energy in check. - Stronger Immunity: Completing cycles gives your immune system the time it needs to repair, recharge, and fight off illness. This App Fixes What You're Doing Wrong We Do the Math for Perfect Sleep You Have Two Choices: 1. Continue bad sleep patterns and suffering the consequences 2. Let science optimize your sleep starting tonight The difference between these choices determines whether you'll be sharp and healthy at 50... or forgetful, overweight, and chronically exhausted. Download Now Before Another Night Damages Your Brain Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sites.google.com/view/sleep-calculator-wake-up/privacy-policy
Overload
This app helps you track your strength training progress by focusing on progressive overload. Log your weight at failure for each exercise and aim to beat it in subsequent sessions. Visualize your progress with charts and historical data.
- Track any exercise
- Log set 1 failure weight
- View progress over time
- All-time PRs
- Session history
- Trend charts
- Apple Watch integration
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Overload is the no-nonsense workout tracker built around one idea: progressive overload. Track the weight at which you hit failure on your first set of each exercise. Come back next session and beat it. No complicated programs. No fluff. Just you, the bar, and the number you need to beat. FEATURES · Track any exercise with a clean, fast logging flow · See your set 1 failure weight progress over time · All-time PRs, session history, and trend charts · lbs or kg — switch anytime · Works with Apple Watch
Screenshots
Verdict
The clearest difference is update cadence: Sleep Calculator at weekly against Overload's every 6 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. Sleep Calculator sells 1 one-off in-app purchase and Overload sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Sleep Calculator ships an update weekly, Overload every 6 weeks. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.
| Parameter | Sleep Calculator | Overload |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Weekly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Tharindu Prabath | PETER ANTHONY SCHUSTER |
In-app purchases
Sleep Calculator
- Sleep Calculator Premium$2.99
Overload
- Small Tip$0.99
- Medium Tip$2.99
- Large Tip$4.99
Questions
Is Sleep Calculator free?
Is Overload free?
Do Sleep Calculator or Overload have ads?
Which is updated more often, Sleep Calculator or Overload?
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