Echo vs Flipping
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Echo
This communication aid uses auditory scanning for individuals with visual and physical impairments. It offers sound cues and distinct voices for navigation and expression, accessible via switches, gestures, or arrow keys.
- Auditory scanning communication method
- Sound cues for navigation
- Separate voices for cues and speech
- External switch access
- Swipe gesture control
- Arrow key navigation
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Echo is an AAC app designed for those with a visual difficulty and physical difficulty to access communication. Echo is based around the concept of auditory scanning. Auditory scanning is a communication method using sound cues or auditory feedback rather than visual cues. This method is especially valuable for those with a visual impairment who cant access visual based AAC. Echo provides you with two different voices, one for your auditory cues and the another to represent your voice. You can access Echo using the following methods. - Any external switch (or combination of switches) - Swipe Gestures - Arrow Keys We have plans to extend this in the future to allow for more access methods.
Flipping
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Flipping is an accessible picture-puzzle game designed for visual assessment and visual training, with a special focus on children and adults who have low vision, cerebral or cortical visual impairment (CVI), or other special educational needs. A picture is divided into a grid and one or more cells are flipped upside-down or mirrored. The player spots the "wrong" cell and taps it to flip it back, rebuilding the whole image. When every cell is restored, a fun animation celebrates the success. The game is built around three principles that make it useful both as a visual-skills workout and as an assessment tool: • LARGE, HIGH-CONTRAST IMAGES — Every picture fills the screen. Bold colours, clean outlines and clearly recognisable subjects (animals, vehicles, flowers, shapes and patterns) give low-vision users something obvious to look at and react to. There are no distracting backgrounds. • GRADED DIFFICULTY — Three levels let you match the task to the learner's current ability: – Level 1: a 2×2 grid with a single flipped cell (easiest). – Level 2: a 3×3 grid with two flipped cells. – Level 3: a 4×4 grid with three flipped cells. The simple progression makes Flipping useful for tracking visual discrimination skills over time. • FULL ACCESSIBILITY OPTIONS — Use touch, a single switch (auto-scan), or two switches. Turn sound on or off, adjust the volume, add a settle-time delay between puzzles so the learner can take in each completed picture, and set the auto-scan speed to suit the user. Nine activity categories are built in: Animals, Mix, Transport, Animals Full, Mix Full, Transport Full, Pattern, Colour and Shape. Each category has its own set of reward animations to celebrate success. Flipping also supports using your OWN pictures — tap the camera button to load family photos or any image from the device, so the activity can be personal and motivating. This makes it easy for teachers, therapists and parents to create material tailored to a specific learner. Flipping is landscape-only on both iPhone and iPad, so the picture fills the whole screen for maximum visual impact.
Screenshots
Verdict
Echo and Flipping are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | Echo | Flipping |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Ace Centre | Sensory App House Ltd |
In-app purchases
Echo
No in-app purchases
Flipping
No in-app purchases









