SOSglasses vs optaro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SOSglasses
This app helps you read small text without your glasses. It uses augmented reality to enhance text readability in low light and bright sunlight, and offers zoom and photo capture features.
- Augmented reality for low light reading
- Text enhancement in bright sunlight
- Smooth zoom up to 15x
- Photo capture for documentation
- Invert text mode
- Strain-free Sepia mode
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BEST READING GLASSES app for iPhones, starting from iPhone 4S to the latest iPhones X,XS,XR and XS Max. NO ADVERTS forced and all basic functions totally FREE. Also the ONLY APP (as far as we know) that ENHANCES text readability - not just magnifies it, supports READING AT CANDLELIGHT WITHOUT TORCH AND - unlocks all features at very bright sunlight - because we just love sunshine :) Forgotten your reading glasses again? SOSglasses comes to the rescue! Read menus, bills, maps or important labelling information without your reading glasses! With its best in class augmented reality mode (AR), it even lets you read in candle light - for example the menu at a romantic dinner - without using the all embarrassing torch. - Other features include: - Smooth Zoom up to factor 15 in high resolution (pinch) -FREE - AR mode to read without torch in dim lighting (slider) - Photo capture for documentation -FREE - Clean, easy to use interface (e.g. tap anywhere on screen to focus, pinch to zoom) -FREE - Invert text mode if you prefer - Shift main controls to left if you prefer (just tilt right instead of left into landscape mode)-FREE - Strain-free Sepia mode (may be more comfortable for some of our readers, for example with Visual Stress Syndrome) - AR mode reduces the noise, enhances the text and still feels natural to the eyes From iPhone 4S to the latest model. For all recent iOS versions. Share pictures, ideas or just make us smile by telling us you like it. Get in touch now: www.sosglasses.eu
optaro
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The optaro is the first combination app and camera/stand module for the iPhone that turns your smartphone into a digital reading aid that can assist you at home and on the move. The app allows you to operate the optaro camera and set all its functions individually according to your needs. Featured benefits include: - HIGH MAGNIFICATION RANGE: optaro provides you with variably adjustable, 3x to 15x magnification* – depending on iPhone model used. - OPTIMIZED IMAGE PROCESSING: Thanks to its exceptional imaging performance, optaro gives you a razor-sharp image at all times. - INTEGRATED LED ILLUMINATION: The optaro LED ensures perfect illumination and guarantees you a high-contrast image at all times. - CONTRAST-ENHANCING FALSE COLOR MODES: Choose between 14 different false color modes – from inverse color displays to individual color schemes – for a more comfortable reading experience. - OPTIONAL ORIENTATION GUIDES: You can also set a reading line or reading blinds for easier orientation when reading text. - TELL ME FUNCTION: Have a group of words read to you out loud. - PHOTO FUNCTION: Save important images with optaro’s photo function and store them on your iPhone. - LARGE FIELD OF VIEW: With a 41 mm field of view, optaro is perfect for your visual tasks at home and on the move. - INTUITIVE OPERATION: optaro is easy to learn and operate, with clearly recognizable on-screen icons. * the exact magnification depends on the size of the display of the smartphone used The optaro camera module is required to use the app.
Screenshots
Verdict
The clearest difference is in-app purchases: optaro at none against SOSglasses's 1. SOSglasses's advantage is iOS requirement (11.0 vs 16.0). On price, update cadence, ads 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. SOSglasses sells 1 one-off in-app purchase. optaro asks for nothing beyond the download.
SOSglasses ships an update every 2 months, optaro every 3 months. The most recent releases landed on June 11, 2026 and September 13, 2026 respectively.
| Parameter | SOSglasses | optaro |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 22 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | WPTRNPT LTD. | Eschenbach Optik GmbH |
In-app purchases
SOSglasses
- 4 -almost- Magical Features$0.99
optaro
No in-app purchases









