Oleaf vs ScolioBuddy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Oleaf
Rent portable chargers by the hour to keep your devices powered up. The app helps you find nearby charging hubs, unlock a charger with a quick scan, and return it to any station. Never worry about a dead battery again.
- Rent portable chargers by the hour
- Three attached chargers (Lightning, USB-C, Micro USB)
- Find nearby charging hubs
- Scan to unlock chargers
- Return chargers to any station
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Unlock your charger and go about your daywithout the added stress of a dying device with HichargeOA. Our rent by the hour portable chargershave three attached chargers (lightning, USB-C& micro USB) . Download to find acharging hub near you, scan the code to unlockyours and take it wherever you like. When you are satisfied with your service, youcan return the charger to any of the chargingstations on the map in our app.Install today toget started!
ScolioBuddy
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ScolioBuddy helps you measure the degree of curvature of your spine due to scoliosis. There are two types of scoliosis. 1). Thoracic Scoliosis refers to a curve in between the shoulder blades. 2). Lumbar Scoliosis refers to a curve in the lowest part of your spine. Steps to Measuring the patient’s Scoliosis using the Scoliometer 1). Have the patient bend down and round their back as far as they can go 2). Gently lay the phone down flat on the patient’s upper back near their neck at a 90-degree angle 3). Make sure the phone isn’t at an inclined angle and that the patient’s spine is in the middle of the phone 4). Slowly drag the phone down from the top of the patient’s back to the maximum deformity of the patient’s upper back. This is the Thoracic curve of the patient’s back. Record this by pressing + and choosing Thoracic. 5). Slowly drag the phone down from the middle of the patient’s back to the maximum deformity of the patient’s lower back. This is the lumbar curve of the patient’s back. Record this by pressing + and choosing Lumbar. [This App is not medical or treatment advice, professional diagnosis, opinion, or services – and may not be treated as such by the user. We strongly recommend that you consult your own physician or another available health professional regarding any diagnosis, findings or interpretation.] van West, H.M., Herfkens, J., Rutges, J.P.H.J. et al. The smartphone as a tool to screen for scoliosis, applicable by everyone. Eur Spine J 31, 990–995 (2022). https://doi.org/10.1007/s00586-021-06860-x
Screenshots
Verdict
The clearest difference is update cadence: Oleaf at every 2 weeks against ScolioBuddy's every 14 months. 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. Neither carries in-app purchases, so what you see is what you pay.
Oleaf ships an update every 2 weeks, ScolioBuddy every 14 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.
| Parameter | Oleaf | ScolioBuddy |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks — better | Every 14 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 41 MB | 29 MB |
| Age rating | 4+ | 17+ |
| Developer | Shenzhen Oleaf Technology Co., Ltd. | Prinya Tieanworn |
In-app purchases
Oleaf
No in-app purchases
ScolioBuddy
No in-app purchases









